 | 214 páginas
Cover - crop effects on billbug damage to seedling corn and sorghum in conservation - tillage systems . ... The soil Acari of barley plots with different cultural treatments . ... Crops and Soils Magazine ( USA ) . 37 ( 1 ) : 26 . 112. | |
 | Juan P. Puignau - 1995 - 200 páginas
Crops and Soils Magazine . 34 ( 4 ) : 7-9 . SEGINER , IDO . 1969. The effect of albedo on the evapotranspiration rate . Agr . Meteorol . 6 : 5 - 31 . SHANHOLTZ , V.O. and LILLARD , J.H. 1968. Hidrologic aspects of no tillage versus ... | |
 | 56 páginas
Journal of Anthropological Research 32 : 123-140 , 1976 . BAZAN , R. et al . ... American Journal of Agricultural Economics . 151 , 1976 . PP . 143BENNETT , O.L. 1 Field + 1 Year = 2 Crops . Crops and Soils Magazine . PP . 15-17 . | |
 | 48 páginas
Raleigh , N.C. University Consortium of Soils of the Tropics , 1974. pp . 380-417 . - 21 - 16. LARSON , E. E. et al . Problems with no - till crops . 14-20 p . December 1970 . and Soils Magazine . BIBLIOTECA Centro Interamericano de ... | |
 | Centro interamericano de documentación e información agrícola (San José, Costa Rica)., IICA-Costa Rica, Organización latinoamericana de energía (Quito, Equateur). - 232 páginas
Crops and Soils Magazine 31 ( 2 ) : 10-13 . 1978 . ( 0827 . ; IANNOTTI , E. L. y SIEVERS , D. M. Methane production systems for swine manure . Liberal , Kansas , 1978 . 33 p . ( 0828 FISCHER , J. R .; CHRISTIANSON , L. y FULHAGE , C. D. ... | |
 | 1980 - 284 páginas
Crops and Soils Magazine 0749 . Crystallizer 1869 , 2251 . CSIRO Eulletin 0266 . CTP Informativo 0187 , 1620 , 121 , 1847 , 4C24 , 4025 , 4053 . CIP Newsletter 1890 . Current Science 1995 . Ch . Eng . Ness 4021 . | |
 | 396 páginas
This relatively early positive impact on soil fertility will greatly facilitate the demonstration of the potential benefits of plantations or tree - crop combinations using these species . To help in making this kind of recommendation ... | |
 | 180 páginas
1963 . ✓ ROBINSON , D. B. Nitrogen studies in coffee soil . I. Seasonal trend of natural soil nitrate and ammonia in relation to crop , growth , soil moisture and rainfall . Journal of Agricultural Science 55 : 333-338 . 1960 . | |
 | 244 páginas
Agronomy Journal 95:455. ... "Soil Electrical Conductivity and Topography Related to Yield for Three Contrasting Soil-Crop Systems." Agronomy Journal ... "Soil electrical conductivity as a crop productivity measure for claypan soils. | |
 | 1969 - 398 páginas
CANADIAN JOURNAL OF SOIL SCIENCE ( Canadá ) No. 1- 1921-3 ncs. ... Journal of the Clay Minerals Group of the Minerals Group of the Mineralogical Society ( Inglaterra ) No. ... US $ 7.00 ( Química ; todo clima ) CROPS AND SOILS ( EE.UU. ) ... | |
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