Tillage Systems in the Tropics : Management Options and Sustainability Implications - Rattan Lal (New Delhi Oxford & IBH Publishing Co. Pvt. Limited, 1997)
Rattan Lal: Tillage Systems in the Tropics : Management Options and Sustainability Implications. New Delhi. Oxford & IBH Publishing Co. Pvt. Limited, 1997. 81-204-1222-2--(631.4LAL)
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