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Method for applying trace element fertilizer to fruit trees

A technology of trace element fertilizers and fruit trees, applied in fertilization methods, fertilization devices, fertilizer mixtures, etc., can solve the problems of low soil moisture content, poor mobility of trace elements, easy oxidation and fixation, etc., to reduce labor, improve utilization efficiency, cost reduction effect

Active Publication Date: 2017-09-26
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although many methods can improve the utilization rate of a large number of elements in fertilizers, the two dominant apple producing areas in the Northwest Loess Plateau and the Bohai Bay Rim are located in the north, where the soil is mainly alkaline and the soil moisture content is low, which is still unavoidable. The contact between trace element fertilizer and soil, the mobility of trace elements is poor, easy to be oxidized and fixed, it is difficult to significantly improve the utilization efficiency of trace elements

Method used

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  • Method for applying trace element fertilizer to fruit trees
  • Method for applying trace element fertilizer to fruit trees
  • Method for applying trace element fertilizer to fruit trees

Examples

Experimental program
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Effect test

Embodiment 1

[0021] see figure 1 , in March, dig a soil pit 1-1.5m away from the trunk of the apple tree. The diameter of the soil pit is about 50cm and the height is about 80cm. Straw 5 and sprinkle a small amount of compound fertilizer, put the storage bucket 3 in the pit, stuff the root system dug when digging the pit into the storage bucket, fill the plastic bucket with rotten apple tree fallen leaves or crop stalks and In the upper part, the mouth of the soil pit is arc-shaped on the ground, covered with a layer of polyethylene film.

[0022] The volume 3 of the storage tank is 4L, and the material is polyethylene. The upper part of the storage tank is connected to a feed pipe 2, and the granular fertilizer 4 or liquid fertilizer is delivered to the storage tank through the syringe 1 or funnel. The feed pipe is a PVC pipe with an inner diameter of It is 1cm.

[0023] After the barrel is buried, add 20mmol L through the feeding tube -1 NaNO 3 , 40mmol·L -1 CaCl 2 , 20mmol·L -1...

Embodiment 2

[0037] see figure 1 , in March, dig a soil pit 1-1.5m away from the trunk of the apple tree. The diameter of the soil pit is about 50cm and the height is about 80cm. Straw and sprinkle a small amount of compound fertilizer, put the storage barrel in the pit, stuff the root system dug when digging the pit into the storage barrel, fill the plastic barrel with rotten apple tree leaves or crop straw around and on the top, The ground is arc-shaped, covered with a layer of polyethylene film, put rotten apple tree leaves or crop stalks in the pit, and sprinkle a small amount of compound fertilizer to provide a loose and fertile growth environment for the apple root system, which is conducive to the root system in storage. Grow around the bucket to absorb the overflowing 2L nutrient solution, and also facilitate the extension of the external root system into the storage bucket. The ground is arc-shaped and covered with polyethylene film to prevent summer rainwater from overflowing int...

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Abstract

The invention provides a method for applying trace element fertilizers to fruit trees. A pit is dug near the main trunk of the fruit tree, a storage bucket is placed in it and connected to a feeding pipe, and the root system is inserted into the storage bucket. A layer of polyethylene film is covered on the top, and slow and controlled release trace element fertilizers and nutrient solutions are added to the barrel through the feed pipe. According to the law of demand of apples for trace elements, the method of the present invention adopts the method of combining direct absorption by roots and slow and controlled release to improve the absorption efficiency of fruit trees to micronutrients, especially to effectively supplement relatively deficient iron, boron, and zinc elements. The method operates Simple, quick and long-lasting effect, which is beneficial to reduce the cost of purchasing micro-fertilizers for fruit farmers.

Description

technical field [0001] The invention relates to the field of plant nutrition, in particular to a method for applying trace element fertilizers to fruit trees. Background technique [0002] China is the world's largest producer of apples, and apples are also China's main fruit. According to statistics from the Food and Agriculture Organization of the United Nations (FAO), in 2007, the total apple planting area in China was 2 million ha 2 , the total output is 27.5 million tons, the planting area and output account for 18.7% of the total fruit area and 26.5% of the total fruit output respectively, and the apple cultivation area, total output, and per capita share rank first in the world. Among them, the area and output of the two dominant production areas located in the Northwest Loess Plateau and the Bohai Bay Rim accounted for 87% and 89% of the country's total respectively, and there is still an increasing trend. [0003] In the process of apple production, not only large...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G1/00C05G3/00A01C21/00
Inventor 吴良欢马庆旭
Owner ZHEJIANG UNIV