Major practice in Organic rice production [manuscript]
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Date
2017
Authors
Denamr N. Daag
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Abstract
The major practice was conducted at the Agronomy Soil and Plant Physiology Division (ASPPD) in Philiipine Rice Research Institute (PhilRice)- Long Term Organic Farming (LTOF) in Maligaya Science City of Muñoz, Nueva Ecija during the dry season (DS). The objectives of the major practice; 1) to develop skills and enhance the knowledge on organic rice production practices, 2) to acquire hands on experience in different activities related to organic farming practices such as macro and micro nutrient analysis related to the scientific conduct of field experiments 4) to present the cost and return analysis of organic rice production.
The main activity of the major practice student was the experience in the conduct of organic production and perform laboratory activities useful in scientific conduct of field experiment and presentation of cost and return analysis using azolla as source of organic fertilizer. The azolla was the source of organic fertilizer. Azolla has 2.5-5.3% of (N) Nitrogen and 0.16-1.59% of (P) Phosphorus and 0.4-6.0% of (K) Potassium per 100 kg of azolla. help to increase the number of tiller of rice during tillering stage.
The average yield using Azolla as nutrient source in 400 m2 of PSB Rc82 ranged from 3-4 t ha1 compared to 5-4 t ha1 average yield. The cost and return analysis using milled rice has a gross income of Php 72,000.00, with the total operating expenses of Php 70,625.83, with a net income of of Php 1,274.17. The cost of labor and materials inputs were not very high compared to rice straw and chicken manure (Sumawang, 2017; and Mercado 2017) wherein the results produced were negative.