Developing and testing white corn varieties and other alternative staples in small hold annual crop-based upland farms in Quezon Province [Philippines]
2014
Aguilar, E.A. | Sta. Cruz, P.C. | Edaño, M.S. | Magnaye, A.M.A. | Santiago, D. | Libuit, R.M. | Baer, B.T. | Garcia, G.R.
The experiments conducted in three open upland areas in Tayabas [Philippines] evaluated the effect of different fertilizer treatments to corn and cassava. Included in the treatments are Farmers' Practice (0 fertilizer for cassava and sub-recommended rate for corn), FP + biofertilizer (Bio-N for corn and Mykovam for cassava) and recommended rates of inorganic fertilizer (RR). Although no significant fertilizer effect on total dry matter accumulation at harvest was observed, RR resulted in the highest yield in corn, followed by FP + Bio-N, but with no significant difference between the two. In cassava, significant difference was only obtained in stem girth. While Mykovam alone was not enough to increase stem girth, addition of 25% RR to Mykovam managed to increase stem girth similar to that of RR. Extrapolating previously reported positive correlation between stem girth and yield, the use of only 25% RR + Mykovam can potentially produce yields similar to plants applied with 100% RR. The promising results in corn and cassava show that addition of biofertilizer input can potentially achieve yields like that in RR with minimal additional cost.
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