Apple needs to adjust the proportion of different nutrients at each fertilization stage due to the tree
The production of high yield and stable tree structure is the goal of apple management. Unfair fertilization must meet the needs of apple growth and development, and it must achieve the purpose of regulating its tree structure. The production of apple trees is mainly divided into three types, namely, high-yield, stable-yielding trees, prosperous trees, and weak trees. It is the Wangshu and weak trees that need to be adjusted. Among various nutrients, nitrogen fertilizer is obviously responsible for the regulation of tree body, and nitrogen fertilizer should be applied according to tree vigor in each period. In addition, the current production of individual neglect of the phenomenon of fertilization in autumn, pay attention to strengthen the fertilization in the fall. Traditional Chinese medicine standard extract refers to a kind of traditional Chinese medicine product with relatively clear pharmacodynamic material basis and strict quality standard obtained by extracting and processing traditional Chinese medicine with modern science and technology, and can be used as the raw material of traditional Chinese medicine preparation. Standardized Extract,Standardized Herbal Extracts,Concentration Extraction,Concentrated Herbal Extract Shaanxi Zhongyi Kangjian Biotechnology Co.,Ltd , https://www.zhongyibiotech.com
The chemical components of the standard extracts of traditional Chinese medicine are a collection of various pharmacological active substances in a specific proportion. It inherits the characteristics of multiple components of traditional Chinese medicine and reflects the specific functions of the original Chinese medicine. No matter as a single medicine or as a compound medicine, it can completely replace the original raw medicine and has incomparable advantages in quality control.