 | Ernesto Doreste S. - 1988 - 180 páginas
Introduction CONSERVATION TILLAGE IN THE USA by W. C. Moldenhauer , G. W. Langdale , W. Frye , D. K. McColl , R. I. Papendick , D. E. Smika , D. William Fryrear and O. L. Bennett * Of the 132.5 million hectares of harvested cropland in ... | |
 | 214 páginas
Conservation tillage and insect control . A systems approach to conservation tillage . O'ITRI , F.M. ( Ed . ) . Chelsea , Mich . ( USA ) . Lewis Publishers . P. 137-143 . 15. Van Rijn , P.J. ( 1983 ) . Pests and their control in no ... | |
 | 1. REUNIAO SUL-AMERICANA DE BOTANICA (1938. (Rio de Janeiro).) - 100 páginas
Ultisols of the USA Southeastern Coastal Plain are sandy , with low water - holding capacity , and typically possess root - restricting hardpans . ... The conservation tillage system of choice on these soils is termed strip - tillage . | |
 | 2001 - 100 páginas
Ultisols of the USA Southeastern Coastal Plain are sandy , with low water - holding capacity , and typically possess root - restricting hardpans . ... The conservation tillage system of choice on these soils is termed strip - tillage . | |
 | 100 páginas
Ultisols of the USA Southeastern Coastal Plain are sandy , with low water - holding capacity , and typically possess root - restricting hardpans . ... The conservation tillage system of choice on these soils is termed strip - tillage . | |
 | John E. Ashburner - 1984 - 502 páginas
No - tillage Research Conference Proceedings , Kentucky , USA , University of Kentucky , 1974. p . 24 . 36. ... SOZA , R.F. , VIOLIC , A.D. , KOCHER , F. , STILWELL , T. Zero- tillage in the maize crop . Mexico , CIMMYT , 1978. 16 p . | |
 | 108 páginas
Pages 14-20 in R.N. Gallaher , ed . Proc . of the third annual no - tillage systems conference . Theme : Energy relationships in minimum tillage systems . University of Florida . Gainesville , BURGOS , C. 1981. Informe Anual . | |
 | 178 páginas
Conservation . Ankeny , NOWAK , P.J. Obstacles to adoption of conservation tillage . Conservation tillage . A Special Issue . Journal of Soil and Water Conservation . Ankeny , Iowa . USA . pp . 62-165 . PEREIRA DE SOUZA , R. 1983. | |
 | 1983 - 248 páginas
Great Plains Conservation Tillage . ... HEPWORTH , HM .; ZINN , T.C .; ANDERSEN , W.L. More wheat from fallow farming USAID . Cregon State University Team . January 1973 . 30. Informe sobre la subregión triguera V sur . | |
 | Sara J. Scherr - 1997 - 348 páginas
Para más información se puede consultar el informe de CENTA , CIMMYT y PRM , " First Fair on Conservation Tillage in Guaymango " , El Salvador , Abril 7 , 1995. Septiembre de 1995 , asi como informes anuales para 1995 del CIMMYT . | |
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