CN105062497A - Ameliorant special for pepper planting in saline alkali soil and preparation method and application thereof - Google Patents
Ameliorant special for pepper planting in saline alkali soil and preparation method and application thereof Download PDFInfo
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Abstract
The invention relates to ameliorant special for pepper planting in saline alkali soil and preparation method and application thereof. The ameliorant special for pepper planting in the saline alkali soil is composed of, by weight, ardealite, chicken manure, dried cow dung, soya-bean cakes, food residues and a starch-polyacrylamide compound. The preparation method includes the steps that part of ardealite, chicken manure and the like are fermented together to be mixed with the residual ardealite and water-retaining agents. The ameliorant is applied to the moderate saline alkali soil in the Gansu region and has the effects of retaining water, retaining fertilizer, reducing salt, pressing alkali, loosening soil and the like and especially suitable for pepper planting in the saline alkali soil. Compared with the prior art, the ameliorant has the advantages of being simple in preparation method, capable of being applied in the soil easily and conveniently, feasible, appropriate in pH value of the soil, rich in organic matter ingredients and the like, can fully promote the growth and production increase of the pepper in the saline alkali soil in the Gansu region, promotes increase of the active ingredients in pepper and is the ideal ameliorant special for pepper.
Description
Technical field
The present invention relates to a kind of salt affected soil pepper planting improver special and its preparation method and application, belong to technical field of land improvement.
Technical background
Salt affected soil is a kind of soil type widely distributed on the earth, and the area of the current salt affected soil in the whole world is about 9.54 hundred million hm
2, be distributed in the arid area of different continents, the salt affected soil total resources of China are about 9,913 ten thousand hm
2, be mainly distributed in northeast, North China, Northwest inland area and North of Yangtze River coastal area.Different by Area distribution, salt affected soil is divided into salt marsh district, strand, Huang-Huai-Hai plain salt marsh district, desert and salt marsh district, desert Plain, the large type in four, salt marsh district, grassland; Utilizing in process, light saltings (saltiness less than 3 ‰, pH value 7.1-8.5 can be divided into, seedling rate 70-80%), moderate saline-alkali soil (saltiness 3-6 ‰, pH value 8.5-9.5, seedling rate 50-70%) and heavy saline (saltiness more than 6 ‰, pH value more than 9.5, seedling rate is lower than 50%).Salting of soil is restriction China even the significant obstacle factor of world agriculture development and integration capability raising always.And the deterioration of the ecological environment that salinization brings, more can affect the space that the irrigated area people masses depend on for existence and development.So the control in saltings and exploitation become the problem that agricultural development can not be ignored.
A kind of industry by-product gypsum that phosphogypsum produces when being phosphorizing treatment sulfuric acid process extraction production high-concentration phosphate compound fertilizers, main component is terra alba (CaSO
42H
2o), also containing a small amount of undecomposed ground phosphate rock, composition and other organism such as the phosphoric acid of non-washes clean, tertiary iron phosphate, fluorochemical, potassium, sodium, magnesium phosphoric acid salt and vitriol, pH=1.9-5.3.General sulfuric acid process produces 1 ton of phosphoric acid will produce 4.8-5.0 ton phosphogypsum, and along with the development of phosphate fertilizer industry, the quantity discharged of phosphogypsum is in significantly increasing trend year by year, by 2011, China's phosphogypsum accumulating amount is more than 250Mt, expect " 12 " end, phosphogypsum annual production is about 70Mt, not only contaminate environment, also occupy a large amount of soil, but the at present comprehensive utilization ratio of phosphogypsum only about 10%, therefore, the comprehensive utilization of phosphogypsum and harmless treatment have been become to the vital task of phosphate fertilizer industry.
The modification method of current salt affected soil mainly contains Physical, as whole with water conservancy irrigation and drainage measure; Biological process, as prepared microbial inoculum, improvement of fostering and apply fertilizer; Chemical method, makes chemical improvement agent as utilized gypsum, sulfuric acid, weathered coal, furfural dregs, humic acid, animal excrement etc.Wherein to chemical improvement agent or more containing fertilizer application that is organic, chemical substance, especially phosphogypsum is for improving the research in saltings, not only make full use of the acid speciality of phosphogypsum, also utilize Na ion in Ca ion exchange salt affected soil and reduce salinity, both alkalescence and the salinification of salt affected soil had effectively been improved, phosphogypsum can also be reduced pile up, become one of main direction of studying of current phosphogypsum comprehensive utilization.
In prior art, CN201410711016.3 provides a kind of modifying agent for saltings and manufacture method and methods for using them thereof, be made up of phosphogypsum, attapulgite, weathered coal-sodium polyacrylate mixture and breeze, this modifying agent is applied to the plantation of north of Ningxia Shizuishan City corn, can increase by the output of nearly 27%; CN201310080579.2 discloses a kind of alkaline land modifying agent, comprise phosphogypsum, weathered coal, the sawdust that becomes thoroughly decomposed, xanthohumic acid, the vinasse that become thoroughly decomposed, phosphorus ore slag, root-growing agent, this modifying agent utilizes agriculture and industry waste, saltings field crop is made to increase production more than 20%, lawn surviving rate more than 90%, greening seedling surviving rate can reach more than 95%, be applied in the saltings of Dagang area, Tianjin saltiness 0.32%, soil pH value 8.45, improve corn number of productive ear 20.91%, increase spike length 16.91%, volume increase reaches 78.02%; CN201310471858.1 discloses a kind of special fertilizer-phosphogypsum for beach saline land Rice Cropping and joins applying method, effectively can improve level of agricultural production and the Rice Production benefit of beach saline land, makes rice yield improve 25%; CN201010136464.7 relates to a kind of pepper seedling raising medium and preparation method thereof, its feed composition is the volume ratio of vegetables stubble compost product, the peat composed of rotten mosses and vermiculite is 3 ~ 5: 2 ~ 3: 2, and described vegetables stubble refers to capsicum stubble, cucumber stubble and cabbage stubble; CN201310674804.5 relates to a kind of pepper seedling raising medium being applicable to winter-spring season; the volume ratio of raw material is: cow dung 2-5, waste material of edible mushroom 1-6, perlite 1-5; the capsicum being applied to Hexi prefecture (particularly Zhangye) is cultivated, and reaches the object of comprehensive utilization agricultural wastes, protection Ecological Environment, reduction seedling cost, raising seedling quality.
Technique scheme utilizes phosphogypsum and other raw materials, make the modifying agent that can be used for salt affected soil, farm crop are increased production, but because distributed areas, China saltings are different, use pattern also has difference, therefore to different zones, different saline and alkaline degree, the soil of different saline and alkaline type needs to be treated differently, and for certain concrete farm crop, vegetables and fruits plant or view and admire, green plants, the improvement object of its saltings plantation, nutritive ingredient absorbing state, the factors such as growing environment impact, and farm crop and effective components in plants content etc. also all need to consider.Above-mentioned modifying agent is mainly used in the crop such as wheat, corn, cotton in land for growing field crops, less to the research report in the plants such as vegetable melon and fruit, therefore, phosphogypsum improved to the effect in saltings, need further research.Not yet there is phosphogypsum to combine starch-polyacrylamide amine compound, Chicken dung and cow dung, bean dregs and dish slag at present and be applied to pepper planting in salt affected soil, the especially relevant report of saltings, Gansu province pepper planting.
Summary of the invention
The invention provides a kind of salt affected soil pepper planting improver special and its preparation method and application.Described modifying agent has composition and preparation method is simple, soil application process is simple and feasible, the features such as the potential of hydrogen of soil is suitable, organic composition is abundant, salt marsh district, Gansu soil alkaline situation can be substantially improved, promote the growth of capsicum and increase fruit-setting rate, and active component content in capsicum is increased.
Concrete technical scheme is as follows:
An improver special for salt affected soil pepper planting, is characterized in that, is made up of following raw material: phosphogypsum 45-65 part, chicken manure 3-15 part, dry cow dung 2-10 part, soya-bean cake 6-18 part, dish slag 4-12 part, starch-polyacrylamide amine compound 5-15 part.
Further, be made up of following raw material: phosphogypsum 50-60 part, chicken manure 6-12 part, dry cow dung 5-7 part, soya-bean cake 9-15 part, dish slag 6-10 part, starch-polyacrylamide amine compound 8-12 part.
Described salt affected soil is the moderate salt affected soil of saltiness 3-5 ‰, pH value 8.0-9.0; Be selected from area, Jiuquan, dunhuang area or Zhangye Prefecture.
Described phosphogypsum is the by product after Guizhou Kailin Group Co., Ltd.'s Wet-process Phosphoric Acid Production, and its Contents of Main Components per-cent is as follows: CaO35.7-38.4%, S0
348.5-52.3%, water-soluble P2O
52.5-3.3%,
The invention also discloses the preparation method of salt affected soil pepper planting improver special, comprise the following steps:
(1) phosphogypsum powder getting total amount 20%-30% is broken to 140-200 order, and remaining phosphogypsum is pulverized as 100-170 order, for subsequent use;
(2) starch-polyacrylamide amine compound is crushed to 100-170 order, for subsequent use:
(3) chicken manure of total amount 50%-70%, dry cow dung, soya-bean cake, dish slag are mixed, fluff packing, at normal temperatures compost fermentation 3-5 days, treat that compost temperature carries out turning to 55-70 DEG C, evenly be sprinkled into phosphogypsum powder and remaining chicken and duck excrement, soya-bean cake, the dish slag of the step (1) of total amount 20%-30% simultaneously, ferment 10-15 days again, then by compost compacting, with earth or membrane sealed, fermentation 40-60 days, then dry, be ground into 100-170 order, for subsequent use;
(4) the phosphogypsum powder Homogeneous phase mixing of the compost powder of phosphogypsum step (3) obtained, the starch of step (2)-polyacrylamide amine compound powder, step (1) remaining 70%-80%, obtains pepper planting improver special.
Preferably, in described step (1), the phosphogypsum powder of total amount 20%-30% is broken to 170-180 order, and surplus phosphogypsum powder is broken to 120-140 order;
Preferably, described step (2), (3) Raw are crushed to 120-140 order.
Preferably, compost height is 1-2 rice in described step (3), and turning 2-3 time between yeast phase again, avoids leavening temperature too high, and organic matter decomposition of becoming thoroughly decomposed is too fast, causes nitrogen loss.
Preferably, the envrionment temperature closing fermentation in described step (3) is 15-30 DEG C, and bake out temperature is 120-150 DEG C.
Another object of the present invention is to provide the application method of described salt affected soil pepper planting improver special, it is characterized in that: the modifying agent obtained evenly is spread fertilizer over the fields on moderate salt affected soil surface according to the consumption of 400-900kg/ mu, then plough, transplant pepper seedling raising, then conveniently pepper cultivation method carries out cultivating.
Wherein, described arable land is rotary tillage, makes the soil Homogeneous phase mixing of modifying agent and the 0-40cm degree of depth.
Wherein, spread fertilizer over the fields capsicum improver special after 7-14 days at salt affected soil, by soil eluviation, and then transplant, improved effect is better.
Utilize the salt affected soil of capsicum improver special of the present invention to desert plains region to improve, there is following features:
(1) pepper planting improver special of the present invention, take into full account that the regional salt affected soil lack of water such as Jiuquan, Zhangye, drying, topsoil harden, the features (be mainly saline moist soil, desert soil is filled with in salinization) such as drought, easily evaporation, dehydration are fast, and for nutrient, water grading factors needed for pepper planting, select the starting material being suitable for plant-growth, focus on the improvement to booth plantation capsicum soil, regulate soil acidity or alkalinity, salinity and nutrient, make it be suitable for the plantation of capsicum.
(2) the present invention utilizes the by product phosphogypsum after Guizhou Kailin Group Co., Ltd.'s Wet-process Phosphoric Acid Production, this by product has terra alba, advantage that available phosphorus content is high, the salt affected soil of Gansu province is improved, takes full advantage of CaO, the S0 in phosphogypsum
3, water-soluble P
2o
5and the inorganic components such as calcium, magnesium, effectively improve the saltiness in salt affected soil and basicity, make saltiness reduce 25-35%, pH value reduces 0.5-0.9, and phosphorus in phosphogypsum, calcium, magnesium elements can also give full play to the effect of fattening, Promoting plant growth.
(3) the present invention is by part phosphogypsum and chicken manure, dry cow dung, soya-bean cake and the common compost maturity of dish slag, not only can make full use of the element such as phosphorus, calcium, magnesium wherein, also can reduce the volatilization of ammonia, result shows, phosphogypsum is added in compost, fertilizer pH, specific conductivity, and the quantity discharged of CH and N:O significantly reduces; Remaining most of phosphogypsum directly acts on soil in addition, the effect of phosphogypsum original reduction salt affected soil basicity and salinity can also be retained, the modifying agent prepared is made to be very suitable for the growth of capsicum, it is 92-97% that capsicum transplants rear surviving rate, plant height increases 15-26%, and biomass increases 20-40%.
(4) in the chosen process of modifying agent, take into full account the feature of Gansu province drought, add the water-holding agent of specific consumption, not only can play water conservation moisturizing, regulate the effect of soil moisture, phosphogypsum can also be coordinated, the heavy metal such as Zn, Mn, chromium in common absorption soil and phosphogypsum, reduces the pollution of metal pair soil, makes formula, preparation method is optimized.
(5) soil improvement agent of different amounts is bestowed respectively according to saline and alkaline degree difference, and consider the habit of capsicum, select specific soil level to plough, especially soil pretreatment for some time before capsicum plantation, modifying agent is substantially improved soil, reach and improve soil property, improve the objects such as capsicum percentage of fertile fruit, capsicum nutrient composition content, shape.
(6) salt affected soil pepper planting improver special of the present invention, formula is simple, preparation method is simple and easy to do, be applicable to the improvement of the type salt affected soils such as Gansu province saline moist soil, salinization filling desert soil, be particularly suitable for the plantation of capsicum, capsicum is made to increase production 10-20%, Vc, carotene, capsicine content about increase 5-15%, 10-30%, 2-10%, and fresh peppery tasty and refreshing, individual full greatly.There is applications well prospect.
Embodiment:
Below adopt concrete experimental example and embodiment, prove effect of the present invention further:
Test 1: modifying agent screening study of the present invention
1.1 recipe determination: select the beast ight soil such as chicken, duck, ox, sheep, bean dregs, dish slag, plant ash, maize straw, domestic sludge etc., consumption is selected routinely, then arrange in pairs or groups with phosphogypsum, research be suitable for chili growth and can improve saline-alkali soil raw material composition and ratio (1, chicken and duck excrement+bean dregs; 2, cattle and sheep excrement+plant ash+dish slag; 3, dry cow dung+maize straw+dish slag; 4, chicken manure+dry cow dung+bean dregs+dish slag; 5, chicken, duck, ox, sheep excrement+domestic sludge; 6, ox, sheep excrement+bean dregs+dish slag; 7, chicken manure+dry cow dung+domestic sludge+bean dregs), the starting material of various combination are directly sprinkled in salt affected soil, transplant pepper seedling raising, observe its surviving rate.
Through investigating, selecting chicken manure and dry cow dung, then combining with appropriate bean dregs, dish slag, effect is better than other combinations, and survival rate of seedling improves 62-83%, and the plant strain growth of more than 85% is good, and plant height and biomass are arranged in pairs or groups significantly better than other.The each composition amount ranges of further investigation.
1.2 amount ranges screenings:
Starting material are selected, numbered samples 2,3 by embodiment 2,3 formula consumption;
Comparative formula 1: phosphogypsum 400kg, chicken manure 170kg, dry cow dung 120kg, soya-bean cake 200kg, dish slag 130kg, starch-polyacrylamide amine compound 170kg;
Comparative formula 2: phosphogypsum 700kg, chicken manure 20kg, dry cow dung 10kg, soya-bean cake 50kg, dish slag 30kg, starch-polyacrylamide amine compound 40kg.
After the starting material of above-mentioned each formula are mixed respectively, be directly sprinkled in salt affected soil by every mu of 500kg modifying agent consumption, then transplant pepper seedling raising, often organize 50 strains, observe its surviving rate.
Through investigating, in salt affected soil after sample 2,3 processes, pepper seedling raising surviving rate is compared the low consumption formula of comparative formula 1 i.e. phosphogypsum and is improved 80-85%, and plant strain growth is good, plant height and biomass significantly better than the formula combination of low consumption, illustrate that phosphogypsum consumption is low and do not reach the object improving soil; In addition, relative to the comparative formula 2 of phosphogypsum height formula consumption, the pepper seedling raising surviving rate after inventive samples process also improves 15-25%, biomass improves 12-20%, can find out that, along with phosphogypsum consumption increases, it improves effect to soil and improves, but after certain consumption, consumption increases again, and effect can decline on the contrary, illustrate with other raw materials form rational consumption proportion, competence exertion best effect, therefore, it is reasonable that the present invention respectively forms amount ranges, and technical scheme is feasible.
Test 2: preparation method's research
Adopt chicken manure+dry cow dung+soya-bean cake+dish slag to become thoroughly decomposed separately respectively, jointly become thoroughly decomposed with whole phosphogypsum, three kinds of modes of becoming thoroughly decomposed of jointly becoming thoroughly decomposed with part phosphogypsum, then adopt respectively and be directly sprinkled into rear transplanting and be sprinkled into rear pre-treatment 7-14 days, transplant two kinds of processing modes after leaching, investigate from aspects such as pepper seedling raising growing way, percentage of fertile fruit, active constituent contents.Result shows, after adopting the organic matter such as part phosphogypsum and chicken manure jointly to become thoroughly decomposed, and pre-treatment certain hour in soil, pepper planting better effects if, the pH value of soil can be made to reduce 0.5-0.9, and saltiness reduces 10-20%; Capsicum seedling vigorous index increases 15-26%, and percentage of fertile fruit improves about 30%.
Test 3: contrast effect is studied
Comparative sample 1: prepare sample according to the method for CN201410711016.3 embodiment 1.
Comparative sample 2: obtain vegetables stubble compost product according to the method for CN201010136464.7 embodiment, and then add phosphogypsum, volume feed is made to be: vegetables stubble compost product: the peat composed of rotten mosses: vermiculite: phosphogypsum=4:2:2:4, is mixed to get sample.
Comparative sample 3: form according to the raw material of CN201310674804.5 embodiment 1: cow dung 4 parts, waste material of edible mushroom 2 parts, perlite 4 parts, add phosphogypsum 4 parts in addition again, mixing oven dry obtains sample.
Select area, Jiuquan moderate salt affected soil, saltiness 0.34%, pH8.31, capsicum variety is blue or green line green pepper No. 1;
The sample obtained with embodiment 1-4 and comparative sample 1-3 are for investigating object, and the method that soil treatment all adopts pre-treatment to transplant after two weeks, compare with untreated soil, to soil salinity and alkalinity in the best fruiting period, yield of hot pepper, nutrient composition content etc. are investigated.The results are shown in Table 1,2.
(0 ~ 40cm) deep soil salt and salt ion composition after soil improvement agent used by table 1
The impact on yield of hot pepper and quality after soil improvement agent used by table 2
| Process | Output (kg/ mu) | Vc(mg/100g) | Carotene (μ g/100g) | Capsicine (%) |
| Contrast | 1362.7 | 161.6 | 153.4 | 2.53 |
| Embodiment 1 | 2230.8 | 192.4 | 216.5 | 2.74 |
| Embodiment 2 | 2154.7 | 187.3 | 201.7 | 2.68 |
| Embodiment 3 | 2268.1 | 193.1 | 220.4 | 2.77 |
| Embodiment 4 | 2215.5 | 189.5 | 211.8 | 2.72 |
| Contrast 1 | 1956.4 | 178.7 | 176.2 | 2.62 |
| Contrast 2 | 1877.8 | 172.6 | 168.6 | 2.57 |
| Contrast 3 | 2013.5 | 175.8 | 181.3 | 2.56 |
Soil salt content after modifying agent of the present invention is used in table 1 display comparatively contrasts and reduces 10.6-18.2%, and sodium ion, chloride ion content obviously reduce, and are better than comparative sample, salt reduction successful, and in addition, soil cation exchange capacity increases, and is conducive to soil fertilizer; After modifying agent of the present invention is used in table 2 display, yield of hot pepper obviously increases and is better than the treatment effect of comparative sample, Vc, carotene, capsicine content about increase 4.8-11.9%, 11.3-30.7%, 2.3-7.8% respectively compared with contrast in addition, illustrate that technical solution of the present invention is significantly improved for the salt affected soil of salt affected soil especially Gansu province, have a good application prospect.
Embodiment 1
Formula: phosphogypsum 550kg, chicken manure 90kg, dry cow dung 60kg, soya-bean cake 120kg, dish slag 80kg, starch-polyacrylamide amine compound 100kg
Preparation method: the phosphogypsum powder that (1) gets total amount 25% is broken to 170 orders, it is 140 orders that remaining phosphogypsum is pulverized, for subsequent use;
(2) starch-polyacrylamide amine compound is crushed to 140 orders, for subsequent use:
(3) the chicken and duck excrement of total amount 60%, soya-bean cake, dish slag are mixed, fluff packing, compost height is 1.5 meters, compost fermentation 3-5 days at normal temperatures, treat that compost temperature to 60 DEG C carries out turning, evenly be sprinkled into phosphogypsum powder and remaining chicken and duck excrement, soya-bean cake, the dish slag of the step (1) of total amount 25% simultaneously, again ferment 15 days, period turning 3 times, then by compost compacting, with earth or membrane sealed, 25 DEG C ferment 50 days, and then dry, bake out temperature is 130 DEG C, be ground into 140 orders, for subsequent use;
(4) the phosphogypsum powder Homogeneous phase mixing of the compost powder of phosphogypsum step (3) obtained, the starch of step (2)-polyacrylamide amine compound powder, step (1) remaining 75%, obtains pepper planting improver special.
Embodiment 2
Formula: phosphogypsum 450kg, chicken manure 30kg, dry cow dung 20kg, soya-bean cake 60kg, dish slag 40kg, starch-polyacrylamide amine compound 50kg
Preparation method: the phosphogypsum powder that (1) gets total amount 20% is broken to 200 orders, it is 100 orders that remaining phosphogypsum is pulverized, for subsequent use;
(2) starch-polyacrylamide amine compound is crushed to 100 orders, for subsequent use:
(3) the chicken and duck excrement of total amount 50%, soya-bean cake, dish slag are mixed, fluff packing, compost height is 1 meter, compost fermentation 3-5 days at normal temperatures, treat that compost temperature to 55 DEG C carries out turning, evenly be sprinkled into phosphogypsum powder and remaining chicken and duck excrement, soya-bean cake, the dish slag of the step (1) of total amount 20% simultaneously, again ferment 10 days, period turning 2 times, then by compost compacting, with earth or membrane sealed, 15 DEG C ferment 60 days, and then dry, bake out temperature is 150 DEG C, be ground into 100 orders, for subsequent use;
(4) the phosphogypsum powder Homogeneous phase mixing of the compost powder of phosphogypsum step (3) obtained, the starch of step (2)-polyacrylamide amine compound powder, step (1) remaining 80%, obtains pepper planting improver special.
Embodiment 3
Formula: phosphogypsum 650kg, chicken manure 150kg, dry cow dung 100kg, soya-bean cake 180kg, dish slag 120kg, starch-polyacrylamide amine compound 150kg
Preparation method: the phosphogypsum powder that (1) gets total amount 30% is broken to 140 orders, it is 170 orders that remaining phosphogypsum is pulverized, for subsequent use;
(2) starch-polyacrylamide amine compound is crushed to 170 orders, for subsequent use:
(3) the chicken and duck excrement of total amount 70%, soya-bean cake, dish slag are mixed, fluff packing, compost height is 2 meters, compost fermentation 3-5 days at normal temperatures, treat that compost temperature to 70 DEG C carries out turning, evenly be sprinkled into phosphogypsum powder and remaining chicken and duck excrement, soya-bean cake, the dish slag of the step (1) of total amount 30% simultaneously, again ferment 12 days, period turning 2 times, then by compost compacting, with earth or membrane sealed, 30 DEG C ferment 40 days, and then dry, bake out temperature is 120 DEG C, be ground into 170 orders, for subsequent use;
(4) the phosphogypsum powder Homogeneous phase mixing of the compost powder of phosphogypsum step (3) obtained, the starch of step (2)-polyacrylamide amine compound powder, step (1) remaining 70%, obtains pepper planting improver special.
Embodiment 4
Formula: phosphogypsum 500kg, chicken manure 120kg, dry cow dung 50kg, soya-bean cake 150kg, dish slag 60kg, starch-polyacrylamide amine compound 120kg
Preparation method: the phosphogypsum powder that (1) gets total amount 25% is broken to 170 orders, it is 120 orders that remaining phosphogypsum is pulverized, for subsequent use;
(2) starch-polyacrylamide amine compound is crushed to 120 orders, for subsequent use:
(3) the chicken and duck excrement of total amount 55%, soya-bean cake, dish slag are mixed, fluff packing, compost height is 1 meter, compost fermentation 3-5 days at normal temperatures, treat that compost temperature to 65 DEG C carries out turning, evenly be sprinkled into phosphogypsum powder and remaining chicken and duck excrement, soya-bean cake, the dish slag of the step (1) of total amount 25% simultaneously, again ferment 15 days, period turning 3 times, then by compost compacting, with earth or membrane sealed, 20 DEG C ferment 56 days, and then dry, bake out temperature is 140 DEG C, be ground into 120 orders, for subsequent use;
(4) the phosphogypsum powder Homogeneous phase mixing of the compost powder of phosphogypsum step (3) obtained, the starch of step (2)-polyacrylamide amine compound powder, step (1) remaining 75%, obtains pepper planting improver special.
Embodiment 5
Formula: phosphogypsum 600kg, chicken manure 50kg, dry cow dung 120kg, soya-bean cake 90kg, dish slag 100kg, starch-polyacrylamide amine compound 80kg
Preparation method: the phosphogypsum powder that (1) gets total amount 25% is broken to 170 orders, it is 120 orders that remaining phosphogypsum is pulverized, for subsequent use;
(2) starch-polyacrylamide amine compound is crushed to 120 orders, for subsequent use:
(3) the chicken and duck excrement of total amount 65%, soya-bean cake, dish slag are mixed, fluff packing, compost height is 1 meter, compost fermentation 3-5 days at normal temperatures, treat that compost temperature to 65 DEG C carries out turning, evenly be sprinkled into phosphogypsum powder and remaining chicken and duck excrement, soya-bean cake, the dish slag of the step (1) of total amount 25% simultaneously, again ferment 15 days, period turning 3 times, then by compost compacting, with earth or membrane sealed, 20 DEG C ferment 56 days, and then dry, bake out temperature is 140 DEG C, be ground into 120 orders, for subsequent use;
(4) the phosphogypsum powder Homogeneous phase mixing of the compost powder of phosphogypsum step (3) obtained, the starch of step (2)-polyacrylamide amine compound powder, step (1) remaining 75%, obtains pepper planting improver special.
Claims (10)
1. an improver special for salt affected soil pepper planting, is characterized in that, is made up of following raw material: phosphogypsum 45-65 part, chicken manure 3-15 part, dry cow dung 2-10 part, soya-bean cake 6-18 part, dish slag 4-12 part, starch-polyacrylamide amine compound 5-15 part.
2. the improver special of salt affected soil pepper planting as claimed in claim 1, is characterized in that: be made up of following raw material: phosphogypsum 50-60 part, chicken manure 6-12 part, dry cow dung 5-7 part, soya-bean cake 9-15 part, dish slag 6-10 part, starch-polyacrylamide amine compound 8-12 part.
3. the improver special of salt affected soil pepper planting as claimed in claim 1, is characterized in that: described salt affected soil is the moderate salt affected soil of saltiness 3-6 ‰, pH value 8.0-9.0, is selected from area, Jiuquan, dunhuang area or Zhangye Prefecture.
4. the improver special of salt affected soil pepper planting as claimed in claim 1, is characterized in that: the Contents of Main Components per-cent of described phosphogypsum is as follows: CaO35.7-38.4%, S0
348.5-52.3%, water-soluble P2O
52.5-3.3%.
5. the improver special of the salt affected soil pepper planting as described in any one of claim 1-4, is characterized in that: preparation method comprises the following steps:
(1) phosphogypsum powder getting total amount 20%-30% is broken to 140-200 order, and remaining phosphogypsum is pulverized as 100-170 order, for subsequent use;
(2) starch-polyacrylamide amine compound is crushed to 100-170 order, for subsequent use:
(3) chicken manure of total amount 50%-70%, dry cow dung, soya-bean cake, dish slag are mixed, fluff packing, at normal temperatures compost fermentation 3-5 days, treat that compost temperature carries out turning to 55-70 DEG C, evenly be sprinkled into phosphogypsum powder and remaining chicken and duck excrement, soya-bean cake, the dish slag of the step (1) of total amount 20%-30% simultaneously, ferment 10-15 days again, then by compost compacting, with earth or membrane sealed, fermentation 40-60 days, then dry, be ground into 100-170 order, for subsequent use;
(4) the phosphogypsum powder Homogeneous phase mixing of the compost powder of phosphogypsum step (3) obtained, the starch of step (2)-polyacrylamide amine compound powder, step (1) remaining 70%-80%, obtains pepper planting improver special.
6. the improver special of salt affected soil pepper planting as claimed in claim 5, is characterized in that: in described step (1), the phosphogypsum powder of total amount 20%-30% is broken to 170-180 order, and surplus phosphogypsum powder is broken to 120-140 order; Described step (2), (3) Raw are crushed to 120-140 order.
7. the improver special of salt affected soil pepper planting as claimed in claim 5, is characterized in that: in described step (3), compost height is 1-2 rice, turning 2-3 time between yeast phase again.
8. application method as claimed in claim 7, is characterized in that: evenly spread fertilizer over the fields the consumption of the modifying agent obtained according to 400-900kg/ mu at soil surface, then plough, and transplants pepper seedling raising.
9. application method as claimed in claim 7, is characterized in that: evenly spread fertilizer over the fields on moderate salt affected soil surface according to the consumption of 400-900kg/ mu by the modifying agent obtained, then rotary tillage, makes the soil Homogeneous phase mixing of modifying agent and the 0-40cm degree of depth.
10. the application method as described in any one of claim 7-9, is characterized in that: the method for transplanting of described capsicum spreads fertilizer over the fields capsicum improver special after 7-14 days at salt affected soil, by soil eluviation, and then transplants Hot Pepper Seedling.
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Application publication date: 20151118 |