RESPONSE OF COMPACTION WITH SULPHUR FERTILIZATION TO NUTRIENT CONTENT, UPTAKE AND ECONOMICS OF BARLEY ON HIGHLY PERMEABLE SOIL
Journal Title: International Journal of Agriculture Sciences - Year 2016, Vol 8, Issue 34
Abstract
Coarse textured soils of arid and semi arid regions are highly permeable and loss of water as well as soluble nutrients especially sulphur is quite high from these soil. With this view, a field experiment was conducted on loamy sand soils to study the response of compaction (0, 2, 4 and 8 passes of 500 kg manually driven iron roller) and sulphur (0, 15, 30 and 45 kg S ha-1) fertilization through gypsum on nutrient content, uptake, protein and economics of barley crop. Significant improvement in content and uptake of nitrogen, phosphorus, potassium, and sulphur were observed up to 4 passes of 500 kg iron roller and 30 kg S ha-1. A significant increase in protein content in grain of barley was also observed under 4 passes of iron roller with 30 kg S ha-1. Increased levels of compaction retained more amount of sulphate in 15-30 cm soil layers. Significantly higher net return (Rs. ha-1) was fetched with the combined use of compaction by 4 passes of 500 kg iron roller and 30 kg S ha-1. However, optimum level of S (49.96 kg ha-1) was worked out higher in response study but a more realistic level of 30 kg S ha-1 could be safely recommended with compaction for barley crop.
Authors and Affiliations
B. L. MEENA
Keywords
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