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  1. Key Resource 2014-01-01 In order to achieve high levels of agricultural productivity in the tropics at the lowest possible economic and ecological costs, we need to properly understand the relationship between nutrients in the soil and crop productivity. For this to happen, the current understanding needs to change. The...
  2. This book is meant to help agricultural researchers and extension staff in the selection and application of tools that facilitate decision-making to improve soil fertility management and agricultural productivity. These tools provide valuable additions to traditional approaches in research and...
  3. This Manual treats issues related to a single crop within the farmers' total cropping system. While the Manual features examples from maize and wheat, the procedures can be readily applied to other crops and cropping systems. Although we emphasize biological technologies the procedures also can...
  4. Sustainable crop production intensification can be summed up in the words "save" and "grow." Sustainable intensification means a productive agriculture that conserves and enhances natural resources. It uses an ecosystem approach that draws on nature's contribution to crop growth and applies...