CN103420740A - Drip irrigation alkalinity reducing agent for alkali soil - Google Patents
Drip irrigation alkalinity reducing agent for alkali soil Download PDFInfo
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- CN103420740A CN103420740A CN2013101790578A CN201310179057A CN103420740A CN 103420740 A CN103420740 A CN 103420740A CN 2013101790578 A CN2013101790578 A CN 2013101790578A CN 201310179057 A CN201310179057 A CN 201310179057A CN 103420740 A CN103420740 A CN 103420740A
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Abstract
The invention discloses a drip irrigation alkalinity reducing agent for alkali soil. The drip irrigation alkalinity reducing agent comprises the following components in percentage by weight: more than 95 percent of urea phosphate, 1-2 percent of EDTA chelated iron, 1-2 percent of EDTA chelated zinc and less than 1 percent of EDTA chelated manganese and EDTA chelated copper totally. Through the adoption of the drip irrigation alkalinity reducing agent, the cost required by the alkali soil can be reduced, and the efficiency of the alkali soil can be improved.
Description
Technical field
The present invention relates to the soil improvement technology, particularly the drip irrigation alkaline agent that disappears for a kind of alkaline soil.
Background technology
Saline-alkali soil or alkaline soil (alkaline earth) are, after in soil, solubility salt or Sodium by substitution ionic concn acquire a certain degree, to make the pH value of soil higher, and crop is difficult to a class soil of growth.The salting of soil problem worldwide extensively exists, and the alkaline earth of China distributes also very extensive, and for example, all there is distribution northeast, North China and the Northwest.In addition, at arid and semi-arid area, owing to being mostly continental climate, the precipitation rareness, evaporation is strong, if irrigation practice is improper, the Soil Secondary salinization also very easily occurs.
Research shows, the P in soil H value of suitable plant growth is between 6.5～7.5.The soil that pH value is higher, to the conversion of nutritive element be supplied with detrimentally affect, because alkalescence is large, make the soil organism be destroyed and leaching loss, trace element is in great shortage, hard when glutinous when soil is wet, dry, cause soil aeration, water-permeable bad, after making crop root be subject to saline and alkaline murder by poisoning, cause the bad and early ageing of root system development, and, with poisoning, rotten, the phenomena of mortality, make the fertilizer of input effectively not absorbed by crop root, not only reduce the utilization ratio of fertilizer, also affected growing of crop.Simultaneously, also can cause various disease and pests, cause that crop yield is low, poor quality.Thereby, how effectively to reduce the pH value of alkaline earth, be to improve crop adaptability, promote the important subject of RS in Alkali Region agricultural sustainable development.
For arid or semiarid zone, reduce alkaline earth pH value, carry out alkali soil improvement comparatively effective means be to apply acidic substance in alkaline earth, perhaps, as base fertilizer or topdress and use soil redeposition, with sweetening of the soil basicity, thereby the calcium in activating soil, reduce carbon in soil acid sodium-salt class concentration, reaches and improve the effect of mineral nutrient element to the validity of plant.But, because soil is a huge buffer system, need to turn over for many years the organic materialss such as muck, stalk, green manure, or bottom application, impose the technology such as soil redeposition, and just can make P in soil H value decrease, make the method drop into larger, the efficiency of improving alkaline soil is low, take effect slowly, improve the required cost of alkaline soil high, time-consuming.
Summary of the invention
In view of this, main purpose of the present invention is to propose the drip irrigation alkaline agent that disappears for a kind of alkaline soil, reduces and improves the required cost of alkaline soil, improves the efficiency of improving alkaline soil.
For achieving the above object, the invention provides the drip irrigation alkaline agent that disappears for a kind of alkaline soil, this alkaline soil is comprised of Ureaphil, EDTA chelated iron, EDTA chelated zinc, EDTA Chelated Manganese and EDTA chelated copper with the drip irrigation alkaline agent that disappears, wherein,
Alkaline soil by the drip irrigation mass percent of each component in alkaline agent that disappears is: Ureaphil is more than 95%, EDTA chelated iron 1～2%, and EDTA chelated zinc 1～2%, EDTA Chelated Manganese and EDTA chelated copper add up to below 1%.
Preferably, described alkaline soil by the drip irrigation alkaline agent preparation method that disappears is: by the Ureaphil more than 95%, and 1～2% EDTA chelated iron, 1～2% EDTA chelated zinc, add up to EDTA Chelated Manganese and EDTA chelated copper crystal powder below 1% to be mixed, grind and sieve, fully mix.
Preferably, each component raw material that described alkaline soil disappears in alkaline agent by drip irrigation is all selected agricultural level or the technical grade straight fertilizer of foreign matter content below 1%.
Preferably, according to pH value, crop species and the crop growth period demand of the alkaline soil of measuring, regulate drip irrigation disappear ratio and the amount of application of each component in alkaline agent for described alkaline soil, with the drip irrigation fertilizer compounding application.
Preferably, described alkaline soil is for the raise crop cotton, P in soil H value is 8.0, the described alkaline soil applied disappears by drip irrigation in alkaline agent, and the mass percent of each component is respectively: Ureaphil 95%, EDTA chelated iron 2%, EDTA chelated zinc 2%, EDTA Chelated Manganese and EDTA chelated copper add up to 1%.
Preferably, described alkaline soil is configured to the solution of 1% concentration with the drip irrigation alkaline agent that disappears, cotton in seedling stage, flower bud phase respectively the equivalent drip irrigation apply, every mu of cotton field splashes into the drip irrigation alkaline agent 1.8kg that disappears for alkaline soil altogether.
Preferably, described alkaline soil is for the raise crop cotton, P in soil H value is 8.6, the described alkaline soil applied disappears by drip irrigation in alkaline agent, and the mass percent of each component is respectively: Ureaphil 96%, EDTA chelated iron 1.5%, EDTA chelated zinc 1.5%, EDTA Chelated Manganese and EDTA chelated copper add up to 1%.
Preferably, described alkaline soil is configured to the solution of 1% concentration with the drip irrigation alkaline agent that disappears, and at cotton in seedling stage, flower bud phase, flowering and boll-setting period, the equivalent drip irrigation applies the drip irrigation alkaline agent that disappears for alkaline soil respectively, and every mu of cotton field splashes into the drip irrigation alkaline agent 3kg that disappears for alkaline soil altogether.
Preferably, described alkaline soil is for raise crop food certain herbaceous plants with big flowers, P in soil H value is 9.2, the described alkaline soil applied disappears by drip irrigation in alkaline agent, and the mass percent of each component is respectively: Ureaphil 97%, EDTA chelated iron 1.2%, EDTA chelated zinc 1.1%, EDTA Chelated Manganese and EDTA chelated copper add up to 0.7%.
Preferably, described alkaline soil is configured to the solution of 1% concentration with the drip irrigation alkaline agent that disappears, at food certain herbaceous plants with big flowers seedling stage, squaring period, full-bloom stage, the equivalent drip irrigation applies the drip irrigation alkaline agent that disappears for alkaline soil respectively, and every mu of food certain herbaceous plants with big flowers field splashes into the drip irrigation alkaline agent 4.2kg that disappears for alkaline soil altogether.
As seen from the above technical solutions, the drip irrigation alkaline agent that disappears for a kind of alkaline soil that the embodiment of the present invention provides, by Ureaphil, EDTA chelated iron, EDTA chelated zinc, EDTA Chelated Manganese and EDTA chelated copper, formed, wherein, alkaline soil by the drip irrigation mass percent of each component in alkaline agent that disappears is: Ureaphil is more than 95%, EDTA chelated iron 1～2%, EDTA chelated zinc 1～2%, EDTA Chelated Manganese and EDTA chelated copper add up to below 1%.Like this, the Ureaphil acidity that alkaline soil disappears in alkaline agent by drip irrigation is stronger, solubility is good, can effectively reduce crop root and the pH value of alkaline soil on every side thereof by drip irrigation, without alkaline purification that the full wafer alkaline soil is disappeared, improve the required cost of alkaline soil lower, the efficiency of improving alkaline soil is high.
The accompanying drawing explanation
Fig. 1 is after embodiment of the present invention alkaline soil drip irrigation adds the various dose Ureaphil, and P in soil H value reduces the curve synoptic diagram of units.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
Existing by all in alkaline earth, applying organic materials, acidic substance, perhaps, as base fertilizer or topdress and use the method for improving alkaline soil of soil redeposition, need to implement for many years that muck, stalk, green manure turn over, base fertilizer or the application technique etc. that topdresses, drop into larger, improve the required cost of alkaline soil high, efficiency is lower.
Crop, in growth and development process, draws nutritive substance from soil by root system, and because the root growth zone of crop can't cover whole soil.Thereby, in the embodiment of the present invention, consideration is improved the alkaline soil of crop root growth district, like this, by the local alkaline soil to the crop root growth district, is improved, thereby reduce the soil alkalinity of crop root growth district, not only can guarantee crop absorption to mineral nutrient element in vegetative period, improve the efficiency of improving alkaline soil, also can avoid the full wafer alkaline soil is improved, thereby effectively reduce costs, reduce and drop into.
Drip irrigation technique is to have the water of certain pressure, filters by pipe network and outlet conduit (drip irrigation zone) or water dropper, under certain operating pressure, slowly and equably splashes near a kind of irrigation method of soil crop root with the form of water droplet.Water is by water dropper, after oozing or ooze out with constant low flow, in crop root soil, with the form of unsaturated flow, under water dropper, to surrounding, spreads.Due to irrigation water moistening part soil surface only, can effectively reduce the invalid evaporation of soil moisture; Simultaneously, due near drip irrigation soil moistening crop root only, other regional soil moisture contents are lower, therefore, can effectively prevent the growth of weeds.Thereby drip irrigation technique has become effective irrigation technique of arid and semi-arid area agricultural sustainable development, by nutritive substance directly is delivered to crop root, can realize controlling and execute, precisely apply, improve specific aim and validity, significantly promote water, fertile utilising efficiency, time and labour saving; In addition, also can effectively reduce the soil salt submeter poly-, reduce the saline and alkaline hazard rating of crop and disease index.
In the embodiment of the present invention, on the basis of being improved at the alkaline soil to the crop root growth district, the drip irrigation alkaline agent that disappears for the alkaline soil of using the present invention configuration in conjunction with drip irrigation technique, can make slow, the even and quantitative infiltration crop root zone of dripping irrigation water of containing the alkaline agent that disappears, reduce crop root alkaline soil pH value, and provide the alkaline soil plant growth required trace element.Thereby the growing environment for a relative ideal of crop root creation.Not only can significantly improve P in soil H regulating effect, the saving of labor is efficient, but saving water resource consumption also improve utilization rate of fertilizer, and can alleviate environmental pollution, thereby realize purpose local and the fixed point improvement.
Ureaphil (CO (NH
2)
2H
3PO
4) be a kind of compound nitrogen phosphate fertilizer of high density, can be used for plant early, the using of mid-term.In alkaline soils, easily lack the trace elements such as iron, zinc, copper, manganese, and ethylenediamine tetraacetic acid (EDTA) (EDTA, Ethylene Diamine Tetraacetic Acid) inner complexs such as chelated iron, zinc, manganese, copper are soluble in water, iron, zinc, manganese, copper exist with the chelating state, can be used as the trace element fertilizer on agricultural.For example, can be used as foliage fertilizer, rush fertilising, drip irrigation fertilizer and water soluble fertilizer, can be alkaline soil provides the trace elements such as the iron of shortage, zinc, copper, manganese.
Thereby the alkaline soil of the embodiment of the present invention is comprised of Ureaphil, EDTA chelated iron, EDTA chelated zinc, EDTA Chelated Manganese and EDTA chelated copper with the drip irrigation alkaline agent that disappears, wherein,
Alkaline soil by the drip irrigation mass percent of each component in alkaline agent that disappears is: Ureaphil is more than 95%, EDTA chelated iron 1～2%, and EDTA chelated zinc 1～2%, EDTA Chelated Manganese and EDTA chelated copper add up to below 1%.
In practical application, can be by the Ureaphil more than 95%, 1～2% EDTA chelated iron, 1～2% EDTA chelated zinc, add up to EDTA Chelated Manganese and EDTA chelated copper powder below 1% to be mixed, and fully mixes, and can be made into the drip irrigation alkaline agent that disappears for alkaline soil.The crystal powder that is about to each component mixes by mass percentage, fully mixes.
In alkaline soil disappears alkaline agent by drip irrigation, the Main Function material is Ureaphil, and wherein, the mass percent of nitrogen (N) is 17.72%, Vanadium Pentoxide in FLAKES (P
2O
5) mass percent be 44.94%, the drip irrigation alkaline agent aqueous solution that disappears for the alkaline soil that mass percent concentration is 1%, pH value is 2.
Preferably, in order to reduce impurity as far as possible, guarantee that alkaline soil is with drip irrigation the water-soluble of alkaline agent that disappear, each component raw material that alkaline soil disappears in alkaline agent by drip irrigation is all selected the agricultural of foreign matter content 1% below grade or technical grade straight fertilizer.
In practical application, can be according to pH value, crop species and the crop growth period demand of the alkaline soil of measuring, for example, at the optimum pH value of different growing stages, regulate drip irrigation disappear ratio and the amount of application of each component in alkaline agent for alkaline soil according to the P in soil H value of kind of plant, Different Crop.When using alkaline soil and disappear alkaline agent by drip irrigation, because alkaline soil is acid with the drip irrigation alkaline agent that disappears, preferably, can mix and use with other drip irrigation fertilizer, for example, with water miscible other neutrality, acid drip irrigation fertilizer compounding application, do not affect normally using of drip irrigation fertilizer.Further, with water miscible other neutrality, acid drip irrigation fertilizer compounding application the time, first other drip irrigation fertilizer is fully dissolved in water, then alkaline soil is directly added to drip irrigation emitter with the drip irrigation alkaline agent that disappears.
In the embodiment of the present invention, can also, in alkaline soil disappears alkaline agent by drip irrigation, in the mode of chelating state crystal powder, add other trace element that crop lacks in alkaline soils.
Below embodiment of the present invention alkaline soil is carried out to simulation test by the disappear alkali effect that disappears of alkaline agent of drip irrigation, with thinking that concrete enforcement provides reference frame.Simulation test is specific as follows:
Get the alkaloid substance Ureaphil list product that mainly disappear that embodiment of the present invention alkaline soil disappears in alkaline agent by drip irrigation, the Ureaphil list product solution pH value of measuring 1% concentration is 2.
Inner Mongolia Wuyuan County sunflower field alkaline soil is sampled, air-dry, grind, and crosses the 2mm sieve, mixes, and by the multidraw method, measuring its average salt content is 5.7g/kg, and mean P H value is 9.36.
In sampling, get the 30g soil 25ml beaker of packing into, carry out the Dripping simulation processing with dropper, after the various dose Ureaphil is dissolved, drip irrigation applies, and every kind of dosage repeats for 3 times.
After drip irrigation applies, put into 25 ℃ of incubators, after 48 hours, take out, soil is dried, ground, and by native: the ratio of water=1: 5 adds deionized water, fully stir with glass stick, after standing 2 hours, with FE20K type PH meter (METTLER TOLEDO), measure pH value.
The affect result of the Ureaphil that table 1 is the different amounts of splashing on P in soil H value.
Table 1
From table 1, along with drip irrigation adds the increase of Ureaphil amount, after splashing into Ureaphil, the soil sample pH value presents downtrending, from initial soil sample pH value, is 9.36 to drop to 6.48.
Fig. 1 is after embodiment of the present invention alkaline soil drip irrigation adds the various dose Ureaphil, and P in soil H value reduces the curve synoptic diagram of units.Referring to Fig. 1, be the affect result of the various dose Ureaphil based on table 1 on P in soil H value, in figure, X-coordinate is that in the 30g soil sample, drip irrigation adds Ureaphil amount (g), ordinate zou is that pH value reduces units.
Through over-fitting, can obtain the fitting formula that the various dose Ureaphil reduces units to P in soil H value and be:
y＝0.3583x
2-1.9249x-0.1319
R
2＝0.9917
In formula,
X is the Ureaphil amount that in the 30g soil sample, drip irrigation adds, and unit is g;
Y is that pH value reduces units, relatively pH value 9.36;
R
2For variance.
Below for several embodiment, alkaline soil of the present invention is described specifically with the disappear application of alkaline agent of drip irrigation.
Embodiment mono-
The alkaline soil of take is example for the raise crop cotton, and at cotton growth, in the cycle, deep ploughing deep placement base manure is conducive to the growth of cotton root system, cotton growth is interim to be topdressed, need to apply the position of cotton root system dense layer, in order to the Root Absorption nutrient, improve utilization rate of fertilizer.
The growth cycle of cotton root system can be divided into 4 stages.First stage is the root growth animated period, i.e. the stage in seedling stage of cotton; Subordinate phase is that root system basically forms the phase, and the cotton plant root system enters stage flower bud phase; Phase III is the Root Absorption peak period, and cotton enters flowering and boll-setting period; Fourth stage is Root function paracme, the i.e. term of opening bolls.
Measuring P in soil H value is 8.0, and the alkaline soil applied disappears by drip irrigation in alkaline agent, and the mass percent of each component is respectively: Ureaphil 95%, EDTA chelated iron 2%, EDTA chelated zinc 2%, EDTA Chelated Manganese and EDTA chelated copper total 1%.
In practical application, can be watered 100kg with the drip irrigation alkaline agent that disappears according to the 1kg alkaline soil, stirring and dissolving, be configured to the solution of 1% concentration, join in drip irrigation emitter, cotton in seedling stage, flower bud phase respectively the equivalent drip irrigation apply the cotton root, every mu of cotton field splashes into the drip irrigation alkaline agent 1.8kg that disappears for alkaline soil altogether, seedling stage, flower bud phase splash into respectively 0.9kg.
In the embodiment of the present invention, by the Ureaphil by each mass percent, EDTA chelated iron, EDTA chelated zinc, EDTA Chelated Manganese and EDTA chelated copper, grind and sieve, exist to prevent caking, then, the crystal powder of each component is fully mixed and gets final product.
Show through actual tests, at other under identical condition, use according to the method described above alkaline soil and disappear after alkaline agent by drip irrigation, the minimizing that comes off of cotton bell, single bell heavily increases 0.35g, and output increases.
Embodiment bis-
Raise crop is cotton, measuring P in soil H value is 8.6, the alkaline soil applied disappears by drip irrigation in alkaline agent, and the mass percent of each component is respectively: Ureaphil 96%, EDTA chelated iron 1.5%, EDTA chelated zinc 1.5%, EDTA Chelated Manganese and EDTA chelated copper add up to 1%.Along with the rising of alkaline soil pH value, alkaline soil rises with the drip irrigation alkaline agent amount of application that disappears, and the mass percent of Ureaphil improves, the mass percent of corresponding minimizing EDTA chelated iron and EDTA chelated zinc.Certainly, in practical application, also can be corresponding the mass percent of arbitrary component or its combination in minimizing EDTA chelated iron, EDTA chelated zinc, EDTA Chelated Manganese and EDTA chelated copper.
Be configured to the solution of 1% concentration, at cotton in seedling stage, flower bud phase, flowering and boll-setting period, the equivalent drip irrigation applies the drip irrigation alkaline agent that disappears for alkaline soil respectively, and every mu of cotton field splashes into the drip irrigation alkaline agent 3kg that disappears for alkaline soil altogether, and seedling stage, flower bud phase, flowering and boll-setting period splash into respectively 1kg.
Show through actual tests, at other under identical condition, use according to the method described above alkaline soil and disappear after alkaline agent by drip irrigation, the minimizing that comes off of cotton bell, single bell heavily increases 0.59g, and the velveteen appearance is to improving 0.49mm, and output increases.
Embodiment tri-
The alkaline soil of take is example for raise crop food certain herbaceous plants with big flowers, measuring P in soil H value is 9.2, the alkaline soil applied disappears by drip irrigation in alkaline agent, and the mass percent of each component is respectively: Ureaphil 97%, EDTA chelated iron 1.2%, EDTA chelated zinc 1.1%, EDTA Chelated Manganese and EDTA chelated copper add up to 0.7%.
Be configured to the solution of 1% concentration, at food certain herbaceous plants with big flowers seedling stage, squaring period, full-bloom stage, the equivalent drip irrigation applies the drip irrigation alkaline agent that disappears for alkaline soil respectively, and every mu of food certain herbaceous plants with big flowers field splashes into the drip irrigation alkaline agent 4.2kg that disappears for alkaline soil altogether, and seedling stage, squaring period, full-bloom stage splash into respectively 1.4kg.
Through actual tests, show, at other under identical condition, use according to the method described above alkaline soil and disappear after alkaline agent by drip irrigation, food certain herbaceous plants with big flowers survival rate of seedlings improves 12%, and faceplate diameter increases 3.4cm, and output increases.
It should be noted that the drip irrigation alkaline agent amount that disappears for alkaline soil that the above-mentioned solution that is configured to 1% concentration and every mu of saltings apply, can fluctuate within the specific limits, for example, can in 5% scope, fluctuate.And about variant period equivalent splash into the disappear situation of alkaline agent of drip irrigation for alkaline soil, in actually operating, also can take the circumstances into consideration increase and decrease according to soil regime and crop growing state.
From above-mentioned, the drip irrigation alkaline agent that disappears for the alkaline soil of the embodiment of the present invention, coordinate drip irrigation system, with other drip irrigation fertilizer, together quantizes to use, the Ureaphil acidity that alkaline soil disappears in alkaline agent by drip irrigation is stronger, solubility is good, can effectively reduce crop root and the pH value of alkaline soil on every side thereof by drip irrigation, without alkaline purification that the full wafer alkaline soil is disappeared, instant effect, feasibility is strong, improves the required cost of alkaline soil lower, and the efficiency of improving alkaline soil is high; Further, the alkaline soil trace element that the compositions such as EDTA chelated iron in alkaline agent, EDTA chelated zinc, EDTA Chelated Manganese, EDTA chelated copper can provide alkaline soil to lack that disappears by drip irrigation, improve the alkaline earth nutrient situation, improves the quality of balance of nutrient supply; And, due to can fast reducing alkaline soil pH value, can effectively reduce the volatilization loss of drip irrigation nitrogenous fertilizer, work the effect of protecting nitrogen; Simultaneously, by improving the crop root soil quality, can set up preferably edatope, can effectively improve the alkaline earth crop growing state, strengthen crop resistance, improve quality; In addition, alkaline soil adopts high-content chemical fertilizer of simple substance that foreign matter content is low and EDTA inner complex etc. to make for raw material with the drip irrigation alkaline agent that disappears fully, solvability is good, without precipitation, inclusion-free, can effectively avoid water dropper fouling, latch up phenomenon, extend the work-ing life of drip irrigation system, further reduce the unit use cost.
The foregoing is only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. the drip irrigation alkaline agent that disappears for an alkaline soil, is characterized in that, this alkaline soil is comprised of Ureaphil, EDTA chelated iron, EDTA chelated zinc, EDTA Chelated Manganese and EDTA chelated copper with the drip irrigation alkaline agent that disappears, wherein,
Alkaline soil by the drip irrigation mass percent of each component in alkaline agent that disappears is: Ureaphil is more than 95%, EDTA chelated iron 1～2%, and EDTA chelated zinc 1～2%, EDTA Chelated Manganese and EDTA chelated copper add up to below 1%.
2. the drip irrigation alkaline agent that disappears for alkaline soil as claimed in claim 1, it is characterized in that, described alkaline soil by the drip irrigation alkaline agent preparation method that disappears is: by the Ureaphil more than 95%, 1～2% EDTA chelated iron, 1～2% EDTA chelated zinc, add up to EDTA Chelated Manganese and EDTA chelated copper crystal powder below 1% to be mixed, grind and sieve, fully mix.
3. the drip irrigation alkaline agent that disappears for alkaline soil as claimed in claim 2, is characterized in that, each component raw material that described alkaline soil disappears in alkaline agent by drip irrigation is all selected agricultural level or the technical grade straight fertilizer of foreign matter content below 1%.
4. the drip irrigation alkaline agent that disappears for alkaline soil as described as the claims 1 to 3 any one, it is characterized in that, pH value, crop species and crop growth period demand according to the alkaline soil of measuring, regulate drip irrigation disappear ratio and the amount of application of each component in alkaline agent for described alkaline soil, with the drip irrigation fertilizer compounding application.
5. the drip irrigation alkaline agent that disappears for alkaline soil as claimed in claim 4, it is characterized in that, described alkaline soil is for the raise crop cotton, P in soil H value is 8.0, the described alkaline soil applied disappears by drip irrigation in alkaline agent, and the mass percent of each component is respectively: Ureaphil 95%, EDTA chelated iron 2%, EDTA chelated zinc 2%, EDTA Chelated Manganese and EDTA chelated copper add up to 1%.
6. the drip irrigation alkaline agent that disappears for alkaline soil as claimed in claim 5, it is characterized in that, described alkaline soil is configured to the solution of 1% concentration with the drip irrigation alkaline agent that disappears, cotton in seedling stage, flower bud phase respectively the equivalent drip irrigation apply, every mu of cotton field splashes into the drip irrigation alkaline agent 1.8kg that disappears for alkaline soil altogether.
7. the drip irrigation alkaline agent that disappears for alkaline soil as claimed in claim 4, it is characterized in that, described alkaline soil is for the raise crop cotton, P in soil H value is 8.6, the described alkaline soil applied disappears by drip irrigation in alkaline agent, and the mass percent of each component is respectively: Ureaphil 96%, EDTA chelated iron 1.5%, EDTA chelated zinc 1.5%, EDTA Chelated Manganese and EDTA chelated copper add up to 1%.
8. the drip irrigation alkaline agent that disappears for alkaline soil as claimed in claim 7, it is characterized in that, described alkaline soil is configured to the solution of 1% concentration with the drip irrigation alkaline agent that disappears, at cotton in seedling stage, flower bud phase, flowering and boll-setting period, the equivalent drip irrigation applies the drip irrigation alkaline agent that disappears for alkaline soil respectively, and every mu of cotton field splashes into the drip irrigation alkaline agent 3kg that disappears for alkaline soil altogether.
9. the drip irrigation alkaline agent that disappears for alkaline soil as claimed in claim 4, it is characterized in that, described alkaline soil is for raise crop food certain herbaceous plants with big flowers, P in soil H value is 9.2, the described alkaline soil applied disappears by drip irrigation in alkaline agent, and the mass percent of each component is respectively: Ureaphil 97%, EDTA chelated iron 1.2%, EDTA chelated zinc 1.1%, EDTA Chelated Manganese and EDTA chelated copper add up to 0.7%.
10. the drip irrigation alkaline agent that disappears for alkaline soil as claimed in claim 9, it is characterized in that, described alkaline soil is configured to the solution of 1% concentration with the drip irrigation alkaline agent that disappears, at food certain herbaceous plants with big flowers seedling stage, squaring period, full-bloom stage, the equivalent drip irrigation applies the drip irrigation alkaline agent that disappears for alkaline soil respectively, and every mu of food certain herbaceous plants with big flowers field splashes into the drip irrigation alkaline agent 4.2kg that disappears for alkaline soil altogether.
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| CN106489345A (en) * | 2016-10-24 | 2017-03-15 | 中国农业科学院农业资源与农业区划研究所 | A kind of alkaline earth disappear alkali improvement growth-promoting method |
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