CN106358480A

CN106358480A - Method for improving yellow soil

Info

Publication number: CN106358480A
Application number: CN201610684847.5A
Authority: CN
Inventors: 庞锦霞
Original assignee: Guangxi Xin Ya Wongtee Garden Engineering LLC
Current assignee: Guangxi Xin Ya Wongtee Garden Engineering LLC
Priority date: 2016-08-18
Filing date: 2016-08-18
Publication date: 2017-02-01

Abstract

The invention discloses a method for improving yellow soil. The method comprises the following steps: 1) mixing yellow soil, saw dust, coal slag and plant ash according to the volume proportion of the yellow soil to the saw dust to the coal slag to the plant ash being 1 to 0.2-0.5 to 0.5 to 0.2-0.5; 2) applying quicklime to the mixed soil obtained in the step 1); 3) airing alfalfa seeds for 2-3 days, and inoculating the aired seeds with alfalfa rhizobium; 4) sowing the inoculated alfalfa seeds in the mixed soil, wherein the sowing depth is 1-2 cm and the sowing amount is 7-8.5 kg/hectare; 5) putting earthworms into the field after the alfalfa seedlings grow out; and 6) harvesting the alfalfa after the alfalfa is mature, carrying out soil turning after harvesting, and then applying an organic fertilizer. The organic fertilizer is applied to the land in the planting process, the nitrogen fixing effect of the alfalfa and the excreta of the earthworms increase the organic substance of the soil; the alfalfa root system is well developed, so that soil is loosened, and the movement of the earthworms also increases the soil breathability.

Description

A kind of modification method of yellow soil

Technical field

This law is related to soil improvement field, particularly a kind of modification method of yellow soil.

Background technology

Yellow soil is dead loess, bitter yellow mud again.Soil property glues weight, and farming is difficult, corrodes serious, topsoil is shallow.The masses describe Say: " one knife when dry, mess of raining." in this kind of grown on soil crops, fertilizer deficiency and hydropenia. yield poorly.Low yield former Cause: heavy texture, structural difference, topsoil is shallow, and easily drought is easily flooded；Effective fertility is low, and permeability is poor, and nutrients release is slow；Tilth Bad. difficult cultivated and difficult rake, soil aciditiy is higher, and available phosphorus content is low.

The existing method to yellow soil improvement is mainly increasing application phosphorus potassium fertilizer, mixes sand and improve the soil, though only mixing sand by fertilising The soil property of yellow soil so can be improved, but effect not obvious, also it is not enough to yellow soil to be modified to garden mould.

Content of the invention

In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of modification method of yellow soil is so that Huang Soil can reach garden mould grade through improvement.

In order to achieve the above object, the technical scheme that the present invention provides is as follows:

A kind of modification method of yellow soil, comprises the following steps:

1), yellow soil by volume: sawdust: coal slag: plant ash=1: 0.2-0.5: 0.5: 0.2-0.5 composite soil, saw End, coal slag and plant ash, obtain composite soil；

2), in step 1) in apply quick lime on the composite soil that obtains, applied calculogenesis ash quantity is 20-25 kg/ha；

3), by alfalfa seed dry in the sun 2-3 days, the good seed inoculation rhizobium melioti of dry in the sun, every kilogram of seed is with 5 grams Microbial inoculum, makes bacterium solution and is sprinkled upon on seed, be sufficiently stirred for；

4), the alfalfa seed that sowing inoculation finishes on composite soil, depth of planting is 1-2cm, and application rate is 7-8.5 Kg/ha；

5), grow after seedling after alfalfa, throw in Lumbricuss toward field；

6), gathered in after alfalfa maturation, digged after harvesting, then organic fertilizer.

Preferably, the sowing time of described alfalfa is early spring.

Preferably, the type of seeding of described alfalfa is to broadcast sowing.

Preferably, soil to be ploughed deeply before described alfalfa sowing.

Preferably, the injected volume of described Lumbricuss is 1-3 kilogram.

Preferably, during described Growth of Alfalfa, irregularly fertilizer is added to it.

Beneficial effects of the present invention:

1) alfalfa has the root system of prosperity, can provide substantial amounts of organic substance for soil, and can draw from deep subsoil Calcium element, reduces phosphate, is retained in arable layer, forms organic colloid through decomposition, can make the stable granule of Zinc fractions, improves Soil physical and chemical property；Alfalfa is leguminous plant, and its root nodule can be fixed the nitrogen in air, increase soil fertility, and purple Animal feed can be processed as after Herba Trigonellae Ruthenicae maturation.

2) motion of Lumbricuss and Excreta are highly profitable to the quality improving soil, and the breathability of soil can be made to keep good Good, make Soil conservation health status, and Lumbricuss energy chesson, increase the soil organism and improve structure moreover it is possible to promote acid Property or basic soil be changed into neutral soil, increase the quick-acting compositions such as phosphorus, make soil be suitable to the growth of crops.

3), after alfalfa maturation is gathered in, soil can be changed into pitchy garden mould from yellow soil.

Specific embodiment

Embodiment 1

The present embodiment sowing time is early spring.

A kind of modification method of yellow soil, comprises the following steps:

1), yellow soil by volume: sawdust: coal slag: plant ash=1: 0.5: 0.5: 0.3 composite soil, sawdust, coal slag And plant ash, obtain 1 hectare of composite soil；

2), in step 1) in apply 20 kilograms of quick lime on the composite soil that obtains, after applying quick lime, soil is ploughed deeply；

3), the alfalfa seed of 8.5 kilograms of dry in the sun 3 days, the good seed inoculation rhizobium melioti of dry in the sun, every kilogram of seed uses 5 Gram microbial inoculum, makes bacterium solution and is sprinkled upon on seed, be sufficiently stirred for；

4), the alfalfa seed finishing inoculation is sown in soil, and depth of planting is 1cm；

5), grow after seedling after alfalfa, throw in 2 kilograms of Lumbricuss toward field, and apply to alfalfa after each rain Farm manure.

Complete above step and can get the garden mould being modified to by yellow soil.

The above is only the preferred embodiment of the present invention, is not the restriction to the scope of the claims of the present invention, all belongs to Technical scheme under thinking of the present invention belongs to protection scope of the present invention.It should be pointed out that the ordinary skill people for this area For member, some improvements and modifications without departing from the inventive concept of the premise, these improvements and modifications also should be regarded as this Bright protection domain.

Claims

1. a kind of modification method of yellow soil is it is characterised in that comprise the following steps:

1), yellow soil by volume: sawdust: coal slag: plant ash=1: 0.2-0.5: 0.5: 0.2-0.5 composite soil, sawdust, coal Breeze and plant ash, obtain composite soil；

3), by alfalfa seed dry in the sun 2-3 days, the good seed inoculation rhizobium melioti of dry in the sun, every kilogram of seed is with 5 grams of bacterium Agent, makes bacterium solution and is sprinkled upon on seed, be sufficiently stirred for；

4), the alfalfa seed that sowing inoculation finishes on composite soil, depth of planting is 1-2cm, and application rate is 7-8.5 thousand Gram/ha；

5), grow after seedling after alfalfa, throw in Lumbricuss toward field；

2. a kind of yellow soil according to claim 1 modification method it is characterised in that: during the sowing of described alfalfa Between be early spring.

3. a kind of yellow soil according to claim 1 modification method it is characterised in that: the sowing side of described alfalfa Method is to broadcast sowing.

4. a kind of yellow soil according to claim 1 modification method it is characterised in that: will before the sowing of described alfalfa Soil is ploughed deeply.

5. a kind of yellow soil according to claim 1 modification method it is characterised in that: the injected volume of described Lumbricuss be 1- 3 kg/ha.

6. a kind of yellow soil according to claim 1 modification method it is characterised in that: the described Growth of Alfalfa phase Between, irregularly fertilizer is added to it.