Indian Journal of Agricultural Research

  • Chief EditorT. Mohapatra

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  • Online ISSN 0976-058X

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Indian Journal of Agricultural Research, volume 51 issue 4 (august 2017) : 388-391

Effect of calcium, magnesium and boron on nutrient uptake and yield of rice in Kole lands of Kerala

Pujari Shobha Rani, A. Latha
1<p>Department of Agronomy, College of Horticulture,&nbsp;Vellanikkara, Thrissur- 680 656, Kerala, India</p>
Cite article:- Rani Shobha Pujari, Latha A. (2017). Effect of calcium, magnesium and boron on nutrient uptake andyield of rice in Kole lands of Kerala . Indian Journal of Agricultural Research. 51(4): 388-391. doi: 10.18805/ijare.v51i04.8429.

The Kole lands a unique wetland ecosystem of Kerala, is located 0.5-1.0m below mean sea level. An experiment was conducted in College of Horticulture, Vellanikkara, Kerala to study the influence of secondary and micronutrients viz. calcium, magnesium and boron on nutrient uptake and yield of rice in Kole lands. Six treatments including the soil test based nutrient application, package of practices recommendation (POPR) of Kerala Agricultural University for rice, combinations of the POPR with magnesium, calcium silicate, boron and absolute control were applied in the crop in a randomized block design with three replications. Higher uptake of nutrients especially primary and micronutrients were noticed by boron and calcium silicate application and lower uptake of Fe and Mn, thereby resulted in higher grain yields of 7.67 t/ha and 7.18 t/ha respectively and straw yield was higher by application of magnesium. Correlation analysis revealed that total uptake of boron, calcium and magnesium had positive and significant correlation with yield whereas negative correlation existed between Fe uptake and yield.

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