Productivity of open-pollinated white corn (Zea mays L.) applied with calcitic lime and zinc
2025
Pabellon, J. M. L. | Gonzaga, N. R. | Silverio, B. G. S. | Gonzaga A. B. Jr. | Vergara, J. R. M. | Tuaño, A. P. P.
For agricultural areas where white corn production becomes limited due to an acid soil, establishing a proper nutrient management protocol holds significance to improve maize performance while enhancing its nutritional value. Results revealed that enhanced fertilization which significantly affected the yield performance of OPV white corn in Claveria, Misamis Oriental. The study concluded that applying full RR NPK at 180-90-60 rate + calcitic lime at 70 kg ha-1 + Zn at 5 kg ha-1 (T5) provided the highest harvest index at 0.32 and subsequently attained higher yield performance of the crop at 5.94 t ha-1. However, the use of half RR NPK with Zn at 5 kg ha-1 (T7) accounted higher return by 66.83% per peso from investment as it would be recommended.
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