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Information Journal Paper

Title

ESTIMATION OF EXTINCTION COEFFICIENT AND RADIATION USE EFFICIENCY IN FIELD-GROWN CHICKPEA

Pages

  211-221

Abstract

 The objective of this study was to obtain baseline values for EXTINCTION COEFFICIENT (Ks), RADIATION USE EFFICIENCY (RUE, g MJ-1) of chickpea crops grown under well-watered conditions. The stability of these parameters during the crop life cycle and under different environmental and growth conditions created by season and sowing date and density, were evaluated. Field experiment, with three sowing dates (6 Dec.2003, 20 Jan.2004 and 21 Mar. 2004) and four plant densities (15, 30, 45 and 60 plants m-2), were conducted during 2003-2004. Crop leaf area index, light interception, and crop BIOMASS were measured between emergence and maturity. Ks declined with an increase in solar elevation and plant density. Average Ks and RUE respectively 0.5 and 1 g MJ-1 were obtained. Plant density had no effect on RUE, but some effects of temperature were detected. There was no effect of solar radiation or vapor pressure deficit on RUE when RUE values were corrected for the effect of temperature. RUE was constant during the whole crop cycle.

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    APA: Copy

    RAHEMI KARIZAKI, A., SOLTANI, AFSHIN, POURREZA, JAFAR, & ZEYNALI, E.. (2008). ESTIMATION OF EXTINCTION COEFFICIENT AND RADIATION USE EFFICIENCY IN FIELD-GROWN CHICKPEA. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 14(5), 211-221. SID. https://sid.ir/paper/8887/en

    Vancouver: Copy

    RAHEMI KARIZAKI A., SOLTANI AFSHIN, POURREZA JAFAR, ZEYNALI E.. ESTIMATION OF EXTINCTION COEFFICIENT AND RADIATION USE EFFICIENCY IN FIELD-GROWN CHICKPEA. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2008;14(5):211-221. Available from: https://sid.ir/paper/8887/en

    IEEE: Copy

    A. RAHEMI KARIZAKI, AFSHIN SOLTANI, JAFAR POURREZA, and E. ZEYNALI, “ESTIMATION OF EXTINCTION COEFFICIENT AND RADIATION USE EFFICIENCY IN FIELD-GROWN CHICKPEA,” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 14, no. 5, pp. 211–221, 2008, [Online]. Available: https://sid.ir/paper/8887/en

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