| 半干旱区紫花苜蓿地上干物质量增长动态 |
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| 引用本文： | 石界.半干旱区紫花苜蓿地上干物质量增长动态[J].甘肃气象,2007,25(2):77-81. |
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| 作者姓名： | 石界 |
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| 作者单位： | 中国气象局兰州干旱气象研究所甘肃省干旱气候变化与减灾重点实验室中国气象局干旱气候变化与减灾重点开放实验室 甘肃兰州730020，甘肃省定西市农业气象试验站，甘肃定西743000 |
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| 摘 要： | 根据甘肃半干旱地区紫花苜蓿试验资料,用Logistic方程描述干物质增长规律,建立模型,分析其干物质变化特性,得出甘肃半干旱区紫花苜蓿生长特点。
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| 关 键 词： | 紫花苜蓿 干物质量 动态 |
| 文章编号： | 1006-7639（2007）-02-0077-05 |
| 修稿时间： | 2006-09-172007-03-14 |
Dry Matter Amount Growing Trend of Alfalfa in Semi - arid Region of Gansu |
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| SHI Jie.Dry Matter Amount Growing Trend of Alfalfa in Semi - arid Region of Gansu[J].Gansu Meteorology,2007,25(2):77-81. |
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| Authors: | SHI Jie |
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| Institution: | 1. Institute of Arid Meteorology, CMA, Key Laboratory of Arid Climatic Change and Reducing Disaster of C, ansu Province, Key Open Laboratory of Arid Climate Change and Disaster Reduction of CMA, Lanzhou 730020, China; 2. The Agricultural Meteorological Experiment Station of Dingxi, Dingxi 743000, China |
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| Abstract: | Based on the experimental data of alfalfa in semi-arid region of Gansu,the dry matter growing curve is simulated by the Logistic equation,and the variation characteristic of the dry matter is analyzed.Finally,the growing characteristic of alfalfa is obtained in semi-arid region of Gansu. |
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| Keywords: | alfalfa dry matter amount growing trend |
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