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  1. Small holder farmers and practitioners from Tanzania share agroecology best practices to improve soil fertility. English Subtitles
  2. Pendahuluan Sifat-sifat kimia, fisik, dan biologis tanah berkisar mulai dari yang sangat menguntungkan hingga yang sangat tidak menguntungkan pertumbuhan tanaman. Terutama di kawasan tropis – kita jarang menemukan tanah yang dalam keadaan alaminya memiliki semua sifat yang menguntungkan tanaman....
  3. Access Agriculture Training Video Demi-lunes (half-moons) are in the shaped of a semi-circle with the tips of the bunds on the contour. They come in a variety of sizes, which help with water harvesting in semi-arid areas. They help to improve soil fertility when manure or compost is added. ...
  4. Sumber Daya Utama 01 Januari 2014 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...
  5. 01 Oktober 2000 64 pages, illustrated, photos Policy and Best Practice Document 7
  6. 01 Januari 2004 This notebook contains three sections, integrated soil and fertility management, belowground biodiversity, and participatory research and scaling up of soil fertility restoration technologies. Notebook, various page numbers, illustrated
  7. 01 Desember 2001 A series of articles on soil organic matter and nitrogen availability in agroforestry systems, cycling of subsoil nutrients and rooting, phosphorus supply and availability, and organic sources of nutrients. 2 volumes Part I, Research publications in international journals Part 2, Reviews
  8. Eight full papers and extended summaries of ten more from a November 1992 symposium in Minneapolis wrestle with what soil quality means in theory and practice, identify indices to measure it, and assess its biological importance. The collection is seen as the beginning of raising scientific study...
  9. Proceedings of a symposium sponsored by Divisions S-4 and C-6 of the Soil Science Society of America, Crop Science Society of America, And the American Society of Agronomy, in Anaheim, CA, 28 Nov.-Dec. 1982. This publication is a compilation of papers presented at a symposium held at the 1982...
  10. Four nutrient deficiencies--phosphorus, potassium, nitrogen, and magnesium--can be diagnosed by observing maize leaves. This document includes photos of a healthy maize leaf and of maize leaves demonstrating each of these nutrient deficiencies. It also contains suggestions for how to address each...