| Comparison of different growth models and features of buckwheat |
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| DOI：10.7606/j.issn.1000-7601.2010.02.11 |
| Key Words: buckwheat growth model inflexion point |
| Author Name | Affiliation | | YOU Hailei | College of Agronomy, Northwest A & F University, Yangling, Shaanxi 712100, China | | HU Xiyuan | College of Agronomy, Northwest A & F University, Yangling, Shaanxi 712100, China | | GAO Jinfeng | College of Agronomy, Northwest A & F University, Yangling, Shaanxi 712100, China | | LI Jianping | College of Agronomy, Northwest A & F University, Yangling, Shaanxi 712100, China |
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| Abstract: |
| Based on the data collected from trials in three buckwheat plantations in Yangling, Shaanxi Province, five growth equations were utilized to establish the correlation between growing days and growth factors including plant height and shoot dry weight. The fitting effect of these equations was compared. It was found that R2 of growth model established the correlation between growing days and plant height with each equation was between 0.96 and 0.992; R2 of growth model established the correlation between growing days and shoot dry weight with each equation was between 0.90 and 0.94 except that of fitting the growing days and shoot dry weight of Yuqiao2 as well as Xinong9920 with Mitscherlich equation, which was less than 0.88. Logistic equations fitted the correlation between growing days and growth factors best. |
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