Balanced fertilization strategy in the production of hybrid rice variety
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Date
2023
Authors
Catalina B. Manzano
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Abstract
A combination of organic and inorganic sources of nutrients for rice crops can produce high yields and ensure the production of high=quality of food. This study aimed to determine what appropriate nutrient management practices can obtain the highest yield using organic and inorganic fertilizer combinations. This experiment used five treatments with three replicates and was conducted from February to April 2023 at Barangay Cabisuculan, Science City of Muñoz, Nueva Ecija to examine the effects of IF and chicken manure on the growth and yield components of hybrid rice in clay loam soil with low nitrogen content, low phosphorus, and deficient potassium.
The treatments evaluated were as follows: T1-IF (100-30-60 NPK), T2-OF (5 t/ha), T3-1/2 IF + 1/2 OF, T4-1/3 IF + 1/4 OF, and T5 1/4IF + 1/3OF. Different levels of organic and inorganic fertilizers showed no significant effect on productive and unproductive tillers, the number of unfilled grains and 1000-grain weight. However, there is a significant effect on plant height, number of filled grains, and grain yield in terms of using pure chicken manure. When inorganic and organic fertilizers are applied strategically, the production of rice can be significantly boosted but organic fertilizer alone cannot increase the yield of rice.
Results showed that applying combined fertilizers gave the highest grain yield per hectare with 4.08 t/ha. It has been shown the use of both organic and inorganic fertilizers significantly affects rice yield.