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Tea garden fertilization method based on reduction of fertilization amount and times

A fertilization method and tea garden technology, applied in fertilization methods, soil preparation methods, fertilization devices, etc., can solve the problems of tea garden soil nutrient imbalance, low tea yield and quality, and fertility decline, so as to reduce the frequency of fertilization and maintain sustainable use , the effect of increasing the level of fertility

Inactive Publication Date: 2019-02-15
四川省农业科学院茶叶研究所 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems of unscientific fertilization methods such as blindly applying nitrogen fertilizer and less organic fertilizer commonly existing in tea farmers at present, which lead to low tea yield and quality, imbalance of tea garden soil nutrients, and decline in fertility, the invention provides a tea garden fertilization method. Reduce the frequency and amount of fertilization of tea trees on the basis of maintaining tea production, and improve the soil fertility level of tea gardens

Method used

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Embodiment 1

[0020] The invention provides a tea garden fertilization method with reduced quantity and times, which is specifically divided into fertilization of tea gardens on plains or hills with gentle slopes and fertilization of tea gardens on mountainous areas or hills with steep slopes.

[0021] Fertilization for tea gardens on plains or hills with gentle slopes

[0022] (1) Application of base fertilizer: from late October to early November, open 10-20cm ditches between the tea rows, if the distance between the tea rows is less than 1.5 meters, just open a ditch in the middle of the tea rows; if the distance between the tea rows is greater than 1.5 meters It is advisable to ditch along the drip line of the tea canopy on one side in turn. Depending on the degree of soil acidification, apply 80-160 kg / mu of acidic soil conditioner on the bottom of the ditch, 160 kg / mu for soil pH below 4.0, 80 kg / mu for soil pH 4.0-5.0, and 80 kg / mu for soil pH higher than 5.0 May not be used. Then ...

Embodiment 2

[0030] Due to the increasing acidification of tea garden soil, which has a negative impact on the growth and quality of tea trees, this fertilization method specially adds soil conditioner to the fertilization to slowly increase the pH of the soil. At the same time, in order to improve the utilization efficiency of fertilizers, reduce the application amount of fertilizers, and reduce the environmental pressure brought by fertilization of tea gardens on the ecological environment, in this fertilization method, slow and controlled release urea is used instead of ordinary urea, and fertilization by ditching and fertilization is used instead of extensive fertilization. Fertilizer application for tea gardens by spreading on the surface. According to the results of two consecutive years of use in Zhongfeng Township, Mingshan District, Ya'an City, Sichuan Province from 2017 to 2018, the soil pH increased from 3.9 to 4.4, an increase of 0.5 pH units; the yield of fresh tea leaves incre...

Embodiment 3

[0033] In order to improve the utilization efficiency of fertilizers used in tea gardens, reduce the amount of fertilizers applied, and reduce the environmental pressure brought by fertilization in tea gardens on the ecological environment, in this fertilization method, slow and controlled release urea is used instead of ordinary urea, and fertilization by ditching fertilization is used instead of extensive fertilization. Fertilizer application for tea gardens by spreading on the surface. According to the results of two consecutive years of use in Wolong Town, Qionglai City, Chengdu City, Sichuan Province from 2017 to 2018, the yield of fresh tea leaves increased by 6.4%, and the nitrogen utilization rate increased by 4.6 percentage points. The specific fertilization measures are as follows:

[0034] Apply spring fertilizer in mid-to-late January, ditch 10-20cm deep and 20cm wide, spread resin-coated slow-release urea (N 43.2%) evenly in the ditch according to the dosage of 20 k...

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Abstract

The invention discloses a tea garden fertilization method based on reduction of fertilization amount and times. The method comprises following steps: application of base fertilizer: ditching is performed between tea lines from late October to early November, an acid soil conditioner is applied to ditch bottoms according to soil property conditions, special fertilizer for tea trees and sustained orcontrolled release urea are mixed uniformly and applied to the ditches, and then the ditches are earthed up; application of spring fertilizer: ditching is performed between the tea lines in mid-to-late January, special topdressing for the tea trees is applied, the fertilizer is uniformly applied to the ditches, and then the ditches are earthed up; application of autumn fertilizer: urea is uniformly scattered and applied along tea clumps before raining in mid-to-late May. According to the method, fertilization times and amount of the tea trees can be reduced on the basis of guarantee of tea yield, and soil fertility level of a tea garden is improved.

Description

technical field [0001] The invention belongs to the technical field of tea tree planting, and in particular relates to a fertilization method for tea gardens with reduced quantity and times. Background technique [0002] Fertilization is one of the important technical contents of supplementing nutrients in tea gardens. The soil is rich in various nutrients, which complement each other to ensure the growth status of tea trees and tea output. Tea tree is a perennial leaf plant. The young shoots and leaves of tea tree are the high-quality tea raw materials picked. In order to ensure the output of tea tree and the quality of tea, the soil needs to have suitable nutrients, so it is necessary to continuously apply fertilizers. to supplement nutrition. [0003] At present, the fertilization of tea gardens in my country mainly has the following problems: (1) The fertilization of tea gardens is polarized. Some tea gardens are seriously overfertilized, especially some tea gardens th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C21/00A01B79/02
CPCA01B79/02A01C21/00
Inventor 唐晓波曾祥忠张厅杨宇杰王小萍刘飞陈坤
Owner 四川省农业科学院茶叶研究所
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