查明了土壤和早实薄皮核桃叶片主要矿质元素含量的年变化规律。
The annual changes rule of soil and leaf mineral element contents of early bearing walnut were studied.
不同地区间小麦和小黑麦籽粒中主要矿质元素及植酸含量存在显著差异，选育品种时应考虑地区因素；
In view of the significant variation for major mineral elements and PA concentrations of wheat and triticale grain existed in different regions, breeders should consider region factor.
其有效成分主要为碳源物质，氮源物质和矿质元素，由至少一种原料组成的氮源物质中具有在培养基中含量为0.5 ~ 2.5%的茶枯粉。
Its main effective components are carbon source material, nitrogen source material, and mineral elements. It contains 0.5-2.5% of tea cake powder.
其有效成分主要为碳源物质，氮源物质和矿质元素，由至少一种原料组成的氮源物质中具有在培养基中含量为0.5 ~ 2.5%的茶枯粉。
Its main effective components are carbon source material, nitrogen source material, and mineral elements. It contains 0.5-2.5% of tea cake powder.
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