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cje ›› 1993, Vol. ›› Issue (4): 55-57.

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Ecological Effect of Intercropping Forage Legumes with Winter Wheat

Mao Kai, Zhou Shourong   

  1. Sichuan Agricultural Universily, Yaan 625014
  • Received:1991-12-16 Revised:1992-03-27 Online:1993-08-10

Abstract: Ecological researches on the intercropping of forages with wheat were carried out during 1989-1990.Theitems include relative light intensity,temperature,temperatural variation,relative humidity and soil rnois-ture and nutrient contents. The results are summarized in detail and effective measures for soil protection are mentioned.

Key words: land surface temperature, relative heat island intensity, topographic gradient, population gradient, GDP gradient, central area of Chongqing City.