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April 2018 Vol. 6 No.4

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Merit Research Journal of Agricultural Science and Soil Science (ISSN: 2350-2274) Vol. 6(4) pp. 032-040, April, 2018

Copyright © 2018 Merit Research Journals

Original Research Article

Influence of Perl Humus Levels on Growth and Yield of Irrigated Lowland Rice (Oryza sativa) Varieties

 
 
 

Mohammed Abdulla Abdulkareem

 

Department of Soil Sciences and Water Resources, College of Agriculture, University of Basrah, IRAQ

E-mail: mohamedlaith570@yahoo.com

Accepted April 11, 2018

 

Abstract

 

A field experiment was carried out in two successive seasons of 2016 and 2017 in Meshkab region, Najaf province, Iraq to study the effect of different fertilizer treatments on the performance of two rice varieties. Rice varieties included Anber-33 and Yassmin, while fertilizer treatments included: 800 kg Perl humus ha-1(T1); 100 kg Perl humus ha-1 (T2); 1200 kg Perl humus ha-1 (T3) and recommended chemical fertilizers (T4). All the growth and yield parameters differed significantly due to variety. Anber-33 produced the longer plant height, maximum number of tiller, maximum straw yield, and maximum grains per panicle. However, Yassmin gave the longer panicle, maximum grain yield, and have 1000-grain weight. Data also showed that the application of different levels of Perl humus increased soil fertility indices (organic C, available N, and available P) and rice growth and yield, as compared to chemical fertilization treatment. Increasing Perl humus level, increased growth and yield parameters. Maximum grain yield (7.21 and 6.54 t ha-1) at the two seasons, were obtained from 1200kg Perl humus ha-1, but it was statistically at par with 1000 kg Perl humus ha-1. The combination of varieties and fertilization treatments indicated that the variety Yassmin was more responsive to Perl humus to produce better yield (8.02 and 7.26 t ha-1) for the two seasons, as well as reduced fertilizer cost. In view of the results obtained in this study, it might be suggested that rice of both varieties can be grown organically under conditions of the study area.

Keywords: Available nutrients, Grain yield, Humic acid, Rice varieties, Straw yield






















 








 




 

 
 


























 
 

 
 
   
   
   
   
   
   
   
   
   
   
   
 
 
 
 
 
 
 
 
   
 
                         

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