A method for determining optimum harvesting date of 2-b bushy pigeon pea
Benero, J.R¹; Ortiz, H; Acevedo, E; Rodríguez, A.J
¹Universidad de Puerto Rico, Estación Experimental, Rio Piedras, San Juan. Puerto Rico
[The journal of agriculture of the University of Puerto Rico, Puerto Rico, 1981 Vol. 65 Num. 1 Ene, Pag. 43-49]

Differential mite infestation of cassava varieties
Cruz, C^1
1Universidad de Puerto Rico, Departamento de Protección de Cultivos, Rio Piedras, San Juan. Puerto Rico
[The journal of agriculture of the University of Puerto Rico, Puerto Rico, 1981 Vol. 65 Num. 1 Ene, Pag. 81-82]

Effect of soil mulches on leafhopper (Empoasca spp.) population and on dry bean yield
Cruz, C^1
1Universidad de Puerto Rico, Dep Proteccion Cosechas, Rio Piedras, San Juan. Puerto Rico
[The journal of agriculture of the University of Puerto Rico, Puerto Rico, 1981 Vol. 65 Num. 1 Ene, Pag. 79-80]

Effect of three grazing intervals on carrying capacity and weight gains produced by star grass pastures
Caro-Costas, R¹; Vicente Chandler, J
¹Universidad de Puerto Rico, Est Experimental Agricola, Rio Piedras, San Juan. Puerto Rico
[The journal of agriculture of the University of Puerto Rico, Puerto Rico, 1981 Vol. 65 Num. 1 Ene, Pag. 14-20]

High yields of non-fertilized protein-rich pigeon peas on tropical soils of low inherent fertility of Puerto Rico : an explanation of a paradox
Lugo López, M.A¹; Abrams, R
¹Universidad de Puerto Rico, Est Experimental Agricola, Rio Piedras, San Juan. Puerto Rico
[The journal of agriculture of the University of Puerto Rico, Puerto Rico, 1981 Vol. 65 Num. 1 Ene, Pag. 21-28]

Molluscicidal activity of natural products. The effect of solanum glycosidic alkaloids on Lymnaea cubensis snails
Alzerreca, A¹; Arboleda, B; Hart, G
¹Inter-American University of Puerto Rico, Department of Natural Sciences, San Juan. Puerto Rico
[The journal of agriculture of the University of Puerto Rico, Puerto Rico, 1981 Vol. 65 Num. 1 Ene, Pag. 69-72]

Neorchesella, new genus of springtails from Mexico (Collembola : Entomobryidae : Orchesellinae)
Mari-Mutt, J.A^1
1Universidad de Puerto Rico, Colegio Universitario Huamacao, Huamacao. Puerto Rico
[The journal of agriculture of the University of Puerto Rico, Puerto Rico, 1981 Vol. 65 Num. 1 Ene, Pag. 8-13]

Nitrogen rates in single and split applications and yield of flooded rice
Lozano, J.M¹; Abruna, F
¹Universidad de Puerto Rico, Estación Experimental Agrícola, Rio Piedras, San Juan. Puerto Rico
[The journal of agriculture of the University of Puerto Rico, Puerto Rico, 1981 Vol. 65 Num. 1 Ene, Pag. 35-42]

Non-enzymatic darkening in young hot water-peeled green bananas
Sánchez Nieva, F¹; Mercado, M
¹Universidad de Puerto Rico, Est Experimental Agricola, Lab Tecnol Alimentos, Rio Piedras, San Juan. Puerto Rico
[The journal of agriculture of the University of Puerto Rico, Puerto Rico, 1981 Vol. 65 Num. 1 Ene, Pag. 1-7]

Performance of eight cowpea (Vigna unguiculata) cultivars on an oxisol in northwestern Puerto Rico
Badillo Feliciano, J¹; Abrams, R
¹Universidad de Puerto Rico, Est Experimental Agricola, Rio Piedras, San Juan. Puerto Rico
[The journal of agriculture of the University of Puerto Rico, Puerto Rico, 1981 Vol. 65 Num. 1 Ene, Pag. 62-68]

Progress in guava selection in puerto rico
Singh-dhaliwal, T¹; Serapion, J.L
¹Universidad de Puerto Rico, Dep Horticultura, Rio Piedras, San Juan. Puerto Rico
[The journal of agriculture of the University of Puerto Rico, Puerto Rico, 1981 Vol. 65 Num. 1 Ene, Pag. 73-74]

Root distribution of plantains growing on five soil types
Irizarry, H¹; Vicente Chandler, J; Silva, S
¹Dep Agricultura, Rio Piedras, San Juan. Puerto Rico
[The journal of agriculture of the University of Puerto Rico, Puerto Rico, 1981 Vol. 65 Num. 1 Ene, Pag. 29-34]

Storage of habanero (D. rotundata) yam
Rodriguez, E.J¹; Parsi Ros, O; González, M.A
¹Universidad de Puerto Rico, Estación Experimental Agrícola, Rio Piedras, San Juan. Puerto Rico
[The journal of agriculture of the University of Puerto Rico, Puerto Rico, 1981 Vol. 65 Num. 1 Ene, Pag. 50-57]

Studies on management of a wild yam (dioscorea alata) and a wild tanier (xanthosoma sp.)
Abruna, F¹; Diaz, N; Vicente Chandler, J
¹Dep Agricultura, Rio Piedras, San Juan. Puerto Rico
[The journal of agriculture of the University of Puerto Rico, Puerto Rico, 1981 Vol. 65 Num. 1 Ene, Pag. 58-61]

Winged beans as a potential food and green manure crop under conditions in Puerto Rico
Lugo López, M.A¹; Pérez Escolar, R; Valle, R. del
¹Universidad de Puerto Rico, Departamento de Agronomía, Rio Piedras, San Juan. Puerto Rico
[The journal of agriculture of the University of Puerto Rico, Puerto Rico, 1981 Vol. 65 Num. 1 Ene, Pag. 75-78]

Chemical control of coffee nematodes in seedbeds in Puerto Rico
Echavez Badel, R¹; Ayala, A
¹Universidad de Puerto Rico, Estación Experimental Agrícola, Mayagüez. Puerto Rico
[The journal of agriculture of the University of Puerto Rico, Puerto Rico, 1980 Vol. 64 Num. 4 Oct, Pag. 474-481]

Chemical weed control in taniers
Lii-Chyuan, L.I.U¹; Acevedo Borrero, E
¹Universidad de Puerto Rico, Estación Experimental Agrícola, Mayagüez. Puerto Rico
[The journal of agriculture of the University of Puerto Rico, Puerto Rico, 1980 Vol. 64 Num. 4 Oct, Pag. 442-449]

Differential response of corn and sweet potatoes to Zn applications in an oxisol in northwestern Puerto Rico
Badillo Feliciano, J¹; Lugo López, M.A
¹Universidad de Puerto Rico, Estación Experimental Agrícola, Mayagüez. Puerto Rico
[The journal of agriculture of the University of Puerto Rico, Puerto Rico, 1980 Vol. 64 Num. 4 Oct, Pag. 482-488]

Effect of plant density on yield and plant characters of twelve corn hybrids and selections
Sotomayor Ríos, A¹; Torres, C; Ellis, M
¹Universidad de Puerto Rico, Estación Experimental Agrícola, Mayagüez. Puerto Rico
[The journal of agriculture of the University of Puerto Rico, Puerto Rico, 1980 Vol. 64 Num. 4 Oct, Pag. 407-413]

Effect of season and growth regulators on flowering, fruit-set and development of the tomato
Pérez Zapata, M¹; Ramírez Oliveras, G
¹Universidad de Puerto Rico, Estación Experimental Agrícola, Mayagüez. Puerto Rico
[The journal of agriculture of the University of Puerto Rico, Puerto Rico, 1980 Vol. 64 Num. 4 Oct, Pag. 460-473]