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2018-08-05
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Key Resource2002-01-01 Acidification of soil is a natural process with major ramifications on plant growth. As soils become more acid, particularly when the pH drops below 4.5, it becomes increasingly difficult to produce food crops. As soil pH declines, the supply of most plant nutrients decreases while aluminum and a...
- Also available in:
- English (en)
- Français (fr)
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This training gives a broad overview and introduction to some basic soil characteristics: phases (solid, liquid, gas), texture, density, structure, reaction (pH), plant-water relationships, organic matter, and nutrients. After some classroom discussion we wentout to into the ECHO Farm wherewe...
- Also available in:
- English (en)
- ไทย (th)
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1976-01-19 The proper management of soils in the tropics is one of the critical and least understood components in the worldwide race between food production and population growth. This book compiles the available information on properties and management of tropical soils, with emphasis on ways to increase...
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TropicalSoils. Lush growth on top, but not fertile soil…Tropicalsoils are found under very hot conditions, and high yearly rainfall. They are the worlds oldest..
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1980-01-01 Among its other activities, FAO has focused on developing natural resources and approaches for their better utilization in order to increase food production in developing countires.This FAO book contains technical papers on soil and plant testing services in many different countries. Also...
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The focus of this pack is agroforestry-the planting of trees and other woody plants on farms to help improve soil fertility and protect it against erosion, while simultaneously helping to meet the needs of farming families.
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2002-01-01 This book includes question and answers on how to improve and maintain tropical soil fertility. It also includes activity guides and a resource listing.
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1983-01-01 In 1976 a comprehensive soil survey of the Kingdom of Tonga was done by the N.Z. Soil Bureau.This booklet describes the kinds of soils which are found in the Kingdom of Tonga, how they have been formed, where they occur in the landscape, and their good and bad features.
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This video is Session 2 part 2 of our ongoing training on "Introduction to Soil Science." This training gives a broad overview and introduction to some basic soil characteristics: phases (solid, liquid, gas), texture, density, structure, reaction (pH), plant-water relationships, organic matter,...