Method for biological cultivation of citrus orchard by inducing earthworms to directionally move through water and fertilizers

A technology of directional movement and earthworms, applied in the field of orange orchard biological farming, can solve the problems of being unable to control the direction and range of earthworm activities, limiting the range of earthworm biological farming, and reducing the effect of earthworms, so as to promote the growth of citrus, improve disease resistance, improve The effect of soil physical structure

Active Publication Date: 2019-11-08
HUAZHONG AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this process, people cannot control the direction and range of earthworm activities, so it is difficult to achieve key plowing in specific areas (such as the rhizosphere) according to the needs of agricultural production
In addition, the characteristics of earthworms tending to fertilizer and water make earthworms more willing to stay in humid areas rich in organic matter, which further reduces the effect of conventional earthworm bio-farming and limits the scope of earthworm bio-farming

Method used

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  • Method for biological cultivation of citrus orchard by inducing earthworms to directionally move through water and fertilizers
  • Method for biological cultivation of citrus orchard by inducing earthworms to directionally move through water and fertilizers
  • Method for biological cultivation of citrus orchard by inducing earthworms to directionally move through water and fertilizers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] It was carried out in the main citrus producing area of ​​Yichang City, Hubei Province. The citrus variety in the implementation site was seedless ponkan in the 13-year fruiting period. The soil organic matter content was 16.3g / kg, the total nitrogen content was 1.14g / kg, and the soil was relatively fertile. The population density of earthworms in the soil is 6 / m 2 .

[0035] (1) Dig a fertilization ditch on both sides of the citrus tree row (A side, B side) along the outside of the drip line of the tree crown after fruit picking every year. The fertilization ditch is 50 cm deep and 60 cm wide.

[0036] (2) Apply fully decomposed cow dung and straw mixture in the fertilization ditch, and the C / N of organic materials is 32. Cover soil about 5cm above the fertilization ditch to be flush with the ground surface.

[0037] (3) Set drip irrigation facilities directly above the fertilization ditch.

[0038] (4) According to the demand of the tree body, the drip irrigation f...

Embodiment 2

[0040] Implementation site and basic situation are the same as embodiment 1.

[0041] (1) Dig a fertilization ditch on both sides of the citrus tree row (A side, B side) along the outside of the drip line of the tree crown after fruit picking every year. The fertilization ditch is 50 cm deep and 60 cm wide.

[0042] (2) Apply commercial organic fertilizer in the fertilization ditch, and the organic material C / N is 28. Cover soil about 5cm above the fertilization ditch to be flush with the ground surface.

[0043] (3) Set drip irrigation facilities directly above the fertilization ditch.

[0044] (4) According to the demand of the tree body, the drip irrigation facilities above the fertilization ditch on both sides of the citrus tree row (A side, B side) are alternately irrigated, and the water volume of the drip irrigation is controlled to ensure that the water content of the fertilization ditch below the drip irrigation facilities is maintained at 50%-70 %, thereby inducing t...

Embodiment 3

[0055] It was carried out in the main citrus producing area of ​​Yuxi City, Yunnan Province. The citrus variety implemented was 8-year-old rock sugar orange. The soil organic matter content was 8.25g / kg, the total nitrogen content was 0.87g / kg, and the soil fertility was average. Indigenous earthworms exist in the soil, but the population density is less than 1 / m 2 .

[0056] (1) Dig a fertilization ditch on both sides of the citrus tree row (A side, B side) along the outside of the drip line of the tree crown after picking fruit every year. The fertilization ditch is 40cm deep and 50cm wide.

[0057] (2) Apply organic material in the fertilization ditch, the organic material is 50% fully decomposed cow dung, smoke foam, sugar mud and 50% fresh vermicompost mixed, the organic material C / N is 26. Cover soil about 3cm above the fertilization ditch to be flush with the ground surface.

[0058] (3) Set drip irrigation facilities directly above the fertilization ditch.

[0059] ...

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Abstract

The invention discloses a method for biological cultivation of a citrus orchard by inducing earthworms to directionally move through water and fertilizers. The method includes the steps: digging dressing furrows in two sides of a citrus tree row along the outer side of a crown water drip, arranging drop irrigation facilities right above the dressing furrows and then applying organic materials intothe dressing furrows; controlling the drop irrigation facilities above the dressing furrows on the two sides of the citrus tree row to perform alternating irrigation and inducing the earthworms to directionally move; alternately inducing the earthworms on the two sides to move back and forth on two sides of a tree body to realize biological cultivation of the citrus orchard. Biological cultivation of citrus orchard soil is performed by making full use of biological characteristics of the earthworms. Compared with zero tillage of a traditional citrus orchard, soil physical structures are improved. Compared with mechanical clean tillage of the traditional citrus orchard, damage to a root system of the citrus tree body is avoided in the cultivation process, and cultivation cost is also reduced.

Description

technical field [0001] The invention relates to the technical field of fruit tree cultivation, in particular to a method for biological cultivation of orange orchards by using water and fertilizer to induce directional movement of earthworms. Background technique [0002] Citrus is one of the most widely planted fruit trees in the world. my country has a long history of citrus cultivation. In 2014, the output of citrus in my country reached 3.49×10 7 t, the citrus planting area reached 2.52×10 7 hm 2 . Citrus is a perennial evergreen fruit tree, and its growth characteristics make it difficult to plow the orange orchard soil. At present, some orange orchards implement no-tillage system, but long-term no-tillage will cause soil compaction, affect the growth of citrus root system, and aggravate citrus diseases and insect pests; It is easy to damage the roots too much, resulting in slightly dry and aging branches, and slow growth of the aboveground part, and most of the mac...

Claims

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Application Information

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IPC IPC(8): A01B79/02A01G17/00A01K67/033
CPCA01B79/02A01G17/005A01K67/0332Y02P60/20
Inventor 伍玉鹏姜炎彬胡承孝胡荣桂王佳
Owner HUAZHONG AGRICULTURAL UNIVERSITY
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