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Control Number56193
Date and Time of Latest Transaction20060619142021.8
General Information060619s |||||||||b ||00|||
Cataloging SourcePCARRD-DOST
Main Entry - Personal NameAlferez, Arturo
Main Entry - Uniform TitleENGLISH
Title StatementEffects of Leucaena leaves fertilization on transplanted lowland-rice and release of soil nitrogen
General NoteCollege, Laguna: UPLB, [1982]. var.p. -(IDRC-PCARR 1004-88-818-99; PCARR 89-152-31, Sub-Project 5, S
Summary, Etc.Five field experiments were conducted to evaluate the effect of ipil-ipil leaves as organic fertilizer when applied at varying periods on the yield and yield components of four rice varieties: IR-36, IR-42, IR-58 and UPLri-2. The physical properties of the soil affected by the different treatments and the efficiency of ipil-ipil leaves fertilizer versus inorganic oil-based fertilizer were also considered. Four treatments were compared on the time of ipil-ipil leaves application with the application of ammonium sulfate at transplanting and the control (unfertilized) using two levels of nitrogen (N) 60 and 120 kg/ha. Experiment I showed that incorporation of ipil-ipil leaves at 120 kg N/ha one week before transplanting gave a high yield of 7.32 t/ha for IR-42. Ipil-ipil leaves could give comparable yield with that of ammonium sulfate. Experiment 2, (split application of ipil-ipil leaves) showed that applying ipil-ipil leaves, 2/3 at two weeks before transplanting and 1/3 at 20 days after transplanting gave the highest mean yield for IR-42 of 7.28 t/ha. Using IR-58 and UPLri-2 for experiment 3 showed that the two varieties could have a high yield (7.78 and 7.39 t/ha, respectively) comparable to that of inorganic fertilization with 60 kg N/ha fertilizer rate. Experiment 4 showed that ipil-ipil leaves fertilization was more efficient than inorganic fertilization. Statistical analysis, however, showed no significant differences in all treatments for all the experiments conducted
Subject Added Entry - Topical TermORYZA SATIVA
 FERTILIZER APPLICATION
 LEUCAENA LEUCOCEPHALA
Added Entry - Personal NameMabbayad, Basilio B.
 Lao-lao, M. B.
LocationDOST PCARRD
  
     
 
Physical Location
Department of Science and Technology
Philippine Council for Agriculture, Forestry and Natural Resources Research and Development
  
     
 
Digital Copy
Not Available
  
     
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