黄淮海平原冬小麦-春玉米-夏玉米复合种植模式生理生态效应研究

应用生态学报 ›› 2003, Vol. ›› Issue (1): 51-56.

黄淮海平原冬小麦-春玉米-夏玉米复合种植模式生理生态效应研究

黄进勇¹, 李新平¹, 孙敦立²

1. 浙江大学农业生态研究所, 杭州 310029;
2. 河南农业大学, 郑州 450002

收稿日期:2000-06-01 修回日期:2000-10-23 出版日期:2003-01-15
通讯作者: 李新平
基金资助:
河南省“九五”重点科技攻关项目(19950165).

Ecophysiological effects of multiple cropping of winter wheat-spring corn-summer corn in Huanghuaihai Plain

HUANG Jinyong¹, LI Xinping¹, SUN Dunli ²

1. Institute of Agricultural Ecology, Zhejiang University, Hangzhou 310029, China;
2. Henan Agricultural University, Zhengzhou 450002, China

Received:2000-06-01 Revised:2000-10-23 Online:2003-01-15

摘要/Abstract

摘要： 研究结果表明,与冬小麦夏玉米平作和春玉米单作相比,冬小麦春玉米夏玉米复合种植模式各作物生殖生长时期均处于高空间生态位,田间光、温、气等生态条件得以改善,改平面受光为立体受光,作物群体内相对光强明显提高,而且各作物行间地温升高,种植带内风速加大,均有利于提高籽粒灌浆的强度和速度.同时,在籽粒灌浆过程中,各作物功能叶片内叶绿素含量和光合速率均比冬小麦夏玉米一年两熟平作或春玉米单作有所提高,这是冬小麦春玉米夏玉米复合种植模式主要增产原因之一.

Abstract: Compared to sequential cropping of winter wheat-summer corn and mono cropping of spring corn, the ecophysiological effects of multiple cropping of winter wheat-spring corn-summer corn in Huanghuaihai Plain were studied. The results showed that under the multi-cropping, the crops occupied higher spatial niches during the period of reproductive growth. Ecological factors such as light, temperature, and air were improved, and plane light acceptance was changed into multistory light acceptance, which made the relative intensity of illumination in crop communities increased. Moreover, soil temperature between rows and wind velocity in planting strips were also increased. All these changes were advantageous to increasing the intensity and velocity of grain filling.The chlorophyll content and photosynthetic rate in functional leaves of crops were higher,which was the main reason of yield increase under multiple cropping.

中图分类号:

S314

黄进勇, 李新平, 孙敦立. 黄淮海平原冬小麦-春玉米-夏玉米复合种植模式生理生态效应研究[J]. 应用生态学报, 2003, (1): 51-56.

HUANG Jinyong, LI Xinping, SUN Dunli . Ecophysiological effects of multiple cropping of winter wheat-spring corn-summer corn in Huanghuaihai Plain[J]. Chinese Journal of Applied Ecology, 2003, (1): 51-56.

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