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close this bookIntensive Vegetable Gardening for Profit and Self-Sufficiency (Peace Corps, 1978, 158 p.)
close this folderChapter three: soil management and improvement
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View the documentOrganic matter in soil management
Open this folder and view contentsOrganic fertilizers
Open this folder and view contentsChemical fertilizers
Open this folder and view contentsComposting
View the documentSoil management program
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