Related Changes of Wheat Yield and Photosynthetically Active Rradiation in Paulownia/Wheat Intercropping System
Jiang Jianping, Zhu Jianjun, Liu Tingzhi, He Shumin, Zhou Zhiming, Su Fujiang
ACTA AGRICULTURAE BOREALI-SINICA . 1994, (S1): 133 -137 .  DOI: 10.3321/j.issn:1000-7091.1994.z1.028