Reduction phyllostachys praecox forest fertilization method

A fertilization method and a reduction technology, which are applied in the field of plant nutrition management, can solve the problems of the decline of the productivity of the Lei Bamboo forest site, the decline in the yield and quality of bamboo shoots, and the high labor cost of fertilization, so as to reduce pollution, improve the resistance to stress, and improve the utilization of fertilizers. rate effect

Inactive Publication Date: 2021-05-11
RES INST OF SUBTROPICAL FORESTRY CHINESE ACAD OF FORESTRY
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Problems solved by technology

At present, the traditional fertilization methods for Phyllostachys praecox forests are sprinkler method and furrow method (fertilization in shallow furrows with a depth of 10-15 cm and a width of 10 cm every 3 m or so), and the fertilizer utilization rate is low or the labor cost of fertilization is high
Due to long-term ex

Method used

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Embodiment Construction

[0010] The present invention mainly realizes in the following ways:

[0011] 1) Construct the high-yield stand structure of thunder bamboo forest: the density of standing bamboo is 15000-18000 plants / hm 2 , the diameter of standing bamboo is 3-5 cm, and the ratio of 1-year-old: 2-year-old: 3-year-old standing bamboo is 4:4:2.

[0012] 2) Fertilizers: According to the long-term experiments on the nutrient requirements of Phyllostachys praecox, the compound fertilizer with the ratio of nitrogen, phosphorus and potassium produced in the factory is used as the applied fertilizer, N:P 2 o 5 :K 2 The ratio of O is (3-5): 1:2, and the ratio of ammonium nitrogen: nitrate nitrogen is 1:1. It can not only improve the utilization rate of fertilizer, but also promote the growth and development of standing bamboo, improve the stress resistance and the quality of bamboo shoots (reduce the content of oxalic acid and tannin, and increase the content of soluble sugar and protein).

[0013]...

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Abstract

The invention discloses a reduction phyllostachys praecox forest fertilization method, and belongs to the technical field of plant nutrition management. The method is characterized by comprising the following steps that 1), a phyllostachys praecox forest high-yield stand structure is constructed, the density of standing bamboos is 15000-18000 plants/hm<2>, the diameter at breast height of the standing bamboos is 3-5 cm, and the number ratio of one-year-old standing bamboos to two-year-old standing bamboos to three-year-old standing bamboos is 4: 4: 2; 2), plant hole fertilizing is carried out, fan-ring-shaped grooves are formed at the position, being outward by 10 cm, of base parts of two-year-old phyllostachys praecox, and compound fertilizer is applied; and 3), after fertilizer is evenly applied, soil covering and compaction are carried out. According to the method, the use amount of the fertilizer can be reduced by 30-40%, the utilization rate of the fertilizer is increased to 50% from about 35%, and the quality of the bamboo shoots is improved.

Description

technical field [0001] The invention belongs to the technical field of plant nutrition management, and in particular relates to a fertilization method for reducing the amount of thunder bamboo forest. Background technique [0002] Bamboo is a typical clonal plant, which has a strong role in sharing resources, energy and information among ramets in a heterogeneous environment. In the process of high-efficiency cultivation of bamboo shoot forests, due to the large amount of biomass output (bamboo shoots, bamboo wood) every year, fertilization is an important management measure, which can timely supplement the elimination of a large amount of nutrients in the forest land soil. At present, the traditional fertilization methods for Phyllostachys praecox forests are sprinkler method and furrow method (fertilization in shallow furrows with a depth of 10-15 cm and a width of 10 cm every 3 m or so), and the fertilizer utilization rate is low or the labor cost of fertilization is high...

Claims

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Application Information

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IPC IPC(8): A01C21/00A01G17/00
CPCA01C21/005A01G17/005
Inventor 陈双林郭子武章超
Owner RES INST OF SUBTROPICAL FORESTRY CHINESE ACAD OF FORESTRY
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