Effect of sulphur and zinc on yield, quality and nutrient uptake by safflower in vertisol
2000
Babhulkar, P.S. | Kar, D. | Badole, W.P. | Balpande, S.S. (College of Agriculture, Nagpur (India). Dept. of Agricultural Chemistry and Soil Science)
The individual and interactive effects of sulphur (0, 30, 45, 60 kg S ha-l) and zinc (0,15,30, 45 kg Zn ha-l) along with 50 kg each of N and p 20& ha-l were studied on safflower for yield, quality and nutrient uptake in a swell-shrink soil. Application of 45 kg S ha-l recorded significantly high drymatter and seed yield (2.6lt ha-l) and seed nutrient content. Application of zinc recorded significant response up to 15 kg Zn ha-l for seed yield (2.37 t ha-l). However, significantly high straw yield (7.62 t ha-l) and nutrient content in seed and dry matter were recorded with the application of 30 kg Zn ha-l. Increase in levels of S and Zn increased significantly the oil and protein content in seed. The interaction of sulphur and zinc was significant and the highest seed (29.34 q ha-l) and straw yield (94.23 q ha-l) were obtained with the combined application of 45 kg S and 15 kg Zn ha-l.
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