Influence of Soil Test Based Fertilization on Soil Fertility and Productivity of Rice
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Author:K.K. Deshmukh, N.K. Bisen and S.K. Chourasia
p-ISSN:0024-9602, e-ISSN:2582-5321, Vol:99, Issue:oct-dec
DOI: https://doi.org/10.29321/MAJ.10.100174
Abstract
On farm testing and frontline demonstrations were conducted during the years 2010 and 2011
under mandatory work of Krishi Vigyan Kendra, Seoni district of Madhya Pradesh. The status
of soil nutrients, their depletion and build-up and crop productivity after two years under
various combinations of fertilizer dose and manures on sandy clay was studied. The
differences in the values of organic carbon available N, P and K in soil at 20 cm depth and crop
productivity were found to be very marked. The data on yield show that the application of
balanced fertilizer dose of N P and K as per STCR treatment with or without farm yard manure
@ 2.5t/ha helped in sustaining the yield of rice at higher level over the years. The inclusion of
FYM in the treatment schedule maintaining the organic carbon status and available N, P and K
in soil thereby, sustaining the soil health. The under dosing of plant nutrients (Farmers
practice) has caused a depletion in the available nutrients status of soil. The status of available
K in soil was found to decrease in all the treatments but the decrease was of lower magnitude
indicating the need to raise the level of K fertilizer application to meet the demand of the
crops.
Key words : Sandy clay, Fertilization, Crop productivity, Targeted yield, rice