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2018•Russian Journal of Agricultural and Socio-Economic SciencesOpen access

CROP GROWTH PARAMETERS OF GRAIN SORGHUM VARIETIES (SORGHUM BICOLOR (L.) MOENCH) AT DIFFERENT CROP SPACING

Roddialek Pollo, S.M. Sitompul, Bambang Guritno, Y.S. Tyasmoro

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Abstract

This research aimed at determining morphology, yield and photosynthesis partition of sorghum varieties at different crop spacing had been done at Agro Techno Park of University of Brawijaya (East Java, Indonesia).Observations on crop growth parameters were performed for 4 times (25, 50, 75, and 100 days after planting) which consisted of total leaf area, specific leaf area, leaf area index, crop growth rate and net assimilation rate.The crop spacing of 70 cm x 25 cm proved to provide better value for most parameters, except for crop growth rate and specific leaf area which used 70 cm x 15 cm crop spacing.

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This research aimed at determining morphology, yield and photosynthesis partition of sorghum varieties at different crop spacing had been done at Agro Techno Park of University of Brawijaya (East Java, Indonesia).Observations on crop growth parameters were performed for 4 times (25, 50, 75, and 100 days after planting) which consisted of total leaf area, specific leaf area, leaf area index, crop growth rate and net assimilation rate.The crop spacing of 70 cm x 25 cm proved to provide better value for most parameters, except for crop growth rate and specific leaf area which used 70 cm x 15 cm crop spacing.

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Available abstract

This research aimed at determining morphology, yield and photosynthesis partition of sorghum varieties at different crop spacing had been done at Agro Techno Park of University of Brawijaya (East Java, Indonesia).Observations on crop growth parameters were performed for 4 times (25, 50, 75, and 100 days after planting) which consisted of total leaf area, specific leaf area, leaf area index, crop growth rate and net assimilation rate.The crop spacing of 70 cm x 25 cm proved to provide better value for most parameters, except for crop growth rate and specific leaf area which used 70 cm x 15 cm crop spacing.

Key concepts: Sorghum, Crop, Sowing, Agronomy, Leaf area index, Crop yield, Mathematics, Sorghum bicolor

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