QUAN Hong,WANG Chao,ZHANG Jin-ping,et al.Convenient Estimation for Leaves Area of Sweet-potato[J].HEILONGJIANG AGRICULTURAL SCIENCES,2011,(10):75-76.
甘薯叶片叶面积简便测定方法的研究
- Title:
- Convenient Estimation for Leaves Area of Sweet-potato
- 文章编号:
- 1002-2767（2011）10-0075-02
- Keywords:
- sweet-potato; leaf area; the formula calculating method
- 分类号:
- S531
- 文献标志码:
- A
- 摘要:
- 基于实测的叶面积与叶长和叶宽数据，对甘薯叶面积简便测定方法进行了研究。结果表明：公式法的测量平均相对误差7.2%，显著高于叶面积仪测定法的平均相对误差2.8%，但其准确程度亦能够满足甘薯叶面积测定的精度要求，且具有操作简便、成本低廉和实用性强的优点。
- Abstract:
- Methods of leaf area calculation were investigated for sweet-potato leaves,based on the measurement of length-width multiplication method.The results showed that the precision of formula calculating method which average relative error was 7.2%,was higher significantly(P<0.05).Than that of the leaf area meter method which average relative error was 2.8%,but it also satisfy the precision demand for the mensurationset of sweet-potato leaves.Furthermore,the formula calculating method was a good measurement because of its simple manipulation,cheap cost and better practicability.
参考文献/References:
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备注/Memo
基金项目：西藏自治区科技厅地区基金资助项目；西藏农牧学院211工程师资队伍建设资助项目（SZRC-211-04）