Growth responses of Jatropha Curcas seedlings under different soil mixtures, fertilizer doses, irrigation regimes and sodicity levels

TL;DRAbstract

The present study analyses the growth responses of Jatropha curcas seedlings under different soil mixtures, fertilizer doses, irrigation frequency and soil sodicity levels. Among all the soil mixtures, seedlings of J. curcas indicated higher growth, dry weight and quality index in the mixture of soil, sand and FYM in 1:2: 2 and 1: 1: 2 ratios. Further, increasing FYM in all the combinations of soil mixture increased the seedling growth. However, increase of sand in the soil mixture beyond 1: 2: 2 ratios of soil, sand and FYM did not improve the seedling growth. The application of NPK fertilizers in soil @ 100: 75: 75 mg per seedling showed maximum growth, dry weight and quality index of seedlings. It was also observed that application of N in higher doses reduced the seedling growth and dry weight. The seedlings of this species relatively performed better up to low moisture stress level than under intermediate and high moisture stress levels. Root dry weight and root: shoot ratio, howe

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