Fertilizing method for improving stress tolerance and productivity of China fir planted forest

Abstract

The invention discloses a fertilizing method for improving stress tolerance and productivity of a China fir planted forest. The method includes the following steps: when the China firs are arrayed in a matrix or a square matrix, a pit is dug in the middle of a connecting line between every two adjacent trees in the transverse and the longitudinal directions; every two adjacent trees in the transverse and the longitudinal directions share one pit; and four pits are dug on the periphery of each tree; stress tolerance health protection mycorrhiza fungicide and organic fertilizer are mutually spaced and placed in the four pits on the periphery of each tree, and earthing is performed then. The stress tolerance health protection mycorrhiza fungicide is compounded and formulated by mycorrhiza fungicide and rhodofix, and the mycorrhiza fungicide is fermented by lactarius subdulcis, lactariushatsudake and lactarius hatsudake; and biological organic fertilizer provides necessary nutrient for the growth of China firs, and the stress tolerance health protection mycorrhiza fungicide facilitates the rootage and growth of the China firs, so that the stress tolerance of the China firs as well as the soil condition and micro ecology environment are improved, the survival rate and growth rate of the China firs are enhanced, the rich water loss is reduced, and the competition for weeds below the China firs and shrub for fertilizer is alleviated.

Description

Technical field: [0001] The invention belongs to the field of fast-growing artificial forest cultivation, is suitable for hills, low mountains and flat areas, and can fertilize young forests, middle forests and mature forests, and specifically relates to a fertilization method for improving stress resistance and productivity of fir forests. Background technique: [0002] At present, in the management process of Chinese fir plantation, due to one-sided pursuit of fast growth and high yield, dense planting, pure forest, intensive cultivation, short rotation period, etc. are advocated. Large areas of planted forests have suffered a decline in productivity and soil fertility. Fertilization can promote the growth of Chinese fir plantation and increase the yield per unit area. Different site conditions and ages have different effects of fertilization. Therefore, for young forests with poor site conditions, water and fertilizer management should be strengthened to promote early ca...

AI Technical Summary

Problems solved by technology

Fertilization can improve the fertility of forest land, but the existing fertilization technology is not targeted. Nutrients are easily absorbed by weeds, lost with rain or inactivated by long-term exposure, so that the nutrients finally absorbed by plants account for a small part of the total nutrients. , the cost of fertilization is high, the synergy of trees is not obvious, and it is easy to cause environmental pollution, soil compaction, deterioration of soil quality, decline of soil fertility, break the soil micro-ecological balance, affect the respiration of tree roots, and increase the probability of crop pests and diseases

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