Method of planting vegetables in saline-alkali soil
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A planting method and saline-alkali land technology, applied in the field of vegetable planting in saline-alkali land, can solve the problems of long time consumption, large manpower and material resources, and slow effect, and achieve the effects of preventing salt return, increasing nutrients, and reducing alkalization degree
Inactive Publication Date: 2016-11-09
SHANDONG SUNWAY LANDSCAPE TECH
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Problems solved by technology
The improvement methods of saline-alkali land generally adopt physical methods, water conservancy methods, chemical methods, and biological methods.
Method used
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Embodiment 1
[0022] Embodiment one, Formula and production method of compound fertilizer
[0023] a. After the fresh cow dung is collected, it is determined whether it has undergone solid-liquid separation according to the needs. The solid matter enters the storage room, and then undergoes subsequent treatment, and the liquid enters the sewage treatment system;
[0024] b. When the solid manure enters the storage room, add a fermentation agent and some auxiliary materials for mixing. The equivalent dry matter needs cow manure to be 90%, and other auxiliary materials (mainly straw to rice bran ratio 30:9) equivalent to dry matter It is about 10%, the addition amount of fermentation bacteria agent is about 2-5‰, and the carbon-nitrogen ratio is adjusted to be about 28-32:1. After that, the mixed material enters the fermentation workshop. flip the sky once;
[0025] c. After 15 days of fermentation, measure the temperature. If it is above 40°C, it will continue to decompose. If it is below ...
Embodiment 2
[0030] Embodiment two, Growing Cabbage
[0031] (1) Selection of saline-alkali land
[0032] Select a saline-alkali soil plot with a 0-30 cm soil layer with a salt content of 0.7%, a pH of 8.4, a degree of alkalinity of 7-9%, a total soil porosity of 21%, and an air gap of 7%.
[0033] (2) Greenhouse construction
[0034] Build a planting greenhouse on the selected saline-alkali land, build a 4.5-meter-high support wall in the north, and erect a support at 4.0 meters south of the wall. The support is divided into a vertical part and a curved part. , the bracket between the vertical part and the supporting wall is called the curved part, the vertical part of the bracket is wrapped with thermal insulation film, and the thermal insulation inner film, grass curtain, thermal insulation outer film and sunshade net are laid in turn on the curved part from bottom to top, and at the same time Install the automatic roller shutter equipment on the supporting wall and bracket. Supple...
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Abstract
The invention discloses a method of planting vegetables in saline-alkali soil, comprising: establishing a planting greenhouse in a saline-alkali plot, applying compound fertilizer to the surface of greenhouse soil, subsoiling, burying micro-wetting tubes, preparing a vegetable bed, broadcasting seeds or transplanting with selected plant spacing and line spacing, and performing field management after seedling emergence or transplanting; the method is used for reforming the saline-alkaline soil. since the used compound fertilizer is special compound fertilizer having microbial activity, the fertilizer can provide fertility constantly and prevent plant disease and insect damage; the greenhouse design enables moisture in air to be utilized and enables automatic adjustment of temperature and automatic light supplementing, and water is automatically supplemented for irrigating and preventing salt return; after planting, economic benefit is created, soil conditions of a planting area are also effectively improved, pH is decreased from original 8.4 to 7.4, nutrients in the soil are significantly increased, alkalization degree is decreased to about 2.3%, soil total porosity is increased to about 48%, and air porosity is increased to about 16%; vegetable yield is high, and disease and pest damage occurrence is low.
Description
technical field [0001] The invention relates to the field of soil improvement in saline-alkali land, in particular to a vegetable planting method in saline-alkali land. Background technique [0002] The ecological restoration and improvement of saline-alkali land is a project that benefits the country and the people. It can increase the area of cultivated land, tap agricultural potential, and is more conducive to the development of the agricultural industry. The improvement methods of saline-alkali land generally adopt physical methods, hydraulic methods, chemical methods, and biological methods. Among them, the first three methods require a lot of manpower and material resources, and the fourth method takes a long time and has slow results. [0003] However, using biological methods to restore and improve the ecology of saline-alkali land can best solve the fundamental problem, so there are more researches in this area at present. Breeding saline-alkali-resistant green p...
Claims
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