Evaluation of ‘SOYGRO’ model for soybean crop under Hisar conditions
DOI:
https://doi.org/10.54386/jam.v12i1.1288Keywords:
Observed and simulated, soybean, SOYGRO model, yield attributesAbstract
Field experiment was carried out at Research Farm of Department of Agricultural Meteorology, CCS Haryana Agricultural University, Hisar located during rabi season of 2006 and 2007 on a sandy loam soil to study the evaluation of SOYGRO model of PK- 416 soybean cultivar for Hisar conditions. Yield attributes like pods per plant, number of seeds per pod and 100-seed weight decreased with subsequent delay in sowing from 7 June onward during both the seasons. Seed yield, straw yield and biological yield were highest in 7 June sowing as compared to late sown. The predicted deviation of seeds per pod was underestimated during both the crop seasons. This deviation varied from -4.47 to -8.95 seeds per pod in 2006 and -5.12 to -8.15 seeds per pod in 2007. The comparison of observed and simulated yield parameters viz., seed and straw yield showed that the model overestimated under all sowing dates. The straw yield was mostly overestimated but it was underestimated when crop sown delayed.
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