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Performance of upland rice at different fertilization practices
Global Food Security and Sustainability Conference
September 05-07, 2016 Beijing, China
Rocha L V, Temanel Billey E and Desamiro Nenita V
Isabela State University, Echague, Philippines
Posters & Accepted Abstracts: J Food Process Technol
Abstract:
The low yield and unstable yields of upland rice were mainly due to water availability, weed pressure and nutrient stresses or its combination. Nutrients are delivered to the roots primarily by mass flow and diffusion but the delivery rate decreases as the moisture content of the soil decreases. The lower soil moisture content in upland rice cultivation reduces nutrients supply to the roots and resulted in the lower rate of plant uptake. Experiments were conducted to determine the agronomic characteristics and physicochemical analysis of upland rice with the different fertilization practices. Studies were conducted at the Isabela State university, Echague, Isabela, Philippines during the main season 2012 and off-season 2013. The upland rice varieties tested were Pinilisa and Apo in factorial experiment following the fertilization management: Farmerâ??s Practice, Integrated Nutrient Management, Recommended Rate (60-40-30 kg NPK ha-1), and Control. Results showed that variety were significantly affected as to the number of productive and unproductive tillers, number of filled and unfilled grains, 1000 seed weight, grain and straw yield ha-1. Fertilization protocol significantly affected the grain and straw yield. The interaction of variety and fertilization practices on plant height showed that Apo applied with the recommended rate differed significantly with Pinilisa applied with different fertilization practices and Apo applied with Farmerâ??s Practices. Longer panicle was obtained by Pinilisa applied with INM over Apo applied with the different fertilization practices. Apo applied with integrated nutrient management had a higher protein content of 11.5 compared to the farmerâ??s practice (8.4), recommended rate (9.8) and control (8.5).
Biography :
Email: lvrocha121260@yahoo.com