CN104160904A - Method for transforming short-old tree low yield citrus orchard - Google Patents

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

The remodeling method in oranges and tangerines stunted tree low yield garden

Technical field

The present invention relates to citriculture, specifically the remodeling method in oranges and tangerines stunted tree low yield garden.

Background technology

Oranges and tangerines are one of important fruit of south China, many local industries that become peasant programme.But, also have minority orchard, due to extensive management, there are firm kind 4,5 years, just prematurely senile, branch is few, growing way is weak, few without output or output, formed " stunted tree " low yield garden.

Summary of the invention

The remodeling method that the object of this invention is to provide oranges and tangerines stunted tree low yield garden.

The technical scheme that realizes the object of the invention is:

The remodeling method in oranges and tangerines stunted tree low yield garden, comprises the steps:

1, plough deeply and improve the soil, upgrade root system;

Peripheral along field planting hole, expand year by year cave, the thick root of cut-off parts and radicula, lure the dark raw and expansion of root into;

2, heavy dressing base manure;

When improving the soil in deep ploughing, upgrade root system, heavy dressing fertilizer, every mu of 3000 jin of left and right, and mating part quick-acting fertilizer;

3, suitably heavy pruning, upgrades tree crown;

Branch retraction heavy pruning to larger, makes it again to send enriching shoot, forms sturdy skeleton, at young sprout germination period, execute bud front fertile, attacks tip fertilizer, attacks tip fertilizer and take the quick-acting fertilizers such as night soil as main, will cultivate sturdy autumn growth especially;

4, do the control of damage by disease and insect well;

Yao Qing in winter garden, spray lime sulfur, will carry out the control of damage by disease and insect in the season of growth.

Advantage of the present invention is: the transformation through above-mentioned measure 1-2, can recover tree vigo(u)r, restoration result ability.

Embodiment

Embodiment

The remodeling method in oranges and tangerines stunted tree low yield garden, comprises the steps:

1, plough deeply and improve the soil, upgrade root system;

Peripheral along field planting hole, expand year by year cave, the thick root of cut-off parts and radicula, lure the dark raw and expansion of root into; Thick root to cave ditch internal cutting off will cut flat wound, and otch will be smeared the methyl α-naphthyl acetate of 100-1500mg/kg, and being beneficial to is completely cured heals and promotes new root;

2, heavy dressing base manure;

When improving the soil in deep ploughing, upgrade root system, heavy dressing fertilizer, take farmyard manure, barnyard manure, green manure as main, and every mu of 3000 jin of left and right coordinate the quick-acting fertilizers such as nitrogen, phosphorus, potassium, micro-fertilizer simultaneously;

3, suitably heavy pruning, upgrades tree crown;

Branch retraction heavy pruning to larger, makes it again to send enriching shoot, forms sturdy skeleton, at young sprout germination period, execute bud front fertile, attacks tip fertilizer, attacks tip fertilizer and take the quick-acting fertilizers such as night soil as main, will cultivate sturdy autumn growth especially;

4, do the control of damage by disease and insect well;

Yao Qing in winter garden, spray lime sulfur, will carry out the control of the insect pests such as the control of the diseases such as shot hole, canker, anthracnose and leaf miner, two spotted spider mite in the season of growth.

Claims (1)

1. the remodeling method in oranges and tangerines stunted tree low yield garden, is characterized in that: comprise the steps:

(1) plough deeply and improve the soil, upgrade root system;

Peripheral along field planting hole, expand year by year cave, the thick root of cut-off parts and radicula, lure the dark raw and expansion of root into;

(2) heavy dressing base manure;

When improving the soil in deep ploughing, upgrade root system, heavy dressing fertilizer, every mu of 3000 jin of left and right, and mating part quick-acting fertilizer;

(3) suitably heavy pruning, upgrades tree crown;

Branch retraction heavy pruning to larger, makes it again to send enriching shoot, forms sturdy skeleton, at young sprout germination period, execute bud front fertile, attacks tip fertilizer, attacks tip fertilizer and take the quick-acting fertilizers such as night soil as main;

(4) do the control of damage by disease and insect well;

Yao Qing in winter garden, spray lime sulfur, will carry out the control of damage by disease and insect in the season of growth.