Journal of Environmental Biology

Impact of zinc application methods on green gram (Vigna radiata L.) productivity and grain zinc fortification

P. Deb Roy¹*, R.P. Narwal¹, R.S. Malik¹, B.N. Saha1 and S. Kumar²

¹Department of Soil Science, CCS Haryana Agricultural University, Hisar-125 004, India

²Department of plant pathology, G. B. Pant University of Agriculture and Technology, Pantnagar-263 145, India

*Corresponding Author E-mail: partha.slg09@gmail.com

Publication Data

Paper received:

26 February 2013

Revised received:

30 June 2013

Re-revised received:

08 September 2013

Accepted:

05 October 2013

Abstract

Application of Zn  @ 0, 5.5 kg, 22 kg Zn ha^-1, 0.1% Zn foliar application, 5.5 kg Zn + 0.1% Zn spray, increased the yield, concentration and its uptake in seed and straw in all the green gram genotypes. However, combined application of 5.5 kg Zn ha^-1 + 0.1% Zn as foliar increased the straw yield by 56.4% and seed yield by 57%, which was the highest. Maximum Zn concentration in straw and seed (5.48 and 3.5 folds over control) was achieved when combined application of soil + foliar was made. Soil + foliar application of Zn increased the seed crude protein by 26.9% over control. Seed and straw Zn content showed a significant and positive correlation with all yield attributes except branches per plant. 

 Key words

Green gram, Protein, Yield, Zn fortification

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