 | Luis Alberto Camero - 1999 - 442 páginas
Alley cropping is a system of agroforestry where trees and crops are intercropped , the former being periodically ... D.C.L. Phosphorus availability under alley cropping and mulched and unmulched sole cropping systems in Costa Rica . | |
 | Francisco Jiménez O., Arturo Vargas F. - 1998 - 376 páginas
Phosphorus availability under alley cropping and mulched and unmulched sole cropping systems in Costa Rica . Plant and Soil 137 : 275-283 . HEDLEY , M. J .; STEWART , J. W. B .; CHAUAHAN , B. S. 1982. Changes in inorganic and organic ... | |
 | 112 páginas
Phosphorus availability under alley cropping and mulched and unmulched sole cropping systems in Costa Rica . Plant and Soil . 1991 . HERNANDEZ , I. , D.L. D.L. KASS , KASS , AND J. CAMACHO . 1992. Economic evaluation of alley farming ... | |
 | 44 páginas
20.136 p . ISRIC . Wageningen , The Netherlands Haggar , J.P. , Warren , G.P. , Beer , J.W. , and Kass , D. 1991. Phosphorus availability under alley cropping and mulched and unmulched sole cropping systems in Costa Rica . | |
 | 1994 - 26 páginas
Phosphorus availability under alley cropping and mulched and unmulched sole cropping systems in Costa Rica . Plant Soil , 137 : 275-283 . Haggar , J. , Beer , J. , Tanner , E. and Rippin , M. , 1993. Nitrogen dynamics of tropical ... | |
 | 26 páginas
Phosphorus availability under alley cropping and mulched and unmulched sole cropping systems in Costa Rica . Plant and Soil ( Holanda ) 137 : 275-283 . HEDLEY , M.J .; STEWART , J.W.B .; CHAUHAN , B.S. 1982. Changes in inorganic and ... | |
 | H. W. Fassbender - 1993 - 540 páginas
El ecosistema natural, los recursos naturales, los agroecosistemas y sus modelos edafologicos; Los agroecosistemas, con especial referencia a los sistemas de produccion agroflorestales; El ciclo del agua; Ciclo de la materia organica; Ciclo ... | |
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