Method for improving soda saline-alkali land by wolfberry ecological forest

A technology of soda saline-alkali land and ecological forest, which is applied in the fields of land preparation, cultivation, agricultural machinery and implements, etc., can solve the problems of waste of water resources, high cost, high application amount of improvers, etc., to improve productivity, promote alkali reduction and desalination, The effect of reducing development costs

Pending Publication Date: 2020-03-27
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the technical problems of high cost and waste of water resources caused by using a high amount of improver in the existing soda-alkali land improvement method, and to provide a method for improving soda saline-alkali land by wolfberry ecological forest

Method used

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Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0034] Specific embodiment one: the method for the improvement of soda saline-alkali land in the Lycium barbarum ecological forest in the present embodiment is as follows:

[0035] 1. Lot selection:

[0036] Choose soda saline land with pH<9.5;

[0037] 2. Subsoiling and soil preparation:

[0038] Before freezing or before planting wolfberry seedlings in spring, carry out mechanical subsoiling at a depth of 40cm to 60cm, and prepare the ground after subsoiling;

[0039] 3. Ditching with seedlings:

[0040] According to the seedling belt spacing of 1.95m-2.6m (to facilitate later field management of small-scale agricultural machinery intertillage operations), the seedling belts are ditched with a width of 40-65cm and a depth of 60cm-80cm to increase the soil permeability of the seedling belts;

[0041] 4. Lycium barbarum planting:

[0042] Before planting wolfberry, spread compound fertilizer (three-element compound fertilizer with the total content of N, P and K greater th...

specific Embodiment approach 2

[0053] Specific implementation mode two: the difference between this implementation mode and specific implementation mode one is that the prevention and treatment of diseases, insect pests and weeds described in step seven are as follows:

[0054] Diseases: Spray lime sulfur once a year in spring;

[0055] Underground pests: Use poisonous soil and organic fertilizers;

[0056]Ground pests: adopt biological control, 40% dimethoate EC 1000-2000 times liquid, spray on the plants with a sprayer;

[0057] Weeding in the field: mechanical intertillage and weeding 2 to 3 times a year. Others are the same as the first embodiment.

specific Embodiment approach 3

[0058] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is that the fruit picking time starts from the second year after the wolfberry is planted, and the fruits are manually picked from late July to early October every year. Others are the same as those in Embodiment 1 or 2.

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Abstract

The invention discloses a method for improving a soda saline-alkali land by a wolfberry ecological forest, and relates to a method for improving the soda saline-alkali land. The method is to solve thetechnical problem that the existing method for improving the soda alkali land uses a modifier with a high application amount, as a result, the cost is high and water resources are wasted. The methodis as follows: 1, land selection; 2, deep-loosening and soil preparation; 3, seedling belt ditching; 4, wolfberry planting; 5, water and fertilizer management; 6, shaping and trimming; 7, prevention and treatment of diseases and insect pests and weeds; and 8, fruit picking. The method of the invention does not use a chemical modifier, the initial land development cost is reduced, cost-saving and efficiency-enhancing are realized, the operation method is simple and convenient, and the important technical support can be provided for the sustainable production and utilization of the soda saline-alkali land. After improvement by using the method of the invention, the pH value of a saline-alkali land with a pH value of 9.25-9.56 and a salt content of 0.3%-0.5% can be reduced to 8.65, and a desalination rate can reach 35.8%. The invention belongs to the field of saline-alkali land improvement.

Description

technical field [0001] The invention relates to a method for improving soda saline, in particular to a method for improving soda saline in wolfberry ecological economic forest. Background technique [0002] Wolfberry (Lydum chinense Mil1.) is a perennial deciduous shrub of Solanaceae. Its leaves, roots, and skins all have a wide range of medicinal values, especially the fruit contains a variety of nutrients, which have the functions of nourishing the kidney, nourishing the liver, improving eyesight, promoting blood circulation, and resisting diseases. Lycium barbarum has strong adaptability and is mostly planted on arid, sandy, saline-alkali land. For areas with more barren beaches and saline-alkali land, wolfberry can be used as an important plant for wasteland utilization. Lycium barbarum is mainly produced in Ningxia and Gansu, and is artificially cultivated all over the country. [0003] The distribution area of ​​soda saline-alkali land in the west of Songnen Plain is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/02A01G17/00
CPCA01B79/02A01G17/005
Inventor 陈国双刘宏远李秀军鲁新蕊白玉锋秦艳
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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