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标题：Optimizing Yield and Nutrients Content in Tomato by Vermicompost Application under Greenhouse Conditions
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作者：Syed Ishtiaq Hyder , Muhammad Farooq , Tariq Sultan , Arshad Ali , Muhammad Ali , Muhammad Zahid Kiani , Shahbaz Ahmad , Tausif Tabssam
期刊名称：Natural Resources
印刷版ISSN：2158-706X
电子版ISSN：2158-7086
出版年度：2015
卷号：06
期号：07
页码：457-464
DOI：10.4236/nr.2015.67044
语种：English
出版社：Scientific Research Publishing
摘要：Optimizing yield and nutrients content in crop production is the high time demand of arable farming. Vermicompost furnishes one of the most promising alternatives to costly chemical fertilizer. Therefore, a greenhouse experiment was conducted at NARC, Islamabad, to investigate the effect of different levels of vermicompost [having C/N=15/1 and 14 Plant Growth Promoting Rhizobacteria (PGPR)] on growth, yield and nutrients content in hybrid tomato (National Tunnel Tomato-04-08) under greenhouse conditions during Rabi 2015. The data revealed that different rates (0.5 t·ha-1, 1 t·ha-1, 1.5 t·ha-1 and 2 t·ha-1) of vermicompost produced varied and significant (P -1) at the application of 2.0 t vermicompost ha-1 followed by 3.226 t·ha-1 where vermicompost was applied @ 1.5 t·ha-1. N, P and K content in tomato fruit and plant increased significantly with the application of increasing levels of vermicompost. The highest content of N (3.7%), P (0.67%), K (5.17%) in tomato fruit and N (3.4%), P (0.32%), K (3.2%) in tomato plant respectively were registered with soil application of vermicompost @ 2.0 t·ha-1. This study confirms that the vermicompost has a tremendous potential of plant nutrients supply for sustainable crop production.
关键词：Vermicompost; PGPR; Tomato; Yield; Nutrients and Humic Acid