Report copyright - African Agriculture in the 21 Century · 2001. 5. 17. · 30x30 1.7 0.09 115 38 CONTIN. FLOODING (1800 mm) 40x40 1.3 0.07 110 7 Average 1.8 0.10 115 50 20x20 7.3 0.73 120 537 30x30
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