Effect of gypsum,pressmud, fulvic acid and zinc sources on yield and zinc uptake by rice crop in a saline-sodic soil |
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| Authors: | Milap Chand N S Randhawa M K Sinha |
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| Institution: | (1) Department of Soils, Punjab Agricultural University, Ludhiana, India;(2) I.C.A.R., Krishi Bhavan, New Delhi, India;(3) Department of Soil Science, Tirhut College of Agriculture, DHOLI, Distt. Muzafferpur (Bihar), India |
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| Abstract: | Summary The application of fulvic acid to a saline-sodic soil augmented the solubility of zinc by thousands fold. Zinc fulvate when applied at levels equivalent to that of zinc sulphate was more effective in enhancing diffusion of zinc in the soil. Application of gypsum, zinc sulphate and fulvic acid significantly increased dry matter yield and uptake of zinc by rice crop in a saline-sodic soil. Application of gypsum with pressmud or with fulvic acid and zinc sulphate resulted in significantly higher yield and zinc uptake than in other treatments. |
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| Keywords: | Amendments Fulvic acid Gypsum Pressmud Saline-sodic soils Zinc diffusion Zinc uptake |
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