Ratooned adlai production under different fertilizer schemes in acidic marginal upland conditions
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Abstract
Field tests were determined the effect of fertilizer applications on the production performance of ratooned Adlai (Guinampay variety) grown in marginal land. The results revealed that using goat manure at a rate of 5 t/ha-1 significantly increased the plant height (219.80 cm) and yield (2.02 t/ha-1) of the ratooned Adlai (P<0.01) compared to the control treatment with a 0.78 t/ha-1 yield. The net income of 5 t/ha-1 of goat manure obtained to be amounted to 65,337 pesos per hectare and returned on investment of 183.21 percent. Inorganic fertilizer application at 60-60-60 NPK had comparable affected to a 5 t/ha-1 application in agronomic characteristics and yield performance. However, adding goat manure at a rate of 2.5 t/ha-1 was significantly increased in yield compared to the control treatment that obtained 1.58 t/ha-1 and a 199.20 returned on investment
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