BIO EFFICACY OF NANO ZINC SULPHIDE (ZnS) ON GROWTH AND YIELD OF SUNFLOWER (Helianthus annuus L.) AND NUTRIENT STATUS IN THE SOIL
Journal Title: International Journal of Agriculture Sciences - Year 2017, Vol 9, Issue 6
Abstract
A pot experiment was conducted at IABT polyhouse, UAS, Dharwad, Karnataka to assess the performance of sunflower to different concentration of nano zinc sulphide and nutrient dynamics in soil. The treatments comprised foliar application of nano ZnS with different concentrations (100, 200, 300, 400 and 500 ppm) at 35 and 55 DAS. Nano ZnS 500 ppm sprayed at 55 DAS recorded significantly higher seed yield (5.27 g plant-1) and yield attributes which was on par with 400 ppm nano ZnS sprayed at 35 DAS (4.87 g plant-1). While, nano ZnS 400 ppm nano sprayed at 35 DAS recorded significantly highest plant height at 40 & 70 DAS and harvest (67.85, 120.90 and 124.73 cm, respectively), number of green leaves plant-1 (13.67), leaf area (356 cm2), leaf area index (0.198), leaf area duration (8.79 days) over water spray and soil application of zinc sulphate.
Authors and Affiliations
DHARAM SINGH MEENA
Keywords
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