THE STADY OF THE USE OF CHOLOROPHYLLMETER AND LCC FOR N MANAGEMENT IN RICE

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VALYNEZHAD M.; VASEGHI S.; MOHAMMADIAN M.

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ISSN: 2588-4824

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Paper Information

Journal: PLANT AND ECOSYSTEM Year:2012 | Volume:7 | Issue:29-1 (SUPPLEMENT) Page(s): 33-42

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Title

THE STADY OF THE USE OF CHOLOROPHYLLMETER AND LCC FOR N MANAGEMENT IN RICE

Author(s)

VALYNEZHAD M. | VASEGHI S. | MOHAMMADIAN M. | Issue Writer Certificate

Keywords

CHOLOROPHYLLMETERQ2

LCCQ2

N MANAGEMENTQ3

RICEQ2

Abstract

Since the plant reflects the total N-supply from all sources, plant N status can be a good indicator of N availability to crops at any given time. The chlorophyll meter (SPAD) and leaf colour chart (LCC) are simple, portable diagnostic tools that can measure the crop N status in situ in RICE fields to determine the timing of N top dressing. To study optimal N-management an experiment was carried out in RICE Research Institute in mazandaran, in 2009. A test material has been evaluated in a Randomized Complete Block Design with three replications. Shirudi variety was grown under eight treatments, including zero-N control, two splits, chlorophyll meter 35, 37, 40, LCC 4 and 5. Both LCC and SPAD can be used to improve N MANAGEMENT for RICE. The optimal SPAD threshold used to determine the timing of N-application was 37 LCC treatment indicated that N-management based on LCC shade 5 helped to avoid over application of N. It is suggested that when N-management technology such as real time N-management (SPAD and LCC) were used, it would be possible to avoid the over application of N fertilizer by RICE farmers.

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APA: Copy

VALYNEZHAD, M., VASEGHI, S., & MOHAMMADIAN, M.. (2012). THE STADY OF THE USE OF CHOLOROPHYLLMETER AND LCC FOR N MANAGEMENT IN RICE. PLANT AND ECOSYSTEM, 7(29-1 (SUPPLEMENT)), 33-42. SID. https://sid.ir/paper/145244/en

Vancouver: Copy

VALYNEZHAD M., VASEGHI S., MOHAMMADIAN M.. THE STADY OF THE USE OF CHOLOROPHYLLMETER AND LCC FOR N MANAGEMENT IN RICE. PLANT AND ECOSYSTEM[Internet]. 2012;7(29-1 (SUPPLEMENT)):33-42. Available from: https://sid.ir/paper/145244/en

IEEE: Copy

M. VALYNEZHAD, S. VASEGHI, and M. MOHAMMADIAN, “THE STADY OF THE USE OF CHOLOROPHYLLMETER AND LCC FOR N MANAGEMENT IN RICE,” PLANT AND ECOSYSTEM, vol. 7, no. 29-1 (SUPPLEMENT), pp. 33–42, 2012, [Online]. Available: https://sid.ir/paper/145244/en

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