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Studies on the effect of dates of planting, plant geometry and number of seedlings per hill in hybrid rice (Oryza Sativa L.)

Studies on the effect of dates of planting, plant geometry and number of seedlings per hill in hybrid rice (Oryza Sativa L.)
Vimlesh Kumar Yadav

2007

Department of Agronomy, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur 208 002, INDIA.

ABSTRACT

The present investigation was carried out to study the effect of dates of planting, plant geometry and number of seedlings in hybrid rice for two consecutive Kharif seasons of 2005 and 2006 at Student’s Instructional Farm, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur. Three dates of planting (15th July, 30th July and 14th August), four plant geometry (15 × 15, 20 × 15, 25 × 15 and 30 × 15 cm) and two seedlings rate (1 and 2 seedlings per hill) were tested in three replicated split plot design assigning dates of planting and plant geometry in main plots and number of seedlings in sub plots. The soil of experimental field was sandy loam in texture, total nitrogen 0.048 per cent, available phosphorus of 18.25 kg per hectare and available potassium of 370.00 kg per hectare having soil pH of 7.6. The experimental crop prevailed favourable weather conditions in both the years of experimentation. The crop was fertilized with a uniform dose of 180 kg N, 80 kg P2O5, 60kg K2O and 30 kg ZnSO4 per hectare. The crop was irrigated four times during both the years. All other agronomic practices were adapted as per normal recommendations.