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Indian Journal of Soil Conservation
Year : 2013, Volume : 41, Issue : 3
First page : ( 262) Last page : ( 267)
Print ISSN : 0970-3349. Online ISSN : 0976-1721.

An appraisal of productivity, nutrient uptake and soil fertility status in Fenugreek (Trigonella foenum-graecum L.) under an integrated nutrient management module

Adak Tarun1,,*, Sachan R. S.2

1Central Institute for Subtropical Horticulture, Rehmankhera, P.O.-Kakori, Lucknow-226101, Uttara Pradesh

2Govind Ballabh Pant University of Agriculture and Technology, Pantnagar-263145, Uttarakhand, India

*E-mail: tarunadak@gmail.com

Online published on 23 December, 2013.


A field experiment during winter seasons of 2001–03 was conducted at Pantnagar on a clay loam soil to appraise the productivity, nutrient uptake and soil fertility status in fenugreek under an integrated nutrient management module. The results indicated highest total biological yield (70.71q ha−1), total N (224.45 kg ha−1), P (11.78 kg ha−1) and K (161.39 kg ha−1) uptake in the treatment NPK+ Sinorhizobium + Bacillus + FYM @ 5.0 t ha −1. The mean effect on post harvest soil fertility status in the both the years observed to be highest in the same treatment recognizing the need for incorporating microbial inoculants in integrated nutrient management module. Soil organic carbon was strongly correlated with post harvest available N (r = 0.858**), P (r = 0.803**) and K (r = 0.819**). Pearson's correlation analysis revealed statistically significant and positive correlation existed among seed and straw yield with nutrient uptakes (r = 0.84** to 0.90**). Total biological yield was significantly correlated with total N uptake (r = 0.86**) and total P uptake (r = 0.87**) indicating positive response of N and P release microbial inoculants. Linear and non-linear regression equations were developed to estimate the productivity as function of soil properties and nutrient uptakes. Such models could be applied in predicting yield variations and assessing soil health of fenugreek grown under diverse agroecological regions. Power functions were generated to estimate the seed yield of fenugreek, which suggested that available N (r = 0.81**) and K (r = 0.80**) were found to be most appropriate in explaining variation in seed yield of fenugreek.



Correlation studies, Fenugreek, Nutrient management options, Nutrient uptakes, Post harvest soil fertility status, Productivity, Regression.


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