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close this bookSoils, Crops and Fertilizer Use: A Field Manual for Development Workers (Peace Corps, 1986, 338 p.)
close this folderChapter 6: Soil fertility and plant nutrition simplified
View the document(introduction...)
View the documentLet's Make a Deal
View the documentHow plants grow
View the documentAvailable vs. unavailable forms of mineral nutrients
View the documentSoil negative charge and nutrient holding ability
View the documentSoil pH and how it affects crops growth
View the documentImportant facts on the plant nutrients


A Practical Approach

For many farmers and development workers, soil fertility management is one of the more mysterious aspects of crop production. How and when do you apply fertilizers? What kind and how much? What about chemical vs. organic fertilizers? Part II of this manual will cover all of these concerns.