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Autor:
E. L. C. Nnabuife, E. C. Orji, C. N. Mbah, I. A. Nweke, E. O. Oweremadu, N. Dambaba, A. I. Ekesiobi
Publikováno v:
African Journal of Agricultural Research. 12:606-616
The effect of tillage methods and rates of wood ash on soil chemical properties and castor bean plant performance was studied in field trial at Abakaliki in three planting seasons. The experiment was a split plot in randomized complete block design w