Effect of shahrekord municipal wastewater on soil some macronutrients and on pepper growth and yield
سال انتشار: 1388
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 1,316
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شناسه ملی سند علمی:
ICAWTR01_109
تاریخ نمایه سازی: 20 اردیبهشت 1390
چکیده مقاله:
Reuse of wastewater and treated effluents for agricultural irrigation has become an essential method to overcome the problems of water shortage, irrigation water supply and environmental pollution control. Wastewater has been recognized to have direct effects on soil chemical properties. It supplies plant nutrients and organic matter to soil and affects soil pH and salinity. In managing wastewater irrigation, the wastewater nutrients contents, crop nutrients requirements, soil nutrient contents and other soil fertility parameters should be considered. In order to investigate the effects of Shahrekord treated municipal wastewater on soil chemical properties and on chilli pepper growth and yield a pot experiment was carried out. A completely randomized design with 5 treatments and 4 replicates was used. Five treatments included different percentages of wastewater (0, %25, %50, %75 and %100) in irrigation water. The results indicated that soil available phosphorus and potassium; and soil total nitrogen decreased with decreasing the percent of wastewater in irrigation water and at the end of the growing season only irrigation with 100 percent wastewater compensated the phosphorus removal by chilli pepper. Chilli yield, root and shoot dry and fresh weights increased with increasing the percent of wastewater in irrigation water.
کلیدواژه ها:
نویسندگان
M Moradmand
Department of Soil Science, Shahrekord University, Shahrekord, Iran
H Beigi Harchegani
Department of Soil Science, Shahrekord University, Shahrekord, Iran
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