Reducing Nitrogen Fertilizers with Chlorophyll Meter for Determining Health Production

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Shahabifar Jafar; TEHRANI MOHAMMAD MEHDI

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Journal: JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY Year:2020 | Volume:22 | Issue:7 (98) Page(s): 103-111

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Title

Reducing Nitrogen Fertilizers with Chlorophyll Meter for Determining Health Production

Author(s)

Shahabifar Jafar | TEHRANI MOHAMMAD MEHDI | Issue Writer Certificate

Keywords

Chlorophyll MeterQ2

EnvironmentQ1

NitrateQ2

PollutionQ2

WheatQ2

Abstract

Background and Objective: Excessive use of nitrogen pollutes water, soil and plant resources. One of the appropriate solutions in determining the correct and timely amount of nitrogen fertilizer is the use of Chlorophyll Meter. The purpose of this study is to reduce the use of nitrogen fertilizers and prevent Nitrate leaching and its entry into groundwater sources. Method: Using chlorophyll assay in leaves, an experiment using 6 treatments of nitrogen fertilizer including: 50, 150, 100, 200, 250 and 300 kg per hectare of urea source in a randomized complete block design with three replications, two locations and It ran for a year. At the stem stage, the chlorophyll in the leaves of the Wheat flag was read using a Chlorophyll Meter. Considering the number 45 as a reference, the amounts of nitrogen road fertilizer at the stem stage were calculated and, if necessary, provided to experimental plots. Findings: With the recommendation of nitrogen fertilizer road using Chlorophyll Meter, Nitrate concentration in soil and plants was reduced. In this study, the nitrogen fertilizer road recommendation was saved so that in the application treatments of 250 and 300 kg / ha nitrogen fertilizer was 25 and 21%, respectively. Discussion and Conclusion: By using Chlorophyll Meter in recommending nitrogen fertilizer road in Wheat, significant savings can be achieved in consumption. This will produce a healthy crop with less Nitrate and prevent Nitrate from entering groundwater.

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APA: Copy

Shahabifar, Jafar, & TEHRANI, MOHAMMAD MEHDI. (2020). Reducing Nitrogen Fertilizers with Chlorophyll Meter for Determining Health Production. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, 22(7 (98) ), 103-111. SID. https://sid.ir/paper/393535/en

Vancouver: Copy

Shahabifar Jafar, TEHRANI MOHAMMAD MEHDI. Reducing Nitrogen Fertilizers with Chlorophyll Meter for Determining Health Production. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY[Internet]. 2020;22(7 (98) ):103-111. Available from: https://sid.ir/paper/393535/en

IEEE: Copy

Jafar Shahabifar, and MOHAMMAD MEHDI TEHRANI, “Reducing Nitrogen Fertilizers with Chlorophyll Meter for Determining Health Production,” JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, vol. 22, no. 7 (98) , pp. 103–111, 2020, [Online]. Available: https://sid.ir/paper/393535/en

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