In the natural world, the relationship between bamboo forest and its surrounding environment is interconnected and mutually restrictive. The physical and chemical properties of the soil, topographic conditions, etc. have a very significant impact on the growth, development, reproduction and yield of the bamboo. The soil nutrient level had a certain effect on the average DBH of bamboo, and it increased with the increase of available phosphorus content. The effect of other soil nutrient on DBH was not obvious.
Bamboo forest shoots every spring, and part of the bamboo shoots grow into Hsinchu, while the other part naturally dies. Therefore, how to increase the rate of bamboo shoots is an important part of improving the biomass of bamboo. In addition to the temperature, soil moisture conditions, and the depth of bamboo whip, the soil nutrient content in bamboo forest land also has a certain relationship with the number of bamboo shoots. The use of soil nutrient fastness testers shows that fertilization and deep soiling have a significant impact on increasing the number of shoots. Due to deep plowing, soil can be loosened, soil physical properties can be improved, and soil organic matter and minerals can be decomposed. Deep fertilization afterwards increased the supply of soil nutrients, promoted the germination of shoots that were in a dormant state but had the ability to divide, and reached the goal of more shoots to increase yield.
Through the soil nutrient fastness tester's determination and analysis of the bamboo forest soil, it was found that there was a very significant positive correlation between soil organic matter and available nitrogen and available potassium content in each forest, and the correlation between available nitrogen and available phosphorus content was significantly different. Phyllostachys pubescens stands negatively with each nutrient factor, and its correlation with organic matter and available nitrogen content is significant. The content of available phosphorus was significantly different from or significantly affected by the differences in diameter at breast height, height under branches, number of shoots and diameter of shoots.
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