na INLIS000000000000958 Ind 0010-1118000958 Green manure/cover crops and crop rotation in conservation agriculture on small farms FOOD AND AGRICULTURE ORGANIZATION Miguel Angel Florentin ... [et al.] Food and Agriculture Organization Rome FAO 2011 viii, 97 p. : ill. ; 25 cm.-- viii, 97 p. : ill. ; 25 cm.-- ISBN 978-92-3-106856-4 Sr. FAO 631.47 Bibl.: p. 95-97 631.47 SMALL FARS GREEN MANURES COVER CROPS CROPPING SYSTEM SUSTAINABILITY 463/FAO/2011-mfn1637 463/FAO/2011-mfn48862 463/FAO/2011-mfn50183