Farmers' Eco-Strategies with Regard to Water, Nutrients and Sustainability: A Case-Study of Low-Resource Agriculture in the Dry Zone of Sri Lanka
1993 ◽
Vol 75
(3)
◽
pp. 163
◽
1993 ◽
Vol 75
(3)
◽
pp. 163-176
1983 ◽
Vol 28
(1)
◽
pp. 51-70
2018 ◽
Vol 4
(1)
◽
pp. 295-313
◽