Dynamic change of the contents、distributions and ratioes of carbohydrate and total nitrogen in Cynanchum komarovii and Glycyrrhiza uralensis during the different periods of growth
Dynamic change of the contents、distributions and ratioes of carbohydrate and total nitrogen in Cynanchum komarovii and Glycyrrhiza uralensis during the different periods of growth
不同生育时期牛心朴子及甘草碳水化合物与全N含量分布部位及C/N比变化规律研究