Title: Agronomic and physiological responses of rice (Oryza sativa L.) under different water management systems, fertilizer types and seedling age.
Subject:
rice grain yield seedling age fertilizer water managementTags (theses)
Author/s: Kyi Mon Mon Ko
PR-T
2013
T - Agron 50
SEARCA Library
TD
University of the Philippines, Los Baños,
December 2013
College, Laguna:
A field experiment was conducted from March to June 2013, at the farm of Agri park, College of Agriculture, Central Experimental Station (CES), Crop Science Cluster of the University of the Philippines, Los Baños, College Laguna to evaluate the agronomic and physiological responses of rice under different water management system, types of fertilizer and seedling age. The two types of fertilizer (vermicompost and chemical fertilizer), water management (with and without standing water) and two seedling ages (10-14 day old) were the treatments in the experiment. Chemical fertilizer produced the highest plant height, number of tillers and number of productive tillers hill-1, longest panicle -1, highest one thousand grain weight, and grain yield, leaf dry weight, total dry matter, leaf area inde, net assimilation rate and crop growth rate. Most of these characters significantly increased in 10-day old seedlings without standing water. There were no significant differences in number of leaves on the main culm and HI due to fertilizer type, water managements, seedling ages and their interactions. For the variety NSIC Rc 216, the use of 10-day old seedlings grown without standing water with chemical fertilizer is the optimum conditions for the better and high productivity.
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