Tied-ridging and integrated nutrient management options for sustainable crop production in semi-arid eastern Kenya
2007 ◽
Vol 29
(4)
◽
pp. 173-188
◽
2019 ◽
pp. 67-101
◽
2011 ◽
pp. 473-480
Keyword(s):
1999 ◽
Vol 52
(3-4)
◽
pp. 203-216
◽
Keyword(s):
2011 ◽
pp. 421-425