Performance of new basmati varieties as influenced by different tillage methods and sowing environments in direct seeded rice
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Date
2021-10
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Sher-e-Kashmir University of Agricultural Sciences and Technology of Jammu
Abstract
The present investigation entitled “Performance of new basmati varieties as influenced by different tillage methods and sowing environments in direct seeded rice” was carried out at Research Farm of Agro-meteorological Section, Division of Agronomy,Sher-e-Kashmir University of Agricultural Sciences and Technology of Jammu, Chatha, during the kharif 2020. The experiment was laid out in split-split plot design with three replications. The main plots consisted of two tillage methods (zero and conventional), sub plots oftwo sowing environments (10th and 25th June) and four new basmati rice varieties (Basmati-370, Basmati-118, Basmati-138 and Basmati-123) were taken under sub-sub plot. All the varieties under investigation were grown as per the recommended package andpractices ofSKUAST-Jammu forbasmati rice except for others treatments under investigation. The soil of the experimental site was sandy clay loam in texture, slightly alkaline in nature having pH of 7.14, EC (0.15 dS/m), organic carbon (0.38 %),low in available nitrogen (211.13 kg/ha), medium in phosphorus (14.15 kg/ha) and available potassium (134.64 kg/ha).
The number of days taken by basmati rice varieties were numerically higher under conventional tillage than zero tillage. However, other growth parameters were not affected significantly by the tillage methods. But the yield and yield attributes (grain yield, straw yield, number of tillers/m2, number of effective tillers/m2 and number of grains/panicle) were significantly affected by the tillage methods. Whereas, the sowing environments affected the growth, yield, yield attributes and quality parameters of basmati rice crop. The 10th June sown crop recorded superior growth parameters, higher yield and yield attributes as well as quality parameters as compared to 25th June sown basmati rice crop. Whereas, among the new basmati rice varieties, Basmati-123 found significantly higher growth parameters, yield and yield attributes as well as higher B:C ratio.
On the basis of one year experiment, it may be concluded that new basmati rice variety, Basmati-123 direct sown on 10thJune underconventional tillage method has better performance and recommended for sowing in irrigated sub tropical area of Jammu.
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Preferred for your work_____tolma,tayshi.2021. Performance of new basmati varieties as influenced by different tillage methods and sowing environments in direct seeded rice. Thesis submitted to SKUAST-JAMMU.___________________