The Effect of Three Types of Compost on Grass Water Use Efficiency

سال انتشار: 1400
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 124

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شناسه ملی سند علمی:

JR_ATIC-1-4_006

تاریخ نمایه سازی: 13 اسفند 1400

چکیده مقاله:

Understanding the physical properties of compost in relation to water retention and their impact on reducing water consumption and increasing plant water use efficiency is important. In order to investigate the effect of using three types of compost (powder, vermicompost and granular) in four levels of ۰, ۵, ۱۰ and ۲۵ tons/ha on the water use efficiency of grass, a factorial project in randomized complete block design was carried out for one year and nine months (۲۰۱۸-۲۰۱۹) in at the station of the Research and Education Center of Agriculture and Natural Resources of Khorasan Razavi. The plant species tested were commercial Hamilton sports grass and was used as a culture medium in the treatments. Before planting, soil samples and compost samples were chemically and physically decomposed and macro and micronutrients were identified for each fertilizer and soil in the area. During the growth period, moisture samples were taken from the soil and irrigations were performed based on the allowable moisture discharge (۵۰% of usable moisture). At the end of the project, the soil was sampled from each plot and the amounts of micro and macro elements were determined. The results of water use in cultivated grass treatments showed that consumption of ۱۰ tons per hectare of vermicompost had the lowest water consumption during the growing period (۴۳۰ mm), which increased water retention in the soil and the amount of water consumption was about ۴۰% less than Control treatment (without fertilizer application). Water use efficiency was measured in different treatments that the highest water use efficiency was related to the treatment of ۵ tons per hectare of powdered compost at the rate of ۷.۴ kg/m۳ of water.

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نویسندگان

Mohammad Hossein Rahimian

Khorasan-Razavi Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Mashhad ,Iran

Masoud Dadivar

Khorasan-Razavi Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Mashhad ,Iran

Hamid Reza Zabihi

Khorasan-Razavi Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Mashhad ,Iran

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