International Journal of Agricultural Sciences

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Effect of Nitrogen Levels and Cutting Management on Growth and Yield of Multicut Forage Sorghum [Sorghum bicolor (L.) Moench] Variety Cofs-29


Affiliations
1 Department of Agronomy, B. A. College of Agriculture, Anand Agricultural University, Anand (Gujarat), India
     

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A field experiment was conducted during summer season of 2014 at Anand to study the effect of nitrogen levels and cutting management on multicut forage sorghum [Sorghum bicolor (L.) Moench]. Plant height, number of tillers per metre row, leaf : stem ratio, green forage and dry matter yields was recorded with successive increase in N levels upto 120 kg ha-1. The application of 120 kg N ha-1 gave significantly higher growth and yield characters over 60, 80, 100 kg N ha-1. Statistically highest green forage and dry matter yields were obtained with application of 120 kg N ha-1. Cutting management of first cut at 60 days after sowing and 2 intervals at 50 days produced significantly higher green and dry matter yields as well as growth and yield characters. Based on the findings, nitrogen level of 120 kg N ha-1 and cutting management of first cut at 60 days after sowing+2 subsequent cuts at 50 days interval was found to be the better combination for obtaining higher yields of sorghum under middle Gujarat conditions.

Keywords

Cutting Management, Green Forage, Growth, Nitrogen, Yield.
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  • Effect of Nitrogen Levels and Cutting Management on Growth and Yield of Multicut Forage Sorghum [Sorghum bicolor (L.) Moench] Variety Cofs-29

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Authors

Shanna A. Crawford
Department of Agronomy, B. A. College of Agriculture, Anand Agricultural University, Anand (Gujarat), India
Jagruti C. Shroff
Department of Agronomy, B. A. College of Agriculture, Anand Agricultural University, Anand (Gujarat), India
Shital B. Pargi
Department of Agronomy, B. A. College of Agriculture, Anand Agricultural University, Anand (Gujarat), India

Abstract


A field experiment was conducted during summer season of 2014 at Anand to study the effect of nitrogen levels and cutting management on multicut forage sorghum [Sorghum bicolor (L.) Moench]. Plant height, number of tillers per metre row, leaf : stem ratio, green forage and dry matter yields was recorded with successive increase in N levels upto 120 kg ha-1. The application of 120 kg N ha-1 gave significantly higher growth and yield characters over 60, 80, 100 kg N ha-1. Statistically highest green forage and dry matter yields were obtained with application of 120 kg N ha-1. Cutting management of first cut at 60 days after sowing and 2 intervals at 50 days produced significantly higher green and dry matter yields as well as growth and yield characters. Based on the findings, nitrogen level of 120 kg N ha-1 and cutting management of first cut at 60 days after sowing+2 subsequent cuts at 50 days interval was found to be the better combination for obtaining higher yields of sorghum under middle Gujarat conditions.

Keywords


Cutting Management, Green Forage, Growth, Nitrogen, Yield.

References