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Composite modifying agent for controlling non-citrus greening disease type citrus chlorosis and application method thereof

A technology of citrus yellowing and application method, which is applied in the field of compound improver for treating non-huanglongbing type citrus yellowing, can solve problems such as shortage, and achieve yellowing without rebound, low investment, root system and its The effect of improving the rhizosphere environment

Inactive Publication Date: 2013-08-21
INST OF AGRI RESOURCES & ENVIRONMENT GUANGDONG ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is still a lack of patent literature and related reports on the preparation of improvers from the perspective of comprehensive soil regulation for citrus yellowing

Method used

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  • Composite modifying agent for controlling non-citrus greening disease type citrus chlorosis and application method thereof
  • Composite modifying agent for controlling non-citrus greening disease type citrus chlorosis and application method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] This embodiment is a shatang orange orchard with more sand grains and stronger acidity, and the degree of yellowing is moderate. The improvement plan is: add 40kg of water to 50kg of fire-burned soil, 30kg of bio-organic fertilizer, and 13kg of slaked lime, mix evenly, pile up for 120 hours, turn over the pile, cool down to normal temperature, and then mix 7kg of compound microbial bacterial agent with it to obtain Composite improver. At the end of December 2009, choose sunny weather, pick all the fruits, thin out overlapping branches and cross branches, and cut off all branches with a diameter of less than 0.6 cm. Open a ditch near the drip line of the crown, the ditch is 20-25cm wide and 25-30cm deep, clean up the necrotic root system, and dry the ditch for a day. The next day, add 13kg / plant of improver and cover with soil. At the end of December 2010, the program was implemented again, and the dosage of the improver was not reduced due to the improvement of the ye...

Embodiment 2

[0031] This example is a tribute orange orchard with better soil texture and stronger acidity, and the degree of yellowing is serious. The improvement plan is: add 35kg of water to 45kg of fire-burned soil, 35kg of bio-organic fertilizer, and 10kg of slaked lime, mix evenly, pile up for 180 hours, turn over the pile, cool down to normal temperature, and then mix 8kg of compound microbial bacterial agent with it to obtain Composite improver. At the end of December 2009, choose sunny weather, pick all the fruits, thin out overlapping branches and cross branches, and cut off all branches with a diameter of less than 0.8 cm. Open a ditch near the drip line of the crown, the ditch is 20-25cm wide and 25-30cm deep, clean up the necrotic root system, and dry the ditch for a day. The next day, add 10kg / plant of improver and cover with soil. At the end of December 2010, the program was implemented again, and the dosage of the improver was not reduced due to the improvement of the yel...

Embodiment 3

[0035] Example 3 is a spring sweet orange orchard with relatively viscous soil and weak acidity, and the degree of yellowing is mild. Add 40kg of water to 60kg of fire-fired soil, 25kg of bio-organic fertilizer, and 15kg of slaked lime, mix evenly, pile up for 240 hours, turn over the pile, cool down to normal temperature, and then mix 5kg of compound microbial agent with it to obtain a compound improver. At the end of February 2009, choose sunny weather, pick all the fruits, thin out overlapping branches and cross branches, and cut off all branches with a diameter of less than 0.3 cm. Open a ditch near the drip line of the crown, the ditch is 20-25cm wide and 25-30cm deep, clean up the necrotic root system, and dry the ditch for a day. The next day, add 15kg / plant of improver and cover with soil. At the end of February 2010, the program was implemented again, and the dosage of the improver was not reduced due to the improvement of the yellowing degree.

[0036] Among them, ...

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Abstract

The invention discloses a composite modifying agent for controlling non-citrus greening disease type citrus chlorosis. The composite modifying agent is a mixture obtained by uniformly mixing the following components in parts by weight: 45-60 parts of fired borrowed soil, 25-35 parts of biological organic fertilizer, 10-15 parts of slaked lime, 5-8 parts of composite microbial agent and 35-45 parts of water. An application method comprises the following steps of: removing all fruits and pruning according to the requirements during harvest time or approaching the harvest time, opening ditches in the vicinity of dripping lines of tree crowns in sunny weather, clearing necrotic root systems, sunning the ditches for one day, adding the composite modifying agent in the next day according to the proportion of 10-15kg / plant, and covering soil; and continuously applying for 2-3 years. The composite modifying agent disclosed by the invention can change the health status of a citrus industrial park zone, promote the balance of nutrients of soil and the microbial activity and improve the maturation rate of fruits.

Description

technical field [0001] The invention relates to the field of citrus planting, in particular to a compound improver for treating non-huanglongbing type citrus yellowing and an application method thereof. Background technique [0002] At present, in southern citrus growing areas, citrus yellowing is becoming more and more serious due to unreasonable cultivation measures, unscientific fertilizer application, and pathogen infection. According to statistics, more than 60% of the area in Guangdong has different degrees of yellowing. Symptoms of yellowing are: in spring, the tree is weak and has many flowers, the flowers on the tree have poor adhesion, and there are fewer shoots; in summer, with the increase in the nutritional demand of the fruit, the leaves appear typical symptoms of deficiency, especially zinc deficiency, The phenomenon of magnesium and boron is serious, the growth point is inhibited, and the fruit expansion speed is slowed down; the shoots are slow or unable to...

Claims

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Application Information

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IPC IPC(8): C05G3/04A01C21/00C05G3/80
Inventor 逄玉万徐培智张发宝唐拴虎解开治黄旭顾文杰蒋瑞萍李苹黄巧义卢钰升付弘婷易琼刘春明
Owner INST OF AGRI RESOURCES & ENVIRONMENT GUANGDONG ACADEMY OF AGRI SCI
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