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- Title
Influence of Soil Application of Zinc Sulphate along with Foliar Spray on Growth and Yield of Rice in Sodic Soil under Different Amendments.
- Authors
Vinothini, R.; Baskar, M.
- Abstract
Field experiment was conducted in sodic soil using rice (CO 52) as a test crop with various amendments viz., gypsum+ green manure, green leaf manure and press mud as main-plot treatments and different levels of zinc sulphate viz., 50, 100 and 150 percent of recommended dose as basal with and without foliar spray of ZnSO4@ 0.5 per cent at panicle initiation (PI) and heading stage as sub-plot treatments. The amendments application significantly reduced the pH, ESP and slight increase in the EC of the post harvest soil. The growth and yield parameters also showed a significant response on reclamation and ZnSO4 application. The DTPA -Zn content of soil and Zn uptake of plant at various stages were significantly enhanced due to soil reclamation and ZnSO4 application. Application of gypsum + GM or GLM or press mud can be effectively used as an amendment for the reclamation of sodic soil. However, the gypsum +GM exhibited its superiority over others. Hence, it is recommended that reclamation of sodic soil with gypsum @ 50 % GR + green manure @ 6.25 t ha-1 and ZnSO4 application @ 100 % recommended dose (25 kg ha-1) along with foliar spray of 0.5 % ZnSO4 at panicle initiation and heading stages found to be the best for getting higher yield of rice in sodic soils. ZnSO4 application @ 150 % recommended dose (37.5 kg ha-1) along with foliar spray of ZnSO4 @ 0.5 % at panicle initiation and heading stages is recommended for unreclaimed sodic soils.
- Subjects
SODIC soils; ZINC sulfate; RICE yields; SPRAYING &; dusting in agriculture; RICE soils; GREEN manure crops; SOILS
- Publication
Madras Agricultural Journal, 2018, Vol 105, Issue 10-12, p511
- ISSN
0024-9602
- Publication type
Article
- DOI
10.29321/maj.2018.000195