Response of basmati rice cultivars to different levels of nitrogen and phosphorus
KrishiKosh
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Title |
Response of basmati rice cultivars to different levels of nitrogen and phosphorus
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Creator |
Sharma, Dinesh
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Contributor |
Ishwar Singh
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Subject |
Rice, Yields, Grain, Nitrogen, Developmental stages, Fertilizers, Crops, Planting, Biological development, Crop residues
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Description |
The present study entitled “Response of basmati rice cultivars to different levels of nitrogen and phosphorus” was carried out at Farm of College of Agriculture, Kaul (Kaithal) Chaudhary Charan Singh Haryana Agricultural University, Hisar during kharif season of 2010 on clay loam alkaline soil, low in organic carbon and available nitrogen, medium in phosphorus and high in potassium. The treatments consisted of four cultivars (CSR-30, HKR03-408, Pusa Basmati-1 and Pusa Basmati-1121) and six NP levels laid out in split-plot design with three replications, keeping cultivars in main plots and NP levels in sub plots. Thirty days old seedlings of the crop were transplanted mainly on a well puddled soil at a hill spacing of 20 cm x 15 cm with two seedlings per hill. The studies revealed that the tall cultivars (CSR-30 and HKR03-408) took longer time to attained 50% flowering and maturity than semi dwarf cultivars (Pusa Basmati-1 and Pusa Basmati-1121). The number of tillers increased with the age of crop up to 60 days after transplanting (DAT) and thereafter, slight reduction was recorded at 90 DAT. Dry matter accumulation increased with the advancement of crop stages and maximum increase was observed during 60-90 DAT. The semi dwarf cultivars produced more tillers/m2 than taller cultivars but reverse was true for dry matter accumulation and head rice recovery. Pusa basmati-1121 was found best as it gave the highest grain yield, net income, benefit cost ratio, longest kernel and length breadth ratio than all other cultivars. Pusa Basmati-1121 showed maximum uptake than tall cultivars. Increasing NP levels significantly increased all the crop growth parameters viz. plant height, tillers/m2, dry matter accumulation. The yield contributing characters (panicles/m2, grains/panicle), yield (grain and straw), net profit and benefit cost ratio were higher with N90P45 kg ha-1. Application of N90P45 kg ha-1 also showed highest nitrogen and phosphorous uptake. |
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Date |
2016-11-09T14:32:52Z
2016-11-09T14:32:52Z 2011 |
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Type |
Thesis
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Identifier |
http://krishikosh.egranth.ac.in/handle/1/84715
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Language |
en
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Format |
application/pdf
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Publisher |
CCSHAU
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