Nutrient and soil organic matter dynamics under shifting cultivation in semi-arid northeastern Brazil
1992 ◽
Vol 38
(3)
◽
pp. 139-151
◽
Keyword(s):
2004 ◽
Vol 50
(8)
◽
pp. 1211-1218
◽
2015 ◽
Vol 2
(1)
◽
pp. 43-53
2015 ◽
Vol 2
(1)
◽
pp. 43-53
2005 ◽
Vol 57
(5)
◽
pp. 693-707
◽