During 1970 – 1985:

I.   Extension publications: Popular articles, bulletins, newsletters.

1.   Goyal, M.R., 1970.  Agricultural engineering and extension services. Third student paper award by Student Society of Agricultural Engineers  (India) at Ludhiana, July 22, 1970.  Pages 25.

2.   Goyal, M.R., 1974.  Prepare the tractor when not in use (Hindi). Farm People, Jodhpur (India).1(9): 22.

3.   Sharma, D.N. and M.R. Goyal, 1974.  Importance of farm tools in cotton cultivation (Hindi).  Haryana Farming, Hisar (India), 6 (8): 9-10.

4.   Sharma, D.N., M.R. Goyal and K.K. Dua, 1974.  Service and maintenance of tractor clutch and brake (Hindi).  Farm People, Jodhpur (India), 1(9):13, 23.

5.   Goyal, M.R. and K.K. Dua, 1974. Plant protection equipments.  Haryana Farming, Hisar (India), 3(11):9.

6.   Goyal, M.R. and K.K. Dua, 1974.  Hitching tractor operated equipments. Haryana Farming, Hisar (India). 3 (1): 12-13.

7.   Goyal, M.R. and R.S.R. Gupta, 1974.  Swaraj tractor:  service and  maintenance, Part I (Hindi).  Haryana Farming, Hisar (India).  6 (11): 9-10.

8.   Goyal, M.R. and R.S.R. Gupta, 1974.  Swaraj tractor:  service and  maintenance, Part II (Hindi).  Haryana Farming, Hisar (India). 6 (12):  11-12.

9.  Goyal, M.R., 1974.  Selection of seed-cum-fertilizer equipments (Hindi).  Haryana Farming, Hisar (India), 
6 (12): 12.

10.   Goyal, M.R. and D.N. Sharma, 1975.  Dairy cattle housing.  Haryana Farming, Hisar (India), 4 (1):  6-8.

11.   Goyal, M.R. and R.S.R. Gupta, 1975.  Soil erosion:  Causes and prevention (Hindi).  Haryana Farming, Hisar (India),
7 (1):  11, 22.

12.   Goyal, M.R., et. al, 1975.  Mechanization of cotton production (Hindi). Farm People, Jodhpur (India). 2 (1):  23-24.

13.   Goyal, M.R., 1975.  Plant protection equipments (Hindi).  Farm People, Jodhpur (India).  2 (4):  11-12.

14.  Goyal, M.R. and K.K. Dua, 1975. Methods of fertilization (Hindi). Farm People, Jodhpur (India), 2(6):  15.

15.   Gupta, R.S.R. and M.R. Goyal, 1975.  Save mud houses from falling (Hindi).  Haryana Farming, Hisar (India), 7 (7):  12.

16.   Goyal, M.R. and R.S.R. Gupta, 1975.  Improved watering system on poultry farms.  Poultry Advisor, Banglore (India),
7 (10):  1-3.

17.   Goyal, M.R., 1975.  Cotton cultivation to be mechanized.  The HAU Newsletter In:  The Tribune, Chandigarh (India),
April 7, 1975.  Page 15 of 26.

18.  Goyal, M.R., 1979.  Soybean seedling emergence depends on soil temperature.  Successful Farming, Iowa. 77 (1):  C 11.

19.   Goyal M.R., 1979.  Crusted soils affect seedling emergence.  The Crops and Soils Magazine, Madison, WI, 31 (6): 27. 
April-May issue.

20.   Goyal, M.R., 1980.  Drip system uses much less water. San Juan Star, San  Juan, PR, Jan. 27. Page B8.

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21.  Goyal, M.R., 1981.  Try new irrigation system for commercial vegetable production (Spanish). El Mundo, San Juan. 
61 (349): B8.

22. Goyal, M.R., J. Santaella-Pons and L.E. Rivera, 1982.  Tensiometer:  Use,  Installation and Maintenance (Spanish). Agricultural Extension Service UPR-RUM, Mayagüez.  Serie I, IA73.  Pages 1-18.

23.   Goyal, M.R. and A. Torres-Sepúlveda, 1982.  Drip irrigation is a beneficial technique (Spanish). Agricultural Extension Service, UPR-RUM,  Mayagüez.  Serie II, IA60.  Pages 1-2.

24.    Goyal, M.R., L.E. Rivera, M. Martínez and N. Rojas, 1984.  Principles of  drip irrigation (Spanish). Agricultural Extension Service UPR-RUM,  Mayagüez. Serie III, IA62.  Pages 1-52.

25.   Goyal, M.R. and L.E. Rivera, 1984.  Drip irrigation:  Chemigation (Spanish).  Agricultural Extension Service.  UPR-RUM, Mayagüez.  Serie IV, IA61.  Pages 1-30.

26.    Goyal, M.R. and L.E. Rivera, 1985.  Drip irrigation:  Service and Maintenance (Spanish).  Agricultural Extension Service UPR-RUM, Mayagüez.  Serie V, IA64.  Pages 1-12. 
 ** WINNER OF 1986 BLUE RIBBON AWARD by ASAE.

27.    Goyal, M.R. and L.E. Rivera, 1985.  Evaluation of field uniformity for water application in drip irrigation (Spanish).  Agricultural Extension Service UPR-RUM, Mayagüez. Serie VI, IA65.  Pages 1-18.

28.    Goyal, M.R., 1982.  AGINEER.  Monthly Newsletter of The Puerto Rico Section of ASAE, 1 (1): 1-11, 1 (2):  1-1.

29.    Goyal, M.R., 1983.  AGRINEER.  Monthly Newsletter of The Puerto Rico Section of ASAE, 2 (1):  1-2,2 (2):  1-2, 2 (3):  1-2, 2 (4):  1-7, 2 (5):  1-4, 2 (6):  1-2, 2 (7): 1-5, 2 (8): 1-22.

30.    Goyal, M.R., 1984.  AGRINEER.  Monthly Newsletter of The Puerto Rico Section of ASAE, 3 (1):  1-4,3 (2):  5-9, 3 (3):  10-11, 3 (4): 12-15,  3 (5):  16-17, 3 (6):  18-19, 3 (7):  20-21, 3 (8):  22-23.

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II.  Research publications:  Books (*) and reports

31.   Goyal, M.R., 1973.  Annual report of ICAR (Indian Council of Agricultural Research) scheme: Testing and evaluation of machines for cotton cultivation.  Haryana Agric. Univ.,  Hisar (India).  Pages 159.

32.   Goyal, M.R., 1974.  Annual report of ICAR scheme: Testing and evaluation of machines for cotton cultivation.  Haryana Agric. Univ.,  Hisar (India).  Pages 134.

33.   Goyal, M.R., 1975.  Annual report of ICAR scheme: Testing and evaluation of machines for cotton cultivation.  Haryana Agric. Univ.,  Hisar (India).  Pages 143.

* 34.  Goyal, M.R., 1981.  Bibliography - Drip/Trickle Irrigation.  National Agricultural Plastics Association (NAPA) Tech. Bull.  No. 3 and Special  publication #1175 of Agricultural Experiment Station, UPR-RUM, Mayagüez. Salisbury, Maryland.  Pages 79.

 * 35.  Goyal, M.R. and L.E. Rivera, 1985.  Bibliography -Drip/Trickle Irrigation (Supplement).  College of Engineers and Surveyors of Puerto Rico, Hato Rey (Publ. No. 84-13 of Agric. Exp. Sta., UPR-RUM).  Pages 60.

36.  Goyal, M.R., 1980.  Annual Report 1/PR/H326 (S-143)/1979-80 - Trickle Irrigation in Puerto Rico.  Agricultural
Experiment Station, UPR-RUM, Río  Piedras.  Pages 159.

37.    Goyal, M.R., 1981.  Annual Report 1/PR/H326 (S-143)/1979-80 - Trickle Irrigation in Puerto Rico.  Agricultural Experiment Station, UPR-RUM, Río  Piedras.  Pages 129.

38.  Goyal, M.R., 1982.  Annual Report 1/PR/H326 (S-143)/1979-80 - Trickle Irrigation in Puerto Rico.  Agricultural Experiment Station, UPR-RUM, Río  Piedras.  Pages 95.

39.  Goyal, M.R., 1983.  Annual Report 1/PR/H326 (S-143)/1979-80 - Trickle Irrigation in Puerto Rico.  Agricultural Experiment Station, UPR-RUM, Río  Piedras.  Pages  102.

* 40.    Goyal, M.R., 1983.  AMA Abstracts and Index (1971-80).  Special issue of AMA by FMIRC, Japan.  Pages 75.

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III.    Research publications: Technical presentations, annual reports, and *Peer reviewed papers.

41.    Goyal, M.R., 1969.  Sprayers and their cost analysis.  Indian Society of Agricultural Engineers, Pantnagar (India), Feb. 20, 69.  Pages 26.    ** WINNER OF STUDENT PAPER AWARD BY ISAE

42.   Goyal, M.R., 1971.  Design and development of hand operated sprayer.  Unpublished B.Sc. Thesis, Punjab Agricultural University, Ludhiana (India), May, 71.

43.   Goyal, M.R., 1973.  To perfect the technology of chemical delinting. National Demonstration on Acid Delinting held at Nabipur (Gujrat, India),  Aug. 1-5.  Pages 18.

44.   Goyal, M.R., 1973.  Chemical delinting of ginned seeds.  Technical presentation at All India Coordinated Scheme on Post Harvest Technology  held at Pantnagar (India), Dec. 22-23.  Pages 16.

45.   Goyal, M.R., 1974.  Acid delinting of ginned cotton seeds.  XII Convention of Indian Society of Agricultural Engineers (ISAE) at  Bhubaneswar (India), March 4-7.  Pages 15.

46.    Goyal, M.R., 1974.  Field study of acid delinted seeds.  XII Convention of ISAE at Bhubaneswar (India), March 4-7. 
Pages 11.

47.   Goyal, M.R., 1974.  Cotton sowing equipments.  Technical presentation at  All India Farm Machinery and Equipment Workshop held at Ludhiana (India),  April 8-11.  Pages 19.

48.    Sharma, D.N., M.R. Goyal and O.P. Gulati, 1974.  Energy-input requirements for cotton cultivation.  Paper presented at
All India Coordinated Scheme on Energy input Requirements held at Pantnagar (India), Aug 8-11.  Pages 23.

49.    Goyal, M.R. and D.N. Sharma, 1975.  Testing and evaluation of cotton stalk disposal machinery.  Paper presented at
XIII Convention of ISAE held at Allahabad (India), Dec 31, 74 to Jan. 2, 1975.  Pages 9.

50.    Goyal, M.R. and D.N. Sharma, 1975.  Research findings in mechanization of cotton cultivation in Haryana.  Paper presented at XIII Convention of ISAE. Allahabad, Dec. 31, 74 to Jan. 2, 1975.  Pages 29.

51.    Goyal, M.R. and D.N. Sharma, 1975.  Acid delinting is a beneficial technique.  XIII Convention of ISAE, Allahabad,
Dec. 31, 74 to Jan. 2, 1975.  Pages 6.

52.    Goyal, M.R. and D.N. Sharma, 1975.  Mechanization of cotton cultivation.  XIII Convention of ISAE, Allahabad (India),
Dec. 31, 74 to Jan. 2, 1975.   Pages 17.

*53.   Goyal, M.R. and D.N. Sharma, 1975.  Practice acid delinting for many advantages.  Haryana Farming, Hisar (India), 4 (3): 1.

*54.   Goyal, M.R., D.N. Sharma and K.K. Dua, 1975.  Wash cotton seeds with  acid (Hindi).  Haryana Farming, Hisar (India),
7 (4):  9-10.

*55.    Goyal, M.R. and K.K. Dua, 1975. A new weeding equipment (Hindi). Haryana Farming, Hisar (India),7 (5):  11, 21.

56.    Goyal, M.R., 1977.  Effects of environmental and seed characteristic factors on soybean seedling force.  Unpublished MS Thesis, The Ohio StateUniversity, Columbus, OH.  March 17, 1977.  Pages 94.  Advisor: Dr. Leland O. Drew.

57.   Goyal, M.R., L.O. Drew, G.L. Nelson and T.J. Logan, 1977.  Effects of environmental and seed characteristic factors on soybean seedling force.  ASAE Paper #77-1011 at Annual Meeting of American Society of Agricultural Engineers (ASAE), Raleigh, NC, June 21.  Pages 32.

58.    Manbeck, H.B, M.R. Goyal, G.L. Nelson and M. Singh, 1977.  Dynamic overpressures in model bins during emptying.  Paper #77-4505 at Winter Meeting of ASAE, Chicago, IL, December.  Pages 29.

*59.    Goyal, M.R., L.O. Drew, G.L. Nelson and T.J. Logan, 1982.  Critical time for soybean seedling emergence force. 
Trans. ASAE, 23 (4):  831-35.

*60.  Goyal, M.R., L.O. Drew, G.L. Nelson and T.J. Logan, 1982.  Soybean seedling emergence force.  Trans. ASAE, 23 (4):  836-39.

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* 61.  Goyal, M.R., D.M. Byg and K. Singh, 1979.  An appropriate technology for cotton production in India.  Agricultural Mechanization in Asia, Africa, America (AMA), Japan.  10 (2):73-78.

62.   Goyal, M.R. and T.L. Carpenter, 1979.  A need for farm machinery management programs in India.  Paper #79-1028 at Annual Meeting of ASAE, Manitoba (Winnipeg, Canada), June 25-27.  Pages 27.

63.   Goyal, M.R., G.L. Nelson, L.O. Drew, T.G. Carpenter and T.J. Logan, 1979. Effects of moisture indices on soybean seedling force.  Paper #79-1013 at Annual Meeting of ASAE, Manitoba (Winnipeg, Canada), June 25-27. Pages 20.

*64.   Goyal, M.R., et. al., 1981.  Moisture and soybean seedling emergence.  Trans. ASAE, 24 (6):1432-35.

65.     Goyal, M.R., G.L. Nelson, L.O. Drew, T.G. Carpenter and T.J. Logan, 1979. Stresses generated in soil crusts   
by emerging dicot seedlings.  Paper No. 79-1043 at Annual Meeting of ASAE, Manitoba, June25-27.  Pages 22.

*75.  Goyal, M.R., et. al., 1982.  Stresses generated in soil crust by emerging dicots.  Trans. ASAE, 25 (3):  556-62.   
              **WINNER OF 1983 ASAE  RESEARCH PAPER AWARD**

76.  Goyal, M.R., 1979.  Stresses generated in soil crust by emerging dicot seedlings.  Ph.D. Dissertation, The Ohio State University, Columbus, Ohio,  Aug. 1979.  Pages 121.  Advisor: Dr. Gordon L. Nelson.

* 77.  Goyal, M.R. and L.O. Drew, 1979.  Chisel plowing vs. moldboard plowing.  AMA, Japan, 10 (4):  51-56. 

78.     Goyal, M.R., L.O. Drew and T.G. Carpenter, 1979.  Analytical prediction of seedling emergence force in a crusted soil.  Paper #79-1543 at Winter Meeting of ASAE, New Orleans, LA, Dec. 11-14.  Pages 11.

79.    Goyal, M.R., G.L. Nelson and T.G. Carpenter, 1982. Analytical prediction of seedling emergence force.  Trans. ASAE,
25 (1):38-41.

80.   Goyal, M.R., G.L. Nelson and T.G. Carpenter, 1979.  Mechanical properties of soil crust.  Paper #79-1547 at Winter Meeting of ASAE, New Orleans, LA, Dec. 11-14.  Pages 16.

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81.   Goyal, M.R, L.O. Drew and V.K. Sharma, 1979.  Tomato seedling emergence vs. soil crust strength.  Paper #79-1516 at Winter Meeting of ASAE, New Orleans, LA, Dec. 11-14.

82.  Goyal, M.R., T.G. Carpenter and G.L. Nelson, 1980.  Soil crust versus seedlings emergence force.  Paper No. 80-1009 at ASAE Summer Meeting, San Antonio, TX, June 15-16.

83.   Goyal, M.R., 1981.  Chemical applications via trickle irrigation systems. Third Pesticide Conference by College of Agricultural Sciences, UPR-RUM,  Río Piedras, Nov. 16, 1981.  Pages 10. 

84.    Goyal, M.R. and L.E. Rivera, 1982.  Crop response of trickle irrigated vegetables in Puerto Rico.  Paper #82-2058 at Summer Meeting of ASAE held at Madison, WI.  Pages 29.

85.    Goyal, M.R., 1980, 1981, 1982.  Drip irrigation research in Puerto Rico.  Paper presented at Puerto Rican Society of Agricultural Sciences (SOPCA) annual meeting.  October-November.

*86.    Goyal, M.R. and W.F. Allison, 1983.  Summer drip irrigation  requirements for cucumber.  J. Agric. U.P.R., 67 (3):  328-334.

*87.   Goyal, M.R., 1983.  Labor input requirements for experimental production of summer peppers under drip irrigation.  J. Agric. U.P.R., 67 (1):  23- 27.

* 88.    Guadalupe-Luna R., M.R. Goyal, E. Recio de Hernández, L.E. Rivera and M. Cintrón, 1983.  Effects of water application rates, plastic mulch,  staking on size arrangements of mature green tomatoes under drip irrigation.    J. Agric. U.P.R.,
67 (3):  293-302.

*89.   Goyal, M.R., 1983.  Cultivation of chick peas in Puerto Rico.  J. Agric. U.P.R., 67 (2):167-168.

*90.   Goyal, M.R., V.A. Snyder and L.E. Rivera, 1983.  Solute movements patterns in drip irrigated tomatoes at Santa Isabel. 
J. Agric. U.P.R., 67 (4):486-493.

91.   Goyal, M.R., J. Román, F. Gallardo and Luis E. Rivera, 1983.  Chemigation via trickle irrigation system in vegetables and fruit orchards.  Paper #83-1008 at Summer Meeting of ASAE held at Bozeman, MT, June. Pages 12.

* 92.  Goyal, M.R., R. Guadalupe-Luna, E. Recio de Hernández and L.E. Rivera, 1984.  Effects of plastic mulch types on sizing and crop performance of  drip irrigated winter and summer peppers.  J. Agric. U.P.R., 68 (3): 297-305.

* 93.  Goyal, M.R., C.L. Santiago and C. Chao, 1984.  How plastic mulch types affect growth parameters of drip irrigated summer peppers.  J. Agric. U.P.R., 8 (4): 365-373.

94.  Goyal, M.R., J. Román, R. Montalvo and F. Gallardo, 1984.  Pestigation via trickle irrigation systems.  Paper No. 64 at Symposium on Advances in Pesticide Application Technology at 188th Meeting of American Chemical   Society, Philadelphia, PA.  August 29-31.  Pages 41.

95.   Goyal, M.R., 1984.  Agricultural Engineering potential in the Caribbean basin.  Papper #I-17 at First Congress on Agricultural and Food Engineering by Pan American Association of Engineering Societies (UPADI)  held at Caracas, Venezuela,
Oct. 28 - Nov. 4.  Pages 37.   **Published in AMA, Japan, 17 (4):  51-58, 67 Autumn 1986.

*96.   Rivera, L.R. and M.R. Goyal, 1985.  Mulch types on soil temperature at varying depths of drip irrigated summer and winter peppers.  J. Agric. U.P.R., 69 (1):121-123.

*96.    Santiago, C.L. and M.R. Goyal, 1985.  Nutrient uptake and solute movement in drip irrigated summer peppers.  J. Agric. U.P.R., 69 (1): 63-68.

* 98.   Otero-Dávila, R. and M.R. Goyal, 1985.  Equilibrium moisture content of parched Arabic coffee. J. Agric. U.P.R.,
69 (2):  219-221.

*99.   Goyal, M.R., R. Guadalupe-Luna, E. Recio de Hernández, L.E. Rivera and E. Caraballo, 1985.  Effects of water application rates and planting density on size arrangements of drip irrigated onions.  J. Agric. U.P.R.,  69 (3):383-389.

100.    Goyal, M.R. and L.E. Rivera, 1985.  Trickle irrigation scheduling in vegetables, In:Drip/Trickle Irrigation in Action.  Third International Drip/Trickle Congress by ASAE, Fresno, CA.  Nov. 16-20, 1985.  Vol. II   Paper No. M-7. Pages 838-43.

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101.    Goyal, M.R., L.E. Rivera and C.L. Santiago, 1985.  Nitrogen fertigation in drip irrigated peppers, tomatoes and eggplant, In:  Drip/Trickle  Congress by ASAE, Fresno, CA.  Nov. 16-20.  Vol. I, Paper #I-10. Pages 388-92.

102.   Goyal, M.R., L.E. Rivera, E. Caraballo and C.L. Santiago, 1985.  Growth characteristics of trickle irrigated vegetables, In:  Drip/Trickle Irrigation in Action.  Third International Drip/Trickle Congress by ASAE, Fresno, CA.  November 16-20. 
Vol. I, Paper #F-9. Pages 249-54.

103.    Goyal, M.R., 1985.  Subject Index of Drip/Trickle Irrigation in Action Vol. I and II.  Third International Drip/Trickle Congress by ASAE, Fresno,  CA.  Nov. 16-20. Pages 473-75.

104.  Liu, L.C., M. de Lourdes-Lugo, L. Almodóvar-Vega, M.R. Goyal and J. González-Ibañez, 1985.  Weed competition in transplanted tomatoes.  21st Annual Meeting of Caribbean Food Crops Society Proc., Trinidad.  Sept.  8-13.

105.   Torres-Correa, L.M., L.C. Liu, M.R. Goyal and J. González-Ibañez, 1985. Integrated weed control in transplanted peppers.  21st Annual Meeting of  Caribbean Food Crops Soc. Proc., Trinidad.  Sept. 8-13.  20:  198-9.

106.   Goyal, M.R., O. Colberg and A. Acosta, 1985.  Xylem irrigation: Principles, practices and problems.  Paper #85-2620 at ASAE Winter Meeting, Chicago, IL., Dec. 17-20.  Pages 18.

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                        TECHNICAL PUBLICATIONS 

During 1986 through ---- 

I.       Extension publications:  Popular articles, bulletins, newsletters.

1.   Rivera, L.E. and M.R. Goyal, 1986.  Filtration system (Spanish). Agricultural Extension Service UPR-RUM, Mayagüez. 
Serie VIII, IA67. Pages 1-72.

2.     Goyal, M.R. and L.E. Rivera, 1986.  Design of drip irrigation systems  (Spanish).  Agricultural Extension Service UPR-RUM, Mayagüez.  Serie VIII, IA70.  Pages 1-72.

3.    Goyal, M.R. and L.E. Rivera, 1986.  Depths to locate tensiometers (Spanish).  Agricultural Extension Service, UPR-RUM, Mayagüez.  Serie IX, IA68.  Pages 1-2.

4.     Goyal, M.R. and E.A. González, 1986.  Automation in drip irrigation. Agricultural Extension Service, UPR-RUM, Mayagüez.  Serie XI, IA75. Pages 1-57.

5.    Goyal, M.R., L.E. Rivera and A. Poventud, 1986.  Cloration in drip irrigation systems (Spanish).  Agricultural Extension Service, UPR-RUM. Mayagüez.  Serie XV, IA 76.  Pages 1-22.

6.    Rivera, L.E. and M.R. Goyal, 1987.  Drip irrigation: Methods to measure soil moisture (Spanish).  Agricultural Extension Service, UPR-RUM, Mayagüez.  Serie XIII, IA71.  Pages 1-48.

7.    Goyal, M.R. y E.A. González, 1989.  Evapotranspiración. Servicio de Extensión Agrícola, UPR-RUM, Rio Piedras.  
Serie XIV, IA72     Pages 1-45.

II.      Research publications:  Books

8.   Goyal, M.R., 1990. Manejo de Riego por Goteo.  Servicio de Extensión Agrícola, RUM, Rio Piedras. IA 80.
ISBN-0-9621805-2-3- Páginas 1-548.  

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III.        Research publications: *Peer reviewed papers, technical presentations.

*9.     Caraballo, E., M.R. Goyal and C. Chao de Báez, 1986.  Effects of water application rates and planting density on growth parameters of drip irrigated onions.  J. Agric. U.P.R., 70 (2):  135-42.

*10.     Ravalo, E.J., M.R. Goyal and C.R. Almoldóvar, 1986.  Average monthly and annual rainfall distribution in Puerto Rico.  J. Agric. U.P.R., 70 (4):267-75.

*11.    Ravalo, E.J., F.R. Rivera-Negrón, M.R. Goyal and C.R. Almodóvar, 1986. Hill and mechanization in Puerto Rico. 
AMA Japan,   17 (1):  59-62.

12.      Goyal, M.R., 1986.  Chemigation in drip irrigation systems.  Presentation at annual meeting of Puerto Rico Society of Agricultural Sciences at Corozal.  Nov. 7, 86.

*13.     Rivera, L.E. and M.R. Goyal, 1986.  Mulch types for soil moisture retention in drip irrigated summer and winter peppers.  J. Agric. U.P.R., 70 (4):  303-5.

*14.    Phillips, A. and M.R. Goyal, 1987.  Puerto Rico:  Agricultural Engineering and the food production chain.
Dimension CIAPR, 2 (5): 41-4, April-June issue.

*15.     Goyal, M.R. and F. Rivera-Negrón, 1987.  Evaluation of hand operated coffee picker.  J. Agric. U.P.R., 71 (1):  121-3.

*16.     Goyal, M.R., O. Colberg and W. Vicenti, 1989.  Separation of asparagus berries using stationary plant thresher.  
AMA Japan, 20 (2):  30-2.

 *17.    Goyal, M.R. and A. Poventud-Suárez, 1987.  Soil moisture potential distribution around and emitter.        
J. Agric. U.P.R., 71 (4):  423-6.

 *18.    Goyal, M.R., 1987.  Insitu recovery of drip irrigated cabbage roots.  J. Agric. U.P.R., 71 (4):  419-22.

*19.   Goyal, M.R., M. Crespo-Ruíz and L.E. Rivera, 1988.  Root distribution of nitrogen fertigated sweet peppers under drip irrigation.  J. Agric. U.P.R., 72 (1):  51-6.

*20.     Goyal, M.R., T. Persaud and L.E. Rivera, 1988.  Labor input requirements for experimental production of drip irrigated vegetables.  J. Agric. U.P.R., 72 (1):  41-50.

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*21.    Goyal, M.R. and P. Bellerive-Martelly, 1987.  Agriculture in Haiti: With  emphasis in irrigation.  AMA Japan,
18 (4):  54-7.

*22.    Goyal, M.R., F.R. Rivera-Negrón and E. Recio de Hernández, 1987.  Evaluation of coffee separating machines. 
J. Agric. U.P.R.,   71 (1): 113-20.

*23.  Persaud, T., M.R. Goyal and P. Bellerive, 1988.  Cost of drip irrigation system for vegetables farming in Puerto Rico. 
J. Agric. U.P.R., 72 (1): 31-40.

*24.    Goyal, M.R., 1988.  Potential evapotranspiration for south coast of Puerto Rico with the Hargreaves and Samani technique.  J. Agric. U.P.R., 72 (1):  57-64.

*25.    Liu, L.C., M. Antoni-Padilla, M.R. Goyal and J. González-Ibañez, 1987.  Integrated weed management in transplanted tomatoes and peppers.  J. Agric. U.P.R., 71 (4):  349-58.

*26.    Goyal, M.R., 1988.  Potential evapotranspiration for Vieques Island of  Puerto Rico with the Hargraves-Samani model. 
Res. Note J. Agric. U.P.R., 72 (1):  177-8.

27.    Goyal, M.R., E.A. González, L.E. Rivera and C. Chao, 1987.  Sweet pepper  response to drip-, microsprinkler-and furrow irrigation.  ASAE Paper #87-2523 at 1987 Winter Meeting of American Society of Agricultural Engineers at Chicago, IL. 
December 15-18, 1987.  Pages 13.

28.    Goyal, M.R., E.A. González and C. Chao de Báez, 1987.  Potential  evapotranspiration estimation for Puerto Rico with Hargreaves-Samani model.  ASAE Paper #87-2501 at 1987 Winter Meeting of American Society of Agricultural Engineers at Chicago, IL.  December 15-18, 1987.  Pages 14.

*29.   González, E.A. and M.R. Goyal, 1988.  Estimation of irrigation requirement of sweet corn (Zea mays cv. Sursweet) in the south coast of Puerto Rico.  J. Agric. U.P.R., 72 (2):  277-84 (Spanish).

*30.   González, E.A., M.R. Goyal and C. Chao de Báez, 1988.  Effects of three irrigation levels on growth and yield of sweet corn (Zea mays cv. Suresweet) under drip irrigation.  J. Agric. U.P.R., 72 (4):  565-74. 

*31.    Crespo Ruíz, M., M.R. Goyal, C. Chao de Báez and L.E. Rivera, 1988. Nutrient uptake and growth characteristics of nitrogen fertigated sweet peppers under drip irrigation and plastic mulch.  J. Agric. U.P.R., 72 (4):  575-84.

*32.    Goyal, M.R. and E.A. González, 1988.  Irrigation requirements of sorghum in the south and north coasts of Puerto Rico. 
J. Agric. U.P.R., 72 (4): 585-98 (Spanish). 

*33.   Ravalo, E.J. and M.R. Goyal, 1988.  Water requirements of rice in Lajas Valley of Puerto Rico.  Dimension CIAPR,
2 (8):  33-5.  Jan-March issue.

34.   Goyal, M.R. and A.L. Soto, 1987.  Anuario:  Festival del Mango.   Subestación Experimental Agrícola de Fortuna, Puerto Rico.  Pág. 1-78.

*35.     Goyal, M.R., E.A. González and C. Chao de Báez, 1988.  Temperature versus  elevation relationships for Puerto Rico. 
J. Agric. U.P.R., 72 (3):  449-67.

*36.    Goyal, M.R. and E.A. González, 1988.  Seasonal consumptive use of peppers  water by bell and cubanelle peppers in semiarid and humid coastal sites in Puerto Rico. J. Agric. U.P.R., 72(4).

37.   Goyal, M.R. and E.A. González, 1988.  Water requirements for vegetable production in Puerto Rico.       National Irrigation and Drainage Congress by Am. Soc. Civil Engrs. at Lincoln, NE, July 19-22, 1988.  Pages 385-92.

38.   Goyal, M.R. and L.E. Rivera, 1988.  Potassium fertigation in drip irrigated peppers in Puerto Rico.  National Irrigation and Drainage Congress by Am. Soc. Civil Engrs. at Lincoln, NE, July 19-22, 1988. Pages 87-90.

*39.   Goyal, M.R. and E.A. González, 1989.  Monthly consumptive use of rice in the semiarid and humid regions of Puerto Rico.  J. Agric. U.P.R., 73 (1): 31-44.

*40.    Goyal, M.R., E.J. Ravalo and E.A. González, 1989.  Normal monthly class A pan evaporation for agricultural experiment substations in Puerto Rico. J. Agric. U.P.R., 73 (1):  85-8. 

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*41.    Goyal, M.R. and E.A. González, 1989.  Monthly consumptive use of sugarcane in four climatic regions of Puerto Rico.   
J. Agric. U.P.R., 73 (1):  93-5.

*42.    Goyal, M.R., R. Guadalupe-Luna, E.R. Hernández and C. Chao de Báez, 1989. Post harvest evaluation of nitrogen fertigated sweet peppers under drip  irrigation and plastic mulch.  J. Agric. U.P.R.,  73 (2): 109-14.

*43.    Goyal, M.R. and E.A. González, 1989.  Monthly water consumptive use of  papaya in climatic regions of Puerto Rico. 
J. Agric. U.P.R.,   73 (2): 175-6.

44.     Goyal, M.R., 1989.  Estimation of monthly water consumption by selected  crops in the semiarid and humid regions of Puerto Rico. Monograph by AES-UPR-RUM, Río Piedras.  Pages 454.  ISBN 0-9621805-0-5 and Library of Congress #88-51661. Pages 1-454.

*45.    Goyal, M.R. and E.A. González, 1989.  Pan coefficients for Puerto Rico. J. Agric. U.P.R., 73 (1):  89-92.

*46.     Goyal, M.R. and C. Chao, 1989.  Tomato and sweet pepper response to furrow-, micro sprinkler- and drip irrigation. 
J. Agric. U.P.R.,   73 (3): 239-54.

*47.   Liu, L.C. and M.R. Goyal, 1989.  Selective herbicides to control grass  weeds in transplanted tomatoes and peppers. 
 J. Agric. U.P.R., 73 (3): 231-38.

48.    Goyal, M.R., 1990.  Trouble shooting in trickle irrigation.  Third Irrigation Symposium by ASAE at Phoenix-AZ. October 28 -November 1, 1990. Pages 464-68.   

49.    Goyal, M.R., 1988.  Tomato response to furrow-, microsprinkler-, and drip irrigation.  Paper # PRS  88-02     and ASAE
88-2510 for presentation at winter  meeting of ASAE at Chicago, IL.  Dec. 13-16,  1988.  Pages 13.

*50.   Goyal, M.R., E.A. González Fuentes y J.A. Santiago Rivera, 1989.  Riego por goteo:  Estudio de viabilidad.  Servicio de Extensión Agrícola-Recinto Universitario de Mayagüez, Río Piedras, PR.  IA78 Serie 17, páginas 1-18.

*51.     Goyal, M.R. y E.A. González, 1989.  Interpretación de las lecturas del  tensiómetro.  Servicio de Extensión Agrícolas- UPR - RUM, Río Piedras, PR, IA77 Serie 16,  páginas 1-2.

*52.    Chao, C. and M.R. Goyal, 1990.  Class A pan evaporation versus  evapotranspiration at seven locations in Puerto Rico.
J. Agric. U.P.R., 74(3): 343-46.

*53.    Goyal, M.R. and C. Chao, 1991.  Estimation of potential evapotranspiration with the Hargreaves and Samani model at selected locations in  Puerto Rico.  J. Agric. U.P.R., 75 (1): 107-109.

*54.    Brathwaite, O. and M.R. Goyal, 1994.  Water consumption by selected crops and climatology in Trinidad. AMA, Japan.

55.     Goyal, M.R. and E.A. González, 1989.  Datos climatológicos de las subestaciones experimentales de Puerto Rico.  Estación Experimental Agrícola-UPR-RUM, Río Piedras.  Páginas 1-87.

56.    Goyal, M.R., 1989.  Irrigation Research and Extension Progress in Puerto Rico.  ISBN O-9621805-1-3 and Library of Congress #88-51939  by Agric. Exp. Sta. of UPR-RUM.  Symposium proceedings on first congress on "Irrigation in Puerto Rico".  March 8, 1989.   Pages 1-549.