Planting method for green fertilizer plants in citrus orchard in slope cropland in three gorges reservoir region

A technology of the Three Gorges reservoir area and planting methods, applied in fertilization methods, fertilization devices, cultivation, etc., can solve the problems of fertilizer loss, low fruit yield and quality, and orchard water and soil erosion, so as to reduce ground runoff and improve natural fertilizer supply capacity , the effect of promoting vigorous growth

Inactive Publication Date: 2018-11-16
SOUTHWEST UNIVERSITY
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Problems solved by technology

[0005] In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide a method for planting green manure in citrus orchards on sloping fields in the Three Gorges reservoir area, so as to solve the problems of orchard water and soil erosion, fertilizer loss, fruit yield and low quality in the existing citrus planting methods in the reservoir area. question

Method used

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  • Planting method for green fertilizer plants in citrus orchard in slope cropland in three gorges reservoir region
  • Planting method for green fertilizer plants in citrus orchard in slope cropland in three gorges reservoir region

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Embodiment 1

[0031] The method for planting green manure in citrus orchards on sloping farmland in the Three Gorges reservoir area of ​​the present embodiment, the steps are as follows:

[0032] (1) Choose a citrus orchard with 20° that is not suitable for mechanical cultivation and has a lot of weeds. One month before sowing the green manure of the sweet potato (late August), use glufosinate-ammonium herbicides to kill the weeds in the orchard, and make sweet potato green manure. Green manure preparation for sowing;

[0033] (2) Sowing green manure and growing

[0034] Prepare 4kg light-leaved sweet potatoes per mu, and spread 70% of sweet potato green manure seeds evenly in the whole garden at the beginning of late September when the soil is moist after the rainfall. According to the emergence and uniformity of the seedlings, 30% of the seeds are added to allow them to emerge and grow naturally.

[0035] At the end of December of that year, 80% of the orchard can be covered with green ...

Embodiment 2

[0046]The green manure in the present embodiment 1 is replaced by vetch, and the method of green manure utilization in step (3) is replaced by allowing the green manure to bloom and bear fruit in the following year, and naturally die and cover between the rows. After the seeds fall to the ground, they become a new source of provenance, 9 The month again germinates and grows naturally, and other conditions are identical with embodiment 1. Compared with clear tillage, the output of the finally harvested citrus has increased by 10.8%, and the data such as soil fertility index and citrus quality index are equivalent to those in Example 1.

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Abstract

The invention discloses a planting method for green fertilizer plants in a citrus orchard in slope cropland in a three gorges reservoir region. The method comprises the steps of pretreatment of weedslocated among rows in the citrus orchard before the green fertilizer plants are sown, sowing of the green fertilizer plants and utilization of the green fertilizer plants, wherein the green manure plants are Vicia villosa Rothvar. and Vicia villosa Roth.. According to the method disclosed by the invention, the green fertilizer plants are planted in the whole orchard in the young and full fruit-bearing periods, so that construction of the ecological orchard and production of green fruits can be ensured, and income of fruit farmers can be increased; the method can reduce water and soil loss andfertilizer loss, reduce non-point source pollution, and improve a utilization rate of a fertilizer; and the method can inhibit growth of the weeds in the orchard and reduce use of herbicides.

Description

technical field [0001] The invention belongs to the field of crop planting, and in particular relates to a green manure planting method for citrus orchards on sloping fields in the Three Gorges reservoir area. Background technique [0002] The topography of the Three Gorges Reservoir area is dominated by sloping cultivated land, with mountains and hills accounting for more than 90% of the total area, and more than 60% of the cultivated land resources are dry slopes, of which 46% are cultivated land with a slope greater than 25°. This area is located in the subtropical humid monsoon area, suitable for the development of citrus industry, among which in 2009, the planting area of ​​citrus reached 200,000 hm 2 , the citrus industry has become the main source of the local rural economy, and the degree of intensification of citrus orchards has been strengthened day by day. However, due to the poor site conditions of a large number of new citrus orchards in this area, steep slopes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01C21/00
CPCA01C21/005A01G17/005
Inventor 石孝均张雨张宇亭陈新平易时来张跃强杨叶华方林发刘正兰
Owner SOUTHWEST UNIVERSITY
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