EFFECT OF LAND FERTILITY GRADIENT ON YIELD OF RICE

  • Unique Paper ID: 156842
  • Volume: 9
  • Issue: 5
  • PageNo: 162-168
  • Abstract:
  • Among thirty ecological zones in Bangladesh, the cultivable land for agriculture is mostly not homogenously fertile. For rice cultivation, Bangladesh has high, medium-high, medium, and low land ecosystems. Due to the differential and low land fertility among different ecosystems, the productivity of rice is often compromised. On-farm evaluation trials are essential to be conducted in homogenously fertile plots for better evidence-based decision-making scenarios for the identification of promising rice hybrids, and their advancement. In the present study effect of land, and fertility gradients on productivity was judged based on the responses of two hybrids two hybrid varieties, and two breeding lines. The experiment was conducted in the Mawna region of Bangladesh in 2021 in the Aman (wet) season to assess the effect of soil fertility gradients on yield and yield contributing characteristics. Significant differences were observed in yield and yield contributing parameters of these 4 genotypes, recorded from homogenous and non-homogenous fertile lands. The percentage of yield loss due to land fertility gradient of BRRI Hybrid Dhan5, BRRI Hybrid Dhan6, NASH 260, and NASH 261was 13.89, 16.25, 7.76, and 14.00 respectively. Thus, the study shows that the land fertility gradient significantly affects yield and the contributing characteristics of rice.

Cite This Article

  • ISSN: 2349-6002
  • Volume: 9
  • Issue: 5
  • PageNo: 162-168

EFFECT OF LAND FERTILITY GRADIENT ON YIELD OF RICE

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