| 摘要: |
| 在把通用旋转组合设计引用到品系或品种的筛选、评比方面作了一次尝试。建立了以皮棉产量、早熟性和净产值为目标的多元回归方程。通过电子计算机的模拟寻优,在欲选的四个优质棉品系中以6088的综合农艺性状为最好,并相应确定了为达到上述综合目标应采取的配套农艺措施。 |
| 关键词: 数学模型 综合农艺措施 早熟性 霜前皮棉产量 综合目标 综合农艺性状 品系 优质棉 净产值 不同品种 |
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| STUDIES ON THE SCREENING OF HIGHQUALITY STRAINS OF COTTON AND THEIR RELEVANT CULTURAL PRACTICES |
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| Abstract: |
| An univeral rotation combination design was used in the screening, comparison and appraisal of cotton varieties and strains.A multiunit regression equation was established for lint yield,early maturity and net economic gains.It was found through computer simulation that Strain 6088 was the best in overall agronomic characters among the better quality materials studied.Appropriate cultural practices for this strain were also suggested by the equation. |
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