河套灌区向日葵间作白花草木樨产量优势研究
田玉山, 吴渠来, 李汉青
A Study on the Yield Advantage of Intercropping Sunflower with Sweetclover (Melilotus Albus Desr.) in Irrigation Area of Hetao
Tian Yushan, Wu Qulai, Li Hanqing
华北农学报
.
1989, (2): 63
-73
.
DOI: 10.3321/j.issn:1000-7091.1989.02.012
