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Method for transforming short-old tree low yield citrus orchard

A technology for small old trees and low-yielding orchards, applied in the field of citrus cultivation, can solve the problems of non-yield yield, few branches, weak growth, etc., and achieve the effect of restoring tree vigor and restoring the ability to bear fruit.

Inactive Publication Date: 2014-11-26
杨兆寅
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are also a small number of orchards, due to extensive management, just 4 or 5 years after planting, they will senile prematurely, have few branches, weak growth, no yield or low yield, forming a "little old tree" low-yield orchard

Method used

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Examples

Experimental program
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Effect test

Embodiment

[0016] A method for improving low-yield orchards of small old citrus trees, comprising the steps of:

[0017] 1. Deep plowing to improve the soil and renew the root system;

[0018] Along the periphery of the planting pit, expand the hole year by year, cut off some thick and thin roots, and induce deep root growth and expansion; cut off the thick roots in the hole ditch to flatten the wound, and apply 100-1500mg / kg of naphthaleneacetic acid on the incision, which is beneficial Root cuts heal and promote new root growth;

[0019] 2. Reapply base fertilizer;

[0020] While deep plowing to improve the soil and renew the root system, reapply organic fertilizers, mainly farm manure, barn manure, and green manure, about 3,000 catties per mu, and at the same time use nitrogen, phosphorus, potassium, micro-fertilizer and other quick-acting fertilizers;

[0021] 3. Properly re-cut and renew the crown;

[0022] Retract and re-cut the larger branches to make them re-grow strong branch...

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PUM

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Abstract

The invention discloses a method for transforming a short-old tree low yield citrus orchard. The method comprises the following steps that (1) deep tillage, soil amelioration and root system renewal are conducted, wherein pit expansion is conducted year by year along the peripheries of field planting pits, part of thick roots and thin roots are cut off, and roots are led to grow deeply and expand; (2) base fertilizer is applied repeatedly, wherein organic fertilizer is applied repeatedly while deep tillage, soil amelioration and root system renewal are conducted, organic fertilizer of about 1500 kg is applied each mu, and part of quick-acting fertilizer is matched; (3) proper repeated pruning is conducted to achieve crown renewal, wherein large branches are cut back and pruned repeatedly so that strong branches can grow out of the branches, a solid framework is formed, pre-emergence fertilizer and shoot promotion fertilizer need to be well applied in the shoot emergence state, the shoot promotion fertilizer is mainly composed of quick-acting fertilizer such as night soil, and solid autumn shoots need to be especially cultured; (4) diseases and insect pests need to be well controlled, wherein the orchard needs to be cleaned in winter, lime sulphur is sprayed, and the diseases and the insect pests need to be well controlled in the growth season. The method has the advantages that tree vigor and the bearing capacity can be recovered after transformation is conducted through the measures for one to two year.

Description

technical field [0001] The invention relates to citrus cultivation, in particular to a method for transforming low-yield orchards of small old citrus trees. Background technique [0002] Citrus is one of the important fruits in southern my country, and it has become an industry for farmers to get rid of poverty and become rich in many places. However, there are also a small number of orchards, due to extensive management, appearing just 4 or 5 years after planting, premature aging, few branches, weak growth, no yield or low yield, forming a "little old tree" low-yield orchard. Contents of the invention [0003] The purpose of the invention is to provide a method for transforming low-yield orchards of small old citrus trees. [0004] The technical scheme that realizes the object of the present invention is: [0005] A method for improving low-yield orchards of small old citrus trees, comprising the steps of: [0006] 1. Deep plowing to improve the soil and renew the root...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00
Inventor 杨兆寅
Owner 杨兆寅
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