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Influence of integrated Agronomic Management practices on Physiological and Nutrient uptake of red gram under Alkali soil

Author Affiliations

  • 1Krishi Vigyan Kendra, Vridhachalam-606001, Tamil Nadu, India

Res. J. Agriculture & Forestry Sci., Volume 4, Issue (3), Pages 1-6, March,8 (2016)

Abstract

The experiment was conducted at Anbil Dharmalingam Agricultural College and Research Institute, Thiruchirapalli during 2011 and 2012 with the aim to study effect of various agronomic management techniques on nutrient uptake and physiological growth parameters viz., Crop growth rate (CGR), Relative growth rate (RGR) and Net assimilation rate (NAR) and nutrient uptake (nitrogen, phosphorus and potassium) of red gram. The experiment was laid out on randomised block design with three replications. The treatments consisted in these experiment are green manure (daincha) incorporated at 45 DAS @6.25 t/ha, 125 % Recommended dose of N (31 kg of N/ha), green manure (daincha) incorporated at 45 DAS + 125 % Recommended dose of N, 45 cm depth of sub soiling at 0.5 m interval at every year, 12.5 Kg/ha of TNAU micro nutrient mixture, 125 % Recommended dose of N + sub soiling at 45 cm depth + 12.5 Kg/ha of TNAU micro nutrient mixture and 125 % Recommended dose of N + 45 cm depth of sub soiling +12.5 Kg/ha of TNAU micro nutrient mixture + green manure (daincha) incorporated at 45 DAS were compared with control. The results of the study revealed that 125 % Recommended dose of N + sub soiling at 45 cm depth at 0.5 m interval at every year + TNAU micronutrient mixture @ 12.5 kg/ha + green manure (daincha) incorporated at 45 DAS@ 6.25 t/ha recorded higher growth attributes (CGR,RGR and NAR) and nutrient uptake (available N, available P and available K and yield of red gram under alkali soil(426 kg/ha and 486 kg/ha)during the year of 2011 and 2012 respectively.

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