GRAIN QUALITY OF NSIC RC 23 AS AFFECTED BY NUTRIENT MANAGEMENT IN AEROBIC RICE TECHNOLOGY

Josie A. Valdez, John Adrian R. Acuna, Rhuelyn A. Ballaran, Evander M. De Guzman, and Mark Edison M. Villaceran

Abstract

With the problems of water scarcity of good quality rice grains and of environment degradation facing the country, aerobic rice cultivation is one way to fight the problem with proper fertilizer management that are friendly to the environment. A study to evaluate the grain quality applied with different fertilizers in NSIC RC 23 aerobic cultivation was established in a randomized complete block design experiment with 3 treatments and 5 replications. Grains from combination of organic and inorganic had higher percent milling recovery and lesser percent chalky grains, however organically grown grains gad higher percent head rice recovery. The rice starch structure of grains with organic fertilizers as input had better quality compared with inorganically grown grains and highest percent carbohydrates. It also gives 1.3 B/C ratio, the lowest among the treatments, but the eventual impact on the environment should be taken in consideration and still it was not a losing venture. Rice grain quality for long-term application of the different fertilizer combinations should be studied further.