humidity of seedbed是什么意思

用法例句

Treatment of mixed herbicides to the stems and leaves of rice seedling field;

水稻育秧田除草混合剂茎叶处理试验

Results of our survey showed there appear 31 species of weeds in arid rice nursery fields,In Wenzhou, Zhejiang, among which Echinochloa crusgalli, and Digitaria sanguinalis are dominant, and weed communities differ between early or late rice, regions and soils.

调查表明 ,温州农区水稻旱育秧田常见杂草有 31种 ,稗草和马唐是优势种群 ,杂草群落因早晚稻及地域、土质差异不甚相同。