不同土壤的矿质养分含量增加可降低稻米垩白；
The increased content of the soil mineral nutrients could reduce chalkiness rate of rice.
矿质养分在砧木不同部位和位置的含量水平和分布有明显的差异。
The content level and distribution of mineral nutrients in the different parts and positions of rootstock and scion have a significant differences.
烟草是中国一种重要的经济作物，而氮是植物必需的矿质养分，研究烟草碳氮代谢规律，对指导烟草的生产具有重要的作用。
Tobacco is an important economic crop, and nitrogen is essential mineral element. Studies on carbon and nitrogenous metabolism of tobacco have important action on tobacco production.
研究了梅州沙田柚两个果园的土壤养分、结果树营养叶片不同生育时期的矿质元素含量及季节性动态变化情况和各元素的相互关系。
The soil nutrients, the contents and seasonal dynamics of mineral elements as well as the relationship among the elements in leaves of fruit-bearing trees of Citrus grandis Osbeck cv.
研究了梅州沙田柚两个果园的土壤养分、结果树营养叶片不同生育时期的矿质元素含量及季节性动态变化情况和各元素的相互关系。
The soil nutrients, the contents and seasonal dynamics of mineral elements as well as the relationship among the elements in leaves of fruit-bearing trees of Citrus grandis Osbeck cv.
应用推荐