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Green manure/cover crops and crop rotation in conservation agriculture on small farms / Miguel Angel FlorentÃn...[et al.] ; transl. [from the Spanish] by Melissa J. McDonald.
- Food and agriculture organization of the United nations (FAO). Plant production and protection division,
- 2011.
- Rome :
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Conservation agriculture and sustainable crop intensification in Karatu district, Tanzania / Marietha Owenya...[et al.].
- Food and agriculture organization of the United nations (FAO). Plant production and protection division,
- 2012.
- Rome :