| 大豆叶面积变化对田间微气象条件及产量的影响 |
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| 引用本文： | 潘万清,高连国.大豆叶面积变化对田间微气象条件及产量的影响[J].大豆科学,1992,11(1):83-87. |
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| 作者姓名： | 潘万清 高连国 |
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| 作者单位： | 黑龙江省农业科学院栽培所
(潘万清，王连敏)，绥化地区气象局(高连国) |
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| 摘 要： | 作者通过1977～1981年和1987～1989年,分别在绥化、哈尔滨和合江地区的田间试验和生产调查,发现大豆叶面积指数的大小可造成不同的田间微气象环境条件,叶面积指数6左右时,植株似倒非倒,株间采光量和CO_2分布较为合理,光合效率高,大豆单株生育良好,群体产量高;在生产上可依据当地土地条件、施肥水平、不同品种和不同种植方式用叶面积动态变化方程式计算出适宜的密度,以使大豆群体最大叶面积指数保持在6左右,创造较理想的田间微气象效应。
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| 关 键 词： | 叶面积 微气象条件 大豆 产量 |
THE EFFECT OF LAI ON FIELD MICROMETEROLOGICAL ENVIRONMENT AND SOYBEAN YIELD |
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| Pan Wanqing Wang Lianmin.THE EFFECT OF LAI ON FIELD MICROMETEROLOGICAL ENVIRONMENT AND SOYBEAN YIELD[J].Soybean Science,1992,11(1):83-87. |
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| Authors: | Pan Wanqing Wang Lianmin |
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| Institution: | Pan Wanqing Wang Lianmin (Crop Cultivation Institute of Heilongjuing Academy of Agricullural Sciences)Gao Lianguo (Sui Hua Meterological Bureau) |
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| Abstract: | By means of field experiment and comprehensive investigation in Sui Hua, Harbin and He Jiang region reepectively in 1977- 1981 and 1987-1989 it has been found that the changes of LAI of soybean populations could cause different field micrometerological environment. When LAI was around 6 and plant inclined slightiy, the sun light and CO2 distribution among plants were most reasonable, photosynthetic rate of the population was higher, grouth and development of individual plant was better and yield was higher. In production practice, the optimum density can be calculated by the equation of LAI dynamic changes according to soil conditions, fertility level, cultivars and cultivation patterns in order to get maximum LAI of soybean populations around 6 and create a rational effect of field micrometerology. |
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| Keywords: | LAI Micrometerological Environment Plant population structure Yield |
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