CN104761412A - A fertilizer for sweet potato planting in saline-alkali land and a preparing method thereof - Google Patents
A fertilizer for sweet potato planting in saline-alkali land and a preparing method thereof Download PDFInfo
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Abstract
The invention relates to a fertilizer for sweet potato planting in saline-alkali land and a preparing method thereof. The fertilizer comprises humic acid, microorganisms, farmyard manure, straw, a kitchen garbage product, a nitrogen fertilizer, a phosphorus fertilizer, a potassic fertilizer, a microelement fertilizer and a saline-alkali modification conditioner. The preparing method includes S1) mixing the straw and the farmyard manure, adding ferrous sulfate and zymophyte, and fermenting to produce a putrefactive mixture of the straw and the farmyard manure; S2) adding the kitchen garbage product, the microorganisms, the humic acid and the saline-alkali modification conditioner into the fermented mixture, mixing and granulating; and S3) stirring the granules with the nitrogen fertilizer, the phosphorus fertilizer, the potassic fertilizer and the microelement fertilizer, and mixing uniformly. The fertilizer for sweet potato planting is low in cost and easily available in raw materials and the preparing method is simple. The fertilizer for sweet potato planting effectively improves conditions of saline-alkali land, reduces salt contents and the pH value of soil, increases the content of organic matters in soil, meets fertilizer requirement laws of sweet potato, and is particularly suitable for application for sweet potato planting in saline-alkali land.
Description
Technical field
The present invention relates to a kind of fertilizer in agriculture field, be specifically related to special fertilizer of a kind of saltings sweet potato planting and preparation method thereof.
Background technology
Salting of soil is global Soil degradation problem, has made great loss to agriculture production.Due to irrational irrigation, excessively use chemical fertilizer and vegetation deterioration, saline Land is more and more serious.Fragile ecotope, the natural condition such as bad weather, geology, landforms and the hydrology are the principal characters in current salinization area.Saline-alkali soil because of its saliferous many, the features such as pH value is high, and structure is poor, fertility is low, all have a significant impact plant-growth and ecotope.
Research shows, the formation of salting of soil is mainly by the result of weather, soil, water (hydrology and hydrogeology), topography and geomorphology and mankind's activity comprehensive action, salinization increase the weight of the massive losses not only causing the destruction Of resources, agriculture production, but also biosphere and ecotope are constituted a threat to, show the harm of environment and economy two aspect, the appearance of some environmental problems and development, also cause or increased the weight of saline Land problem.
Along with the appearance of world population growth, land deterioration problem, alkaline land improving, exploitation and land protection measure are paid much attention in countries in the world.The finiteness in soil determines people and is necessary to carry out repairing to salt affected soil and put into practice, thus repairs improvement salt affected soil, makes it growing of suitable farm crop, is convenient to agricultural tillage, improve regional economy, impel regional society to develop.The reclamation of salinep-alkali soil utilizes not only can increase yield, alleviates crisis in food, and can improve the ecological environment, and improves the quality of life of people.
Place, saltings landform is smooth, and soil layer is deep, is suitable for tractor-ploughing, has potential fertility.Saline-alkali soil resource is a kind of very important land resources, and along with the contradiction of the increase of China's population and the minimizing shortage of resources in soil and ecological degeneration is more and more outstanding, people are alleviated crisis to development and utilization saltings and more and more paid attention to.China's saline-alkali soil area is large, and widely distributed, type is various, and the general degeneration that just there is soil, potential serious with secondary salinization problem.Data shows, and about there are 1,500,000,000 mu of various saline soil in China, accounts for 26.3% of world's saline soil area, and strand and saltings, hinterland area are comparatively large, and most of saltings is in state to be developed always.
Sweet potato is the annual or perennial draft of overgrowing of convolvulaceae sweet potato genus, and strong adaptability, output is high, is of high nutritive value, and is widely used in light industry, becomes important cash crop.Sweet potato is the fourth-largest food crop of China come after paddy rice, wheat, corn.As sweet potato producing country maximum in the world, the cultivated area of China and total product account for 69% and about 85% of world's total area and total product respectively, the energy yield of sweet potato is high, unit surface Energy output is almost equivalent to 3 times of corn, and high starch sweet potato kind is the processing of various starch product and the accurately machined important source material of wine as novel energy plant.Sweet potato well developed root system, the ability of the climing regeneration adventive root of stem is strong, has very strong drought-resistant ability, can plant on the salinate fields of barren sandy bare land and saltiness 0.5%.
The saltings area of China is large, and yield potential is large.Thus improve the soil regime in saltings, make it reach to meet the condition of crop growth to have important meaning.Sweet potato, as the farm crop can cultivated on saltings, is developed a kind of fertilizer meeting sweet potato regulation of fertilizer requirement for it and becomes particularly important.
Summary of the invention
The object of this invention is to provide fertilizer of a kind of saltings sweet potato planting and preparation method thereof.The object of the invention is to be achieved through the following technical solutions:
The fertilizer of a kind of saltings sweet potato planting, it is characterized in that: the composition of described fertilizer is: humic acid, microorganism, farm manure, stalk, changing food waste output object, nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, micro-fertilizer and saline and alkaline improvement amendment, described saline and alkaline improvement amendment is calcium superphosphate, ferrous sulfate, flyash and phosphogypsum.
Further, the composition of described fertilizer and the parts by weight of various composition are: humic acid 5 ~ 20 parts, 0.3 ~ 1 part, microorganism, farm manure 6 ~ 16 parts, stalk 15 ~ 40 parts, changing food waste output object 3 ~ 8 parts, 6 ~ 12 parts, nitrogenous fertilizer, 3 ~ 7 parts, phosphate fertilizer, 8 ~ 18 parts, potash fertilizer, micro-fertile 0.4 ~ 1 part and saline and alkaline improvement amendment 5 ~ 10 parts.
Further, the composition of described fertilizer and the parts by weight of various composition are: humic acid 10 ~ 15 parts, 0.5 ~ 0.7 part, microorganism, farm manure 10 ~ 14 parts, stalk 25 ~ 30 parts, changing food waste output object 5 ~ 6 parts, 7 ~ 9 parts, nitrogenous fertilizer, 4 ~ 5 parts, phosphate fertilizer, 9 ~ 12 parts, potash fertilizer, micro-fertile 0.6 ~ 0.8 part and saline and alkaline improvement amendment 7 ~ 8 parts.
Further, in described saline and alkaline improvement amendment, the weight ratio of various composition is flyash: phosphogypsum: calcium superphosphate: ferrous sulfate=4: 4: 3: 2.
Further, described farm manure is both human excrement and cow dung mixture.
Further, described micro-fertilizer is manganese fertilizer and boron fertilizer.
Further, described microorganism comprises vinelandii, phosphate solubilizing bacteria, potassium solubilizing bacteria, zymophyte and photosynthetic bacterium.
Further, described nitrogenous fertilizer is selected from granular urea, ammonium sulfate; Described phosphate fertilizer selects monoammonium phosphate, diammonium phosphate; Described potash fertilizer is selected from potassium sulfate, dipotassium hydrogen phosphate, potassium primary phosphate; Described stalk is agricultural crop straw, and this agricultural crop straw comprises maize straw and peanut straw.
A preparation method for the fertilizer of described saltings sweet potato planting, described preparation method is:
S1. in proportion stalk is mixed with farm manure, then add ferrous sulfate and the zymophyte of 5 ~ 6 ‰, ferment, generate stalk and the farm manure mixture of corruption; Described stalk is agricultural crop straw;
S2. add changing food waste output object, ferrous sulfate, calcium superphosphate, microorganism, humic acid, phosphogypsum and flyash mixing granulation in proportion in the stalk in step S1 after fermentation and farm manure mixture, obtain composite grain;
S3. step S2 gained particle and nitrogenous fertilizer, phosphate fertilizer, potash fertilizer and micro-fertilizer are stirred, mix, obtain the fertilizer of saltings sweet potato planting.
Further, in this preparation method, in described raw material, the parts by weight of various composition are: humic acid 5 ~ 20 parts, 0.3 ~ 1 part, microorganism, farm manure 6 ~ 16 parts, stalk 15 ~ 40 parts, changing food waste output object 3 ~ 8 parts, 6 ~ 12 parts, nitrogenous fertilizer, 3 ~ 7 parts, phosphate fertilizer, 8 ~ 18 parts, potash fertilizer, micro-fertile 0.4 ~ 1 part and saline and alkaline improvement amendment 5 ~ 10 parts.
The invention provides a kind of saltings beet fertilizer and preparation method thereof, its beneficial effect mainly had is: flyash has certain adsorptivity, can chessom, increases porosity, alleviates the soil weight, improves soil fertilizer, water retention capacity.Ca in phosphogypsum
2+the Na that soil colloid adsorbs can be replaced
+, and clay can be made to form small-particle, increase ventilation property and the water-permeable of soil, surface soil alkalinity is declined, is also beneficial to plant absorption calcium.Stalk and farm manure play chessom, increase the effect of water retention, make soil be unlikely to harden, and promote the formation of soil aggregate.Nitrogen can impel cauline leaf to grow, and promotes branch, early budding, early drags seedling, expand photosynthesis area, increase photosynthetic capacity.Phosphorus can accelerate the synthesis of nutritive substance, can accelerate cell fission, improves potato block quality.Potassium can strengthen photosynthesis, promotes that cell fission is accelerated in the synthesis of carbohydrate and running, promotes root Cambial activation, make the large raising output of block root manure.Above-mentioned each composition combines by the present invention, carries out the nutrient formula of science, and make a kind of special fertilizer for sweet potato material of saltings, and this fertilizer cost is cheap, raw material is easy to get, and preparation method is simple.And effectively can improve the situation of alkaline land soil, reduce soil salt content and pH value, increase soil organic matter content, meet the regulation of fertilizer requirement of sweet potato.Be particularly suitable for using of saltings sweet potato planting.
Embodiment
Fertilizer of a kind of saltings sweet potato planting described in the embodiment of the present invention and preparation method thereof.For specific experiment case, embodiment is described below, should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment 1
The composition of the fertilizer of saltings sweet potato planting consists of: humic acid, microorganism, farm manure, stalk, changing food waste output object, nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, micro-fertilizer and saline and alkaline improvement amendment, and this saline and alkaline improvement amendment is calcium superphosphate, ferrous sulfate, flyash and phosphogypsum.
Embodiment 2
The composition of the fertilizer of saltings sweet potato planting and the content of various composition are: humic acid 5kg, microorganism 1kg, farm manure 6kg, stalk 40kg, changing food waste output object 3kg, nitrogenous fertilizer 12kg, phosphate fertilizer 3kg, potash fertilizer 18kg, micro-fertile 0.4kg and saline and alkaline improvement amendment 10kg.In this saline and alkaline improvement amendment, the weight ratio of various composition is flyash: phosphogypsum: calcium superphosphate: ferrous sulfate=4: 4: 3: 2.
Embodiment 3
The composition of the fertilizer of saltings sweet potato planting and the content of various composition are: humic acid 20kg, microorganism 0.3kg, farm manure 16kg, stalk 15kg, changing food waste output object 8kg, nitrogenous fertilizer 6kg, phosphate fertilizer 7kg, potash fertilizer 8kg, micro-fertile 1kg and saline and alkaline improvement amendment 5kg.In this saline and alkaline improvement amendment, the weight ratio of various composition is flyash: phosphogypsum: calcium superphosphate: ferrous sulfate=4: 4: 3: 2.
Embodiment 4
The composition of the fertilizer of saltings sweet potato planting and the content of various composition are: humic acid 10kg, microorganism 0.7kg, farm manure 10kg, stalk 30kg, changing food waste output object 5kg, nitrogenous fertilizer 9kg, phosphate fertilizer 4kg, potash fertilizer 12kg, micro-fertile 0.6kg and saline and alkaline improvement amendment 8kg.In this saline and alkaline improvement amendment, the weight ratio of various composition is flyash: phosphogypsum: calcium superphosphate: ferrous sulfate=4: 4: 3: 2.
Embodiment 5
The composition of the fertilizer of saltings sweet potato planting and the content of various composition are: humic acid 15kg, microorganism 0.5kg, farm manure 14kg, stalk 25kg, changing food waste output object 6kg, nitrogenous fertilizer 7kg, phosphate fertilizer 5kg, potash fertilizer 9kg, micro-fertile 0.8kg and saline and alkaline improvement amendment 7kg.In this saline and alkaline improvement amendment, the weight ratio of various composition is flyash: phosphogypsum: calcium superphosphate: ferrous sulfate=4: 4: 3: 2.
Embodiment 6
The composition of the fertilizer of saltings sweet potato planting and the content of various composition are: humic acid 12kg, microorganism 0.6kg, farm manure 12kg, stalk 27kg, changing food waste output object 5.5kg, nitrogenous fertilizer 8kg, phosphate fertilizer 4.5kg, potash fertilizer 10kg, micro-fertile 0.7kg and saline and alkaline improvement amendment 7.5kg.In this saline and alkaline improvement amendment, the weight ratio of various composition is flyash: phosphogypsum: calcium superphosphate: ferrous sulfate=4: 4: 3: 2.
Embodiment 7
The composition of the fertilizer of saltings sweet potato planting and the content of various composition are: humic acid 5kg, microorganism 0.3kg, farm manure 6kg, stalk 15kg, changing food waste output object 3kg, saline and alkaline improvement amendment 5kg, nitrogenous fertilizer 6kg, phosphate fertilizer 3kg, potash fertilizer 8kg and micro-fertile 0.4kg.In this saline and alkaline improvement amendment described, the weight ratio of various composition is flyash: phosphogypsum: calcium superphosphate: ferrous sulfate=4: 4: 3: 2.
Embodiment 8
In embodiment 1 ~ 7, described farm manure is both human excrement and cow dung mixture; Described micro-fertilizer is manganese fertilizer and boron fertilizer.Described microorganism comprises vinelandii, phosphate solubilizing bacteria, potassium solubilizing bacteria, zymophyte and photosynthetic bacterium; Described nitrogenous fertilizer is selected from granular urea, ammonium sulfate; Described phosphate fertilizer selects monoammonium phosphate, diammonium phosphate; Described potash fertilizer is selected from potassium sulfate, dipotassium hydrogen phosphate, potassium primary phosphate; Described stalk is agricultural crop straw, and this agricultural crop straw comprises maize straw and peanut straw.
Embodiment 9
A kind of preparation method of fertilizer of described saltings sweet potato planting is: stalk mixes with farm manure by S1. in proportion, then adds ferrous sulfate and the zymophyte of 5 ~ 6 ‰, ferments, and generates stalk and the farm manure mixture of corruption; Described stalk is agricultural crop straw; S2. add changing food waste output object, ferrous sulfate, calcium superphosphate, microorganism, humic acid, phosphogypsum and flyash mixing granulation in proportion in the stalk in step S1 after fermentation and farm manure mixture, obtain composite grain; S3. step S2 gained particle and nitrogenous fertilizer, phosphate fertilizer, potash fertilizer and micro-fertilizer are stirred, mix, obtain the fertilizer of saltings sweet potato planting.
In this preparation method, raw material humic acid, microorganism, farm manure, stalk, changing food waste output object, nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, micro-fertilizer and the saline and alkaline content of improvement amendment and the composition of often kind of raw material, with the amount shown in embodiment 1 ~ 8, just do not list in the present embodiment one by one.
Embodiment 10
The application process of saltings provided by the present invention special fertilizer for sweet potato material, comprise the steps:, by the saltings special fertilizer for sweet potato material prepared in above-described embodiment, evenly to spread fertilizer over the fields at soil surface, according to practical situation determination consumption, turn over rotary cultivator again, fertilizer is fully contacted with soil.
During concrete enforcement, in the present invention, nitrogen is protein, protoplasma, chlorophyllous chief component.Cauline leaf can be impelled to grow, promote branch, early budding, early drag seedling, expand photosynthesis area, increase photosynthetic capacity.Phosphorus is protoplasma and nuclear main component.The synthesis of nutritive substance can be accelerated, can cell fission be accelerated, improve potato block quality.Potassium can strengthen photosynthesis, promotes that cell fission is accelerated in the synthesis of carbohydrate and running, promotes root Cambial activation, make the large raising output of block root manure.Ca2+ in phosphogypsum can replace the Na+ that soil colloid adsorbs also can make clay form small-particle, increases ventilation property and the water-permeable of soil, surface soil alkalinity is declined, is also beneficial to plant absorption calcium.Flyash has certain adsorptivity, can chessom, increases porosity, alleviates the soil weight, improves soil fertilizer, water retention capacity.Humic acid effectively can reduce soil pH value, improves Soil structure.Crushed stalk particle plays loosing soil effect, makes soil be unlikely to harden, and impels Zinc fractions crumb structure.Farm manure plays chessom and increases the effect of water retention, makes soil be unlikely to harden, promotes the formation of soil aggregate.Adding sulfuric acid Asia in farm manure, is that the volatile salt that volatilization loss easily occurs changes into the more stable ammonium sulfate of character, thus effectively suppresses nitrogen loss in order to make character unstable.Microorganism can produce glucide, and with plant mucilage, mineral idiosome and organic colloid combine, and can improve soil aggregate, strengthens the physicals of soil and reduces the loss of soil particle, promoting soil and store fertilizer, water retention capacity.Under certain conditions, soil ulmin can also be participated in formed.
The present invention is not limited to above-mentioned preferred forms, anyone for the present invention any modification done under enlightenment of the present invention or change, and every have identical with the application or akin technical scheme, all drops within protection scope of the present invention.
Claims (10)
1. the fertilizer of a saltings sweet potato planting, it is characterized in that: the composition of described fertilizer is: humic acid, microorganism, farm manure, stalk, changing food waste output object, nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, micro-fertilizer and saline and alkaline improvement amendment, described saline and alkaline improvement amendment is calcium superphosphate, ferrous sulfate, flyash and phosphogypsum.
2. the fertilizer of saltings according to claim 1 sweet potato planting, it is characterized in that, the composition of described fertilizer and the parts by weight of various composition are: humic acid 5 ~ 20 parts, 0.3 ~ 1 part, microorganism, farm manure 6 ~ 16 parts, stalk 15 ~ 40 parts, changing food waste output object 3 ~ 8 parts, 6 ~ 12 parts, nitrogenous fertilizer, 3 ~ 7 parts, phosphate fertilizer, 8 ~ 18 parts, potash fertilizer, micro-fertile 0.4 ~ 1 part and saline and alkaline improvement amendment 5 ~ 10 parts.
3. the fertilizer of saltings according to claim 2 sweet potato planting, it is characterized in that, the composition of described fertilizer and the parts by weight of various composition are: humic acid 10 ~ 15 parts, 0.5 ~ 0.7 part, microorganism, farm manure 10 ~ 14 parts, stalk 25 ~ 30 parts, changing food waste output object 5 ~ 6 parts, 7 ~ 9 parts, nitrogenous fertilizer, 4 ~ 5 parts, phosphate fertilizer, 9 ~ 12 parts, potash fertilizer, micro-fertile 0.6 ~ 0.8 part and saline and alkaline improvement amendment 7 ~ 8 parts.
4. the fertilizer of the saltings sweet potato planting according to any one of claims 1 to 3, is characterized in that, in described saline and alkaline improvement amendment, the weight ratio of various composition is flyash: phosphogypsum: calcium superphosphate: ferrous sulfate=4: 4: 3: 2.
5. the fertilizer of the saltings sweet potato planting according to any one of claims 1 to 3, is characterized in that, described farm manure is both human excrement and cow dung mixture.
6. the fertilizer of the saltings sweet potato planting according to any one of claims 1 to 3, is characterized in that, described micro-fertilizer is manganese fertilizer and boron fertilizer.
7. the fertilizer of the saltings sweet potato planting according to any one of claims 1 to 3, is characterized in that, described microorganism comprises vinelandii, phosphate solubilizing bacteria, potassium solubilizing bacteria, zymophyte and photosynthetic bacterium.
8. the fertilizer of the saltings sweet potato planting according to any one of claims 1 to 3, is characterized in that, described nitrogenous fertilizer is selected from granular urea, ammonium sulfate; Described phosphate fertilizer selects monoammonium phosphate, diammonium phosphate; Described potash fertilizer is selected from potassium sulfate, dipotassium hydrogen phosphate, potassium primary phosphate; Described stalk is agricultural crop straw, and this agricultural crop straw comprises maize straw and peanut straw.
9. a preparation method for the fertilizer of the saltings sweet potato planting more than basis described in arbitrary claim, is characterized in that: described preparation method is:
S1. in proportion stalk is mixed with farm manure, then add ferrous sulfate and the zymophyte of 5 ~ 6 ‰, ferment, generate stalk and the farm manure mixture of corruption; Described stalk is agricultural crop straw;
S2. add changing food waste output object, ferrous sulfate, calcium superphosphate, microorganism, humic acid, phosphogypsum and flyash mixing granulation in proportion in the stalk in step S1 after fermentation and farm manure mixture, obtain composite grain;
S3. step S2 gained particle and nitrogenous fertilizer, phosphate fertilizer, potash fertilizer and micro-fertilizer are stirred, mix, obtain the fertilizer of saltings sweet potato planting.
10. the preparation method of the fertilizer of saltings according to claim 9 sweet potato planting, it is characterized in that, the parts by weight preparing the various compositions of this fertilizer are: humic acid 5 ~ 20 parts, 0.3 ~ 1 part, microorganism, farm manure 6 ~ 16 parts, stalk 15 ~ 40 parts, changing food waste output object 3 ~ 8 parts, 6 ~ 12 parts, nitrogenous fertilizer, 3 ~ 7 parts, phosphate fertilizer, 8 ~ 18 parts, potash fertilizer, micro-fertile 0.4 ~ 1 part and saline and alkaline improvement amendment 5 ~ 10 parts.
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| CN105439775A (en) * | 2015-12-29 | 2016-03-30 | 北京瑞昊金生源农业工程技术集团有限公司 | Specific fertilizer for saline-alkali soil and preparation method thereof |
| CN106171405A (en) * | 2016-07-11 | 2016-12-07 | 山东胜伟园林科技有限公司 | A kind of method of salt-soda soil, arid area sweet potato planting |
| CN106358706A (en) * | 2016-08-30 | 2017-02-01 | 山东胜伟园林科技有限公司 | Method for planting sesames in saline-alkali land |
| CN106398712A (en) * | 2016-08-30 | 2017-02-15 | 山东胜伟园林科技有限公司 | Soil improving agent for agricultural fields of secondary salinization lands in Hetao irrigation area |
| CN106386045A (en) * | 2016-08-29 | 2017-02-15 | 山东胜伟园林科技有限公司 | Method for planting sorghum in saline-alkali land in Hetao irrigation area |
| CN108358728A (en) * | 2018-03-30 | 2018-08-03 | 龚月 | Soil conditioning matrix containing Chinese medicine waste and its preparation method and application |
| CN109678591A (en) * | 2018-11-26 | 2019-04-26 | 安徽省阜阳永祥良种服务有限责任公司 | A kind of special fertilizer for sweet potato material |
| CN109734533A (en) * | 2017-12-08 | 2019-05-10 | 苏州市农业科学院 | Salinized soil modifying agent and its manufacturing method |
| CN113816802A (en) * | 2020-12-29 | 2021-12-21 | 宁夏玉泉生物肥料有限公司 | Special organic fertilizer formula for saline-alkali soil improvement |
| CN115385745A (en) * | 2022-09-17 | 2022-11-25 | 山东省农业科学院 | Preparation method of mixed fertilizer for improving coastal saline-alkali soil |
| CN115448783A (en) * | 2022-09-16 | 2022-12-09 | 重庆市林业科学研究院 | Organic pollution-free fertilizer and preparation method thereof |
| CN117716857A (en) * | 2024-01-17 | 2024-03-19 | 山东省农业技术推广中心(山东省农业农村发展研究中心) | Fertilizing method for fresh sweet potatoes in saline-alkali soil |
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| CN105439775A (en) * | 2015-12-29 | 2016-03-30 | 北京瑞昊金生源农业工程技术集团有限公司 | Specific fertilizer for saline-alkali soil and preparation method thereof |
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| CN106386045A (en) * | 2016-08-29 | 2017-02-15 | 山东胜伟园林科技有限公司 | Method for planting sorghum in saline-alkali land in Hetao irrigation area |
| CN106358706A (en) * | 2016-08-30 | 2017-02-01 | 山东胜伟园林科技有限公司 | Method for planting sesames in saline-alkali land |
| CN106398712A (en) * | 2016-08-30 | 2017-02-15 | 山东胜伟园林科技有限公司 | Soil improving agent for agricultural fields of secondary salinization lands in Hetao irrigation area |
| CN109734533A (en) * | 2017-12-08 | 2019-05-10 | 苏州市农业科学院 | Salinized soil modifying agent and its manufacturing method |
| CN108358728A (en) * | 2018-03-30 | 2018-08-03 | 龚月 | Soil conditioning matrix containing Chinese medicine waste and its preparation method and application |
| CN109678591A (en) * | 2018-11-26 | 2019-04-26 | 安徽省阜阳永祥良种服务有限责任公司 | A kind of special fertilizer for sweet potato material |
| CN113816802A (en) * | 2020-12-29 | 2021-12-21 | 宁夏玉泉生物肥料有限公司 | Special organic fertilizer formula for saline-alkali soil improvement |
| CN115448783A (en) * | 2022-09-16 | 2022-12-09 | 重庆市林业科学研究院 | Organic pollution-free fertilizer and preparation method thereof |
| CN115385745A (en) * | 2022-09-17 | 2022-11-25 | 山东省农业科学院 | Preparation method of mixed fertilizer for improving coastal saline-alkali soil |
| CN117716857A (en) * | 2024-01-17 | 2024-03-19 | 山东省农业技术推广中心(山东省农业农村发展研究中心) | Fertilizing method for fresh sweet potatoes in saline-alkali soil |
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