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Paper Information

Journal:   CROP PHYSIOLOGY   summer 2018 , Volume 10 , Number 38 #f00663; Page(s) 95 To 110.
 
Paper: 

Effect of plant growth stimulating bacteria on yield and yield components of rice under different vermicompost levels

 
 
Author(s):  IELKAEI MOHAMMAD NABI*, MEHRI SHAHRAM, espidkar zahra, ANSARI MOHAMMAD HOSSEIN
 
* 
 
Abstract: 
Soil fertilization plays an important role in absorbing nutrients by plant, which is the most important factor in soil fertility, increasing soil organic matter. In this regard, a factorial experiment was conducted in a randomized complete blocks design with three replications in the area around the city of Someh-Sara. Experimental factors included vermicompost consumption levels (without fertilizers 5 and 10 tons per hectare) and the use of plant growth promoting bacteria (non-inoculation, Azotobacter and Azospirilum) for seed inoculation. The results showed that the interaction of vermicompost and bacteria on the amount of leaf chlorophyll, number of tillers, plant length, number of full grain per spike, biological yield and rice yield were significant at one percent probability level. The maximum rice yield was obtained from treatment of 10 tons per hectare of vermicompost + azosporillum with an average of 7096 kilogram per hectare; which was increased by 31. 28 percent compared to control treatment and by the amount of 27. 47 percent of 10 tons per hectare vermicompost application + non-inoculation treatment. Also, the maximum concentration of phosphorus and potassium grain was obtained from treatment of 10 tons per hectare of vermicompost + azosperplum, while the highest grain nitrogen concentration was observed from treatment with 5 tons per hectare of vermicompost + azotobacter. Therefore, according to the results obtained for the maximum yield of rice, application of 10 ton per hectare vermicompost is recommended with seed inoculation with Azospyrilum.
 
Keyword(s): Azospirillum,Azotobacter,Phosphorus,Compost and Nitrogen
 
References: 
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