Seminar, Temas173-184R. Thapar, 1974 |
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Página 37
... crop as well as a dense crop canopy and high humidity arising from frequent irrigations , is conducive to the multiplication of pests and pathogens . Therefore , under such conditions , pest management be- comes vital for getting good crops ...
... crop as well as a dense crop canopy and high humidity arising from frequent irrigations , is conducive to the multiplication of pests and pathogens . Therefore , under such conditions , pest management be- comes vital for getting good crops ...
Página 39
... crops ; iii ) crop geometry ; iv ) cropping intensity ; v ) fertilizer use ; and vi ) crop protection including management of weeds , pests and diseases . The scale of farm It has been proved conclusively ponds can be either large or ...
... crops ; iii ) crop geometry ; iv ) cropping intensity ; v ) fertilizer use ; and vi ) crop protection including management of weeds , pests and diseases . The scale of farm It has been proved conclusively ponds can be either large or ...
Página 41
... Crop Response Project . TABLE 2 Percent grain legume N to total N in all arable crops These figures were derived by P. S. Nutman from FAO Production Yearbooks . To obtain the amounts of nitrogen in arable produce , annual yields of ...
... Crop Response Project . TABLE 2 Percent grain legume N to total N in all arable crops These figures were derived by P. S. Nutman from FAO Production Yearbooks . To obtain the amounts of nitrogen in arable produce , annual yields of ...
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