Welcome to Acta Agronomica Sinica，

Acta Agron Sin ›› 1981, Vol. 7 ›› Issue (01): 63-72.

• ORIGINAL PAPERS • Previous Articles    

STUDIES ON SOLAR ENERGY UTILIZATION,CROP COMPETITION AND YIELD ANALYSIS IN DOUBLE CROPPED WHEAT FIELDS IN THE NORTH CHINA PLAIN

Lin Sunhao; Han Xiangling; Zhao Mingzhai; Kong Yangzhueng   

  1. AgriculturaI University of Beijing

  • Received:1900-01-01 Revised:1900-01-01 Online:1981-03-12 Published:1981-03-12

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Abstract: There are several patterns of double cropping in wheat fields in North China,relay-intercroppingand sequential cropping are two main patterns.On the basis of field experiments and investigationsfor a five year(1973～1978)period,an effort is made to discuss the utilization of solar energy,cropeompeti

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