COWPEA, COMMON BEAN AND MUNG BEAN RADIATION USE EFFICIENCY, LIGHT EXTINCTION COEFFICIENT AND RADIATION INTERCEPTION IN DOUBLE CROPPING

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ALIMADADI A.; ROSTAM ZA M.; JAHANSOUZ M.R.; AHMADI A.; TAVAKOL AFSHARI R.

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Journal: Year:2006 | Volume:19 | Issue:2 (71 IN AGRONOMY AND HORTICULTURE) Page(s): 67-75

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Title

COWPEA, COMMON BEAN AND MUNG BEAN RADIATION USE EFFICIENCY, LIGHT EXTINCTION COEFFICIENT AND RADIATION INTERCEPTION IN DOUBLE CROPPING

Author(s)

Keywords

RADIATION USE EFFICIENCYQ2

LIGHT EXTINCTION COEFFICIENTQ3

PAR INTERCEPTIONQ3

COWPEAQ2

COMMON BEANQ2

MUNG BEANQ2

Abstract

Crop growth modeling for forecasting various plant's functions and their contribution to yield, is one of the ways to improve field management. This trial was set up to evaluate RADIATION USE EFFICIENCY of MUNG BEAN, COMMON BEAN and COWPEA cultivars in a double cropping system. Field experiment was conducted at Research Farm of College of Agriculture, University of Tehran, Karaj. A 4-replicate group balanced block field experiment was set up. Results showed that the differences among three pulses were significant in terms of biomass (p<0.05). COWPEA, producing 5876.8 Kg/ha, had the highest yield among the species used in this study. Comparison of grain yield observed in this experiment with mono crop yield potential, showed that COWPEA, COMMON BEAN and MUNG BEAN produced 40%, 37% and 58% of their mono crop grain yield potential, respectively. In the late vegetative growth period, COWPEA, MUNG BEAN and COMMON BEAN absorbed 90%, 33% and 36% of photosynthetic active radiation, respectively. There was a significant difference among pulses, in terms of their RADIATION USE EFFICIENCY and LIGHT EXTINCTION COEFFICIENT (p<0.05 and p<0.01, respectively). COWPEA, COMMON BEAN and MUNG BEAN had radiation use efficiencies of 0.84, 0.82 and 0.99, g/MJ and LIGHT EXTINCTION COEFFICIENTs of 0.605, 0.344 and 0.458, respectively. Results indicated that in some cultivars, when K decreases and LAI increases, LUE might be increased twice.

Cites

THE EFFECT OF SOWING DATE AND WEED INTERFERENCE ON GROWTH INDICES OF DIFFERENT RED BEAN (PHASEOLUS VULGARIS L.) CULTIVARS

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APA: Copy

ALIMADADI, A., ROSTAM ZA, M., JAHANSOUZ, M.R., AHMADI, A., & TAVAKOL AFSHARI, R.. (2006). COWPEA, COMMON BEAN AND MUNG BEAN RADIATION USE EFFICIENCY, LIGHT EXTINCTION COEFFICIENT AND RADIATION INTERCEPTION IN DOUBLE CROPPING. PAJOUHESH-VA-SAZANDEGI, 19(2 (71 IN AGRONOMY AND HORTICULTURE)), 67-75. SID. https://sid.ir/paper/19014/en

Vancouver: Copy

ALIMADADI A., ROSTAM ZA M., JAHANSOUZ M.R., AHMADI A., TAVAKOL AFSHARI R.. COWPEA, COMMON BEAN AND MUNG BEAN RADIATION USE EFFICIENCY, LIGHT EXTINCTION COEFFICIENT AND RADIATION INTERCEPTION IN DOUBLE CROPPING. PAJOUHESH-VA-SAZANDEGI[Internet]. 2006;19(2 (71 IN AGRONOMY AND HORTICULTURE)):67-75. Available from: https://sid.ir/paper/19014/en

IEEE: Copy

A. ALIMADADI, M. ROSTAM ZA, M.R. JAHANSOUZ, A. AHMADI, and R. TAVAKOL AFSHARI, “COWPEA, COMMON BEAN AND MUNG BEAN RADIATION USE EFFICIENCY, LIGHT EXTINCTION COEFFICIENT AND RADIATION INTERCEPTION IN DOUBLE CROPPING,” PAJOUHESH-VA-SAZANDEGI, vol. 19, no. 2 (71 IN AGRONOMY AND HORTICULTURE), pp. 67–75, 2006, [Online]. Available: https://sid.ir/paper/19014/en

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