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Paper Information

Journal:   ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION   2016 , Volume 5 , Number 4; Page(s) 1 To 19.
 
Paper: 

EFFECTS OF SULFUR GRANULAR COMPOST AND NITROGEN ON YIELD AND YIELD COMPONENTS OF TWO WHEAT CULTIVARS, DARYA AND N8019

 
 
Author(s):  MAHMOUDI M.*, RANJKESH N.
 
* DEPT. OF SOIL AND WATER, MAZANDARAN AGRICULTURAL AND NATURAL RESOURCES RESEARCH AND EDUCATION CENTER
 
Abstract: 

Background and Objectives: Application of various composts has been intensified in agriculture, due to manifestation of negative effects of chemical fertilizers on environment and soil fertility. However, their usage should be accompanied by environmental and nutritional studies. To produce maximum yield, most farmers apply nitrogen fertilizer more than the recommended level, which leads to increase production costs, water pollution and the environment. Therefore, proper management of this element due to resource constraint and also due to its high cost, as an input in agriculture, is one of the most important factors in the success of crop production and soil management. Wheat is a very important strategic crop which wide area of the world is assigned to cultivate it each year. The optimal use of fertilizers can lead to significant savings in production costs and preserve the environment. The aim of this study was to evaluate the effect of organic fertilizer, chemical and combination of them on wheat cultivars (N8019 and Darya) to reduce consumption and increase the efficiency of chemical fertilizers.
Materials and Methods: In order to study the effects of sulfur granular compost on yield and yield components of two wheat cultivars, a pot experiment was conducted in a completely randomized factorial design with four replications. The first factor was consisted of three levels of nitrogen (0, 25 and 50 mg/kg of soil as urea), the second one was four levels of compost (0, 5, 10 and 15 g/kg of soil) and the third one was cultivars (Darya and N8019).
Results: Results showed that the maximum number of grains per spike, spike weight, 100-kernel weight, straw yield and biological yield were obtained in 25 mg N/kg of soil treatment.
Conclusion: The greatest grain yield, dry weight and harvest index were achieved with 50 mg/kg nitrogen. Negative effects were observed in the compost-treated plots, so that the maximum spike length and weight shoot dry weight, straw and biological yield were found in the zero level of compost (control) which showed a decrease in the mentioned variables with increasing the compost level. Negative response of wheat to the compost is likely related to the C/N ratio and probably to increase the solubility of heavy metals and/or toxic compounds that resulted in reduce or prevent soil biological activities. Both cultivars showed a positive response to the nitrogen treatment. N8019, however, was significantly superior to Darya.

 
Keyword(s): ORGANIC FARMING, NITROGEN, YIELD, SUSTAINABLE AGRICULTURE
 
 
References: 
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APA: Copy

MAHMOUDI, M., & RANJKESH, N. (2016). EFFECTS OF SULFUR GRANULAR COMPOST AND NITROGEN ON YIELD AND YIELD COMPONENTS OF TWO WHEAT CULTIVARS, DARYA AND N8019. ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, 5(4), 1-19. https://www.sid.ir/en/journal/ViewPaper.aspx?id=509274



Vancouver: Copy

MAHMOUDI M., RANJKESH N.. EFFECTS OF SULFUR GRANULAR COMPOST AND NITROGEN ON YIELD AND YIELD COMPONENTS OF TWO WHEAT CULTIVARS, DARYA AND N8019. ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION. 2016 [cited 2021May18];5(4):1-19. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=509274



IEEE: Copy

MAHMOUDI, M., RANJKESH, N., 2016. EFFECTS OF SULFUR GRANULAR COMPOST AND NITROGEN ON YIELD AND YIELD COMPONENTS OF TWO WHEAT CULTIVARS, DARYA AND N8019. ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, [online] 5(4), pp.1-19. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=509274.



 
 
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