Suzhou Sikor Industry Co., Ltd. , https://www.sikor-group.com
The mixed forest had higher nutrient content than the pure forest rhizosphere soil, which may be one of the main reasons that caused the soil nutrient content of the mixed forest to be higher than that of the pure forest soil. After the trial period of soil nutrient tester, the growth status of the three forest stands and the dynamic changes in soil and rhizosphere soil need to be further monitored in order to further reveal the forest land and the rhizosphere during the whole growth process of the three forest stands. The dynamic changes of soil nutrient content guide the practice of afforestation.
For the mixed forest soil nutrient content is high, especially the available nutrient content, that is, hydrolysis of nitrogen, available phosphorus, available potassium in the three forest stands highest. The soil nutrient fastness tester showed that the content of soil organic matter, total nitrogen, total phosphorus, hydrolyzable nitrogen, available phosphorus, and available potassium in the mixed forest increased by 28.14%, 19.18%, 33.33%, 20.44%, 77.24%, and 38.18%, respectively, compared with the pure Chinese fir plantation. Undoubtedly, Schima superba and Cunninghamia lanceolata mixed with the fertilization fertility to prevent the decline of fertility of Chinese fir plantation played a leading role.
In summary, from the analysis of the soil nutrient tester samples, it is known that the state of wood and Chinese fir mixed with Chinese fir is conducive to the absorption of nutrients, mainly because the rhizosphere micro-area has increased the ability to activate nutrients and has high nutrient content. In a single tree, this also plays an important role in the future selection of the two tree planting methods.
Soil nutrient fastness tester analyzes the state of mixed woody and Chinese fir
The results of the soil nutrient tester on soil characteristics of the rhizosphere and woodlands showed that: for the ability of the nutrient rhizosphere to show different abilities, after the Schima superba and Cunninghamia lanceolata are mixed, the potassium and phosphorus elements in the nutrients can be activated. To a large extent, it is more conducive to the full use of nutrients by both trees and to the growth of mixed trees, which also indicates the coordinated growth of the above two trees.