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Índice de Puerto Rico
 
Conuco Ver 2.2
Índice de Puerto Rico
    

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  Abruña, Fernando (búsqueda por autor) refinar
 1.  Crop response to soil acidity factors in Utisols and Oxisols in Puerto Rico-soybeans
Abruña, Fernando
The journal of agriculture of the University of Puerto Rico, vol. 62, núm. 1; Jan. 1978
Agricultura, Ciencia, Flora, Geociencias
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 2.  Nitrogen rates in single and split applications and yield of flooded rice
Lozano, José M., Abruña, Fernando
The journal of agriculture of the University of Puerto Rico, vol. 65, núm. 1; Jan. 1981
Agricultura, Flora
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 3.  Effect on Tanier yields of artificial shade levels and of intercro ping with plantains
Rodríguez García, José, Abruña, Fernando, Díaz, Nicolás
The journal of agriculture of the University of Puerto Rico, vol. 65, núm. 4; Oct. 1981
Agricultura, Flora
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 4.  Studies on management of wild yam (Dioscorea alata) and wild tanier (Xanthosoma sp.)
Abruña, Fernando, Díaz, Nicolás, Chandler, José Vicente
The journal of agriculture of the University of Puerto Rico, vol. 66, núm. 1; Jan. 1982
Agricultura, Flora
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 5.  Crop response to soil acidity factors in Ultisols and Oxisols in Puerto Rico VI : grain sorghum
Abruña, Fernando, Rodríguez, José, Silva, Servando
The journal of agriculture of the University of Puerto Rico, vol. 67, núm. 1; Jan. 1983
Agricultura, Flora
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 6.  Spraying for leaf spot and liming increase yam (Dioscorea Alata L.) yield
Rodríguez García, José, Abruña, Fernando, Irizarry, Heber
The journal of agriculture of the University of Puerto Rico, vol. 67, núm. 3; July 1983
Agricultura, Flora
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 7.  Crop response to soil acidity factors in utisols and oxisols in Puerto Rico, VIII : yams
Abruña, Fernando, Vicente Chandler, José, Rodríguez García, José A.
The journal of agriculture of the University of Puerto Rico, vol. 67, núm. 4; Oct. 1983
Agricultura, Flora
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 8.  Potassium supplying capacity of six upland Mollisols from Puerto Rico
Abruña, Fernando
The journal of agriculture of the University of Puerto Rico, vol. 67, núm. 4; Oct. 1983
Agricultura, Flora
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 9.  Effect of season of the year on yields of several varieties of dry beans growing in two ecological regions of Puerto Rico
Lozano, José M., Rivera, Edmundo, Abruña, Fernando
The journal of agriculture of the University of Puerto Rico, vol. 67, núm. 4; Oct. 1983
Agricultura, Flora, Geociencias
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 10.  Water management systems and rice yields under humid tropical conditions in Puerto Rico
Silva, Servando, Vicente Chandler, José, Abruña, Fernando
The journal of agriculture of the University of Puerto Rico, vol. 67, núm. 4; Oct. 1983
Agricultura, Flora
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Abruña, Fernando

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