Abstract
Soybean is one of the major oilseed crops cultivated in India and globally. In India, it is mainly cultivated in Madhya Pradesh, Rajasthan, Karnataka and Telangana. Despite being grown in large areas, the importance of soybean and its oil is still very prevalent. The objective was to investigate the impact of foliar spraying of thiourea at three different concentrations (250, 500, and 750 ppm) during two growth stages (20-25 days after sowing and 50-55 days after sowing) on two soybean varieties, PS1347 and SL958. Several growth parameters were recorded and then analysed, such as plant height, plant dry weight, stem girth, leaf chlorophyll content, intercepted PAR, crop growth rate and relative growth rate. It was found that thiourea brought a positive influence on the crop, and the maximum improvement was recorded by foliar spraying of 750 ppm thiourea, which was statistically at par with the foliar spray of thiourea at the concentration of 500 ppm.
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