Status of Sulphur, Zinc and Boron in Onion Growing Soils of Dharwad Taluk, Karnataka, India
M. Sujaina, K. K. Math, S. M. Hiremath, Manjunatha Hebbara, Kiran K. Mirajkar, T. V. Sowjanya
International Journal of Environment and Climate Change · pp. 1928–1939 · Published 25 Jul 2023
10.9734/ijecc/2023/v13i92426Abstract
Survey was undertaken during rabi 2021-22, to study the sulphur, zinc and boron status in onion growing fields in selected villages of Dharwad taluk, Karnataka. One hundred surface soil samples were collected from selected ten villages of Dharwad taluk using GPS. The results revealed that soils were neutral to alkaline in reaction, low in total soluble salts, low to high organic carbon content, low in available nitrogen, medium in available phosphorus, potassium and sulphur and 49.00 and 77.00 per cent of the soils were deficient in DTPA extractable zinc and hot water soluble boron, respectively.
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