CN101781566B - Formula of sodic solonetzic soil modifier and preparation method thereof - Google Patents

Abstract

The invention provides a formula of solidc solonetzic soil modifier and a preparation method thereof, which relate to the field of the agricultural soil modifier. The marginal scorch of the leaves of the apple tree caused by the sodic basification of the soil in the present plantation of the apple tree is an emergent problem to be solved in the production, but the chemicals, special fertilizer and modifier sold in the market have no good effect. Phosphogypsum, ammonium hydrogen carbonate, potassium sulphate, vermiculite and humic acid are adopted as the raw materials, the phosphogypsum and vermiculite are smashed to be mixed with ammonium hydrogen carbonate, potassium sulphate and humic acid and to be ground and sieved to obtain the finished product. The sodic solonetzic soil modifier has the advantages that the pH value of the soil can be adjusted, the salt content can be inhibited, and the nutrition can be balanced, can effectively prevent the marginal scorch of the apple leaves, and has fast effect, duration efficiency and low processing cost of the raw materials.

Description

Prescription of a kind of sodic solonetzic soil modifier and preparation method thereof

Technical field

The present invention relates to agricultural soil ameliorant, relate in particular to prescription of a kind of sodium soil soil improver and preparation method thereof.

Background technology

At present, growth along with China's population, demand to farm crop is increasing, and agricultural is ploughed in continuous reduction, how to increase arable area and yield per unit, effect in China's agriculture production is increasingly important, wherein the improvement of salting of soil is paid attention to by increasing agriculturist because having very large potentiality.Salting of soil refers to soil salt content too high (surpassing 0.3%), and the farm crop low yield maybe can not be grown, its harm to agriculture production is very large, causes on the one hand soil compaction and fertility to descend, be unfavorable for the farm crop Absorbing Nutrients, affect the unit surface crop yield; On the other hand, serious salting of soil causes the no longer cultivated of arable land, directly affects arable area.At present, following methods is mainly taked in the improvement of salting of soil: the water conservancy ameliorative measure, such as irrigation, draining, warp, plant rice, antiseepage etc.; The agricultural improvement measure, as level land, improve farming, execute soil moved in to improve the original, fertilising, sowing, crop rotation, a kind interplanting etc.; The biological modification measure is as planting salt-tolerant plant and herbage, green manure, afforestation etc.; The chemical modifying measure, as use upgrade materials, such as gypsum, phosphogypsum, calcium sulfite etc.

But aforesaid method all has limitation, solution to particular problem remains in larger blank, as the shrivelled disease of apple leaf margin of in apple cultivation, causing because of the alkalization of soil sodium matter at present be produce in urgent problem, and the medicament of selling on the market, special fertilizer and modifying agent there is no good result for this disease.

The creativity and innovation content

One of purpose of the present invention provides a kind of prescription of sodic solonetzic soil modifier, and salinized soil is improved.

Two of purpose of the present invention provides a kind of preparation method of above-mentioned sodic solonetzic soil modifier.

The technical scheme that realizes above-mentioned purpose is as follows:

The prescription of this sodic solonetzic soil modifier is as follows:

Phosphogypsum 50-90 part, bicarbonate of ammonia 5-30 part, vitriolate of tartar 3-28 part, vermiculite 2-30 part, humic acid 5-35 part.

Each component effect is as follows in the above-mentioned prescription:

Phosphogypsum: have the P in soil of adjusting H value, utilize the adsorption of Ca, the effect of the Na in the displacement soil colloid.

Bicarbonate of ammonia: the effect with additional crop rhizosphere soils nitrogen.

Vitriolate of tartar: having provides potassium element and the effect of regulating potassium-sodium balance in the soil.

Vermiculite: have the sodium of improvement matter alkaline earth air permeability, water-retentivity, increase the effect to the adsorptive capacity of NH4+ and K+.

Humic acid: can change in the soil that saliferous is too high, alkalescence strong with excessivelying, grogs high dispersing, the poor physicochemical character of Soil structure, the formation of promotion soil agreegate, thereby the effect that creates good conditions for the plant root growth growth etc.

The preparation method of sodic solonetzic soil modifier of the present invention in turn includes the following steps:

(1) phosphogypsum, vermiculite are ground into powder with pulverizer, for subsequent use;

(2) phosphogypsum, the vermiculite powder with step (1) gained mixes with bicarbonate of ammonia, vitriolate of tartar, humic acid;

(3) cross the 40-300 mesh sieve after the mixture grinding with step (2) gained and fully mix, a minute packing gets product.

The sodium soil soil improver that the present invention makes is used for the farmland that improvement is subjected to saline and alkaline infringement, has the adjusting soil pH value, improve the performance of infiltrating of soil moisture, activate the effect of the characteristics such as soil nutrient elements, and have the advantages that to suppress soil salt, balance soil nutrient.

The present invention also has raw material and conveniently is easy to get, and preparation technology is simple, the beneficial effect that preparation cost is low.

Embodiment

The below is further explained the present invention with embodiment, but the present invention is not restricted to following embodiment.

Embodiment 1:

Prescription is: 85 parts of phosphogypsums, 5 parts in bicarbonate of ammonia, 3 parts of vitriolate of tartar, 2 parts of vermiculites, 5 parts of humic acid.

The preparation method is:

(1) phosphogypsum, vermiculite are ground into powder with pulverizer, for subsequent use;

(2) phosphogypsum, the vermiculite powder with step (1) gained mixes with bicarbonate of ammonia, vitriolate of tartar, humic acid;

(3) cross 40 mesh sieves after the mixture grinding with step (2) gained and fully mix, a minute packing gets product.

Embodiment 2:

Prescription is: 90 parts of phosphogypsums, 25 parts in bicarbonate of ammonia, 16 parts of vitriolate of tartar, 16 parts of vermiculites, 20 parts of humic acid.

The preparation method is:

(1) phosphogypsum, vermiculite are ground into powder with pulverizer, for subsequent use;

(2) phosphogypsum, the vermiculite powder with step (1) gained mixes with bicarbonate of ammonia, vitriolate of tartar, humic acid;

(3) cross 250 mesh sieves after the mixture grinding with step (2) gained and fully mix, a minute packing gets product.

Embodiment 3

Prescription is: 50 parts of phosphogypsums, 30 parts in bicarbonate of ammonia, 28 parts of vitriolate of tartar, 30 parts of vermiculites, 35 parts of humic acid.

The preparation method is:

(1) phosphogypsum, vermiculite are ground into powder with pulverizer, for subsequent use;

(2) phosphogypsum, the vermiculite powder with step (1) gained mixes with bicarbonate of ammonia, vitriolate of tartar, humic acid;

(3) cross 300 mesh sieves after the mixture grinding with step (2) gained and fully mix, a minute packing gets product.

Claims (2)

1. sodic solonetzic soil modifier, it is as follows to it is characterized by prescription: phosphogypsum 50-90 part, bicarbonate of ammonia 5-30 part, vitriolate of tartar 3-28 part, vermiculite 2-30 part, humic acid 5-35 part.

2. a kind of sodic solonetzic soil modifier according to claim 1 is characterized by the preparation method and is comprised of following steps:

(1) phosphogypsum, vermiculite are ground into powder with pulverizer, for subsequent use;

(2) phosphogypsum, the vermiculite powder with step (1) gained mixes with bicarbonate of ammonia, vitriolate of tartar, humic acid;

(3) cross the 40-300 mesh sieve after the mixture grinding with step (2) gained and fully mix, a minute packing gets product.