CN114568061B - Rapid reconstruction method of plough layer - Google Patents
Rapid reconstruction method of plough layer Download PDFInfo
- Publication number
- CN114568061B CN114568061B CN202210094668.1A CN202210094668A CN114568061B CN 114568061 B CN114568061 B CN 114568061B CN 202210094668 A CN202210094668 A CN 202210094668A CN 114568061 B CN114568061 B CN 114568061B
- Authority
- CN
- China
- Prior art keywords
- soil
- effective
- reconstruction
- less
- dosage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 41
- 239000002689 soil Substances 0.000 claims abstract description 184
- 239000000463 material Substances 0.000 claims abstract description 55
- 239000002253 acid Substances 0.000 claims abstract description 48
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000011574 phosphorus Substances 0.000 claims abstract description 37
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 37
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000011591 potassium Substances 0.000 claims abstract description 35
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 35
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 33
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910052796 boron Inorganic materials 0.000 claims abstract description 33
- 239000011701 zinc Substances 0.000 claims abstract description 33
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 33
- 235000011684 Sorghum saccharatum Nutrition 0.000 claims abstract description 28
- 240000006394 Sorghum bicolor Species 0.000 claims abstract description 27
- 238000002156 mixing Methods 0.000 claims abstract description 24
- 238000005259 measurement Methods 0.000 claims abstract description 20
- 241000196324 Embryophyta Species 0.000 claims abstract description 14
- 238000005527 soil sampling Methods 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims description 59
- 239000010410 layer Substances 0.000 claims description 54
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 48
- 239000003337 fertilizer Substances 0.000 claims description 32
- 235000019738 Limestone Nutrition 0.000 claims description 29
- 239000010459 dolomite Substances 0.000 claims description 29
- 229910000514 dolomite Inorganic materials 0.000 claims description 29
- 239000006028 limestone Substances 0.000 claims description 29
- 239000001103 potassium chloride Substances 0.000 claims description 24
- 235000011164 potassium chloride Nutrition 0.000 claims description 24
- KMQAPZBMEMMKSS-UHFFFAOYSA-K calcium;magnesium;phosphate Chemical compound [Mg+2].[Ca+2].[O-]P([O-])([O-])=O KMQAPZBMEMMKSS-UHFFFAOYSA-K 0.000 claims description 22
- 229910021538 borax Inorganic materials 0.000 claims description 16
- 239000004328 sodium tetraborate Substances 0.000 claims description 16
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 16
- 238000011282 treatment Methods 0.000 claims description 16
- 229940118149 zinc sulfate monohydrate Drugs 0.000 claims description 16
- RNZCSKGULNFAMC-UHFFFAOYSA-L zinc;hydrogen sulfate;hydroxide Chemical compound O.[Zn+2].[O-]S([O-])(=O)=O RNZCSKGULNFAMC-UHFFFAOYSA-L 0.000 claims description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 11
- 239000004202 carbamide Substances 0.000 claims description 11
- 238000003892 spreading Methods 0.000 claims description 11
- 238000002386 leaching Methods 0.000 claims description 10
- 238000005070 sampling Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- VFLDPWHFBUODDF-FCXRPNKRSA-N curcumin Chemical compound C1=C(O)C(OC)=CC(\C=C\C(=O)CC(=O)\C=C\C=2C=C(OC)C(O)=CC=2)=C1 VFLDPWHFBUODDF-FCXRPNKRSA-N 0.000 claims description 8
- 238000003971 tillage Methods 0.000 claims description 8
- 238000009331 sowing Methods 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 5
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 claims description 4
- 239000005695 Ammonium acetate Substances 0.000 claims description 4
- QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 claims description 4
- 229940043376 ammonium acetate Drugs 0.000 claims description 4
- 235000019257 ammonium acetate Nutrition 0.000 claims description 4
- 238000001479 atomic absorption spectroscopy Methods 0.000 claims description 4
- 229940109262 curcumin Drugs 0.000 claims description 4
- 235000012754 curcumin Nutrition 0.000 claims description 4
- 239000004148 curcumin Substances 0.000 claims description 4
- VFLDPWHFBUODDF-UHFFFAOYSA-N diferuloylmethane Natural products C1=C(O)C(OC)=CC(C=CC(=O)CC(=O)C=CC=2C=C(OC)C(O)=CC=2)=C1 VFLDPWHFBUODDF-UHFFFAOYSA-N 0.000 claims description 4
- 238000005048 flame photometry Methods 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 239000002344 surface layer Substances 0.000 claims description 4
- 238000004448 titration Methods 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 2
- 235000013339 cereals Nutrition 0.000 abstract description 5
- 230000035558 fertility Effects 0.000 abstract description 2
- 241000209072 Sorghum Species 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 27
- 241000209094 Oryza Species 0.000 description 25
- 235000007164 Oryza sativa Nutrition 0.000 description 25
- 235000009566 rice Nutrition 0.000 description 25
- 235000016804 zinc Nutrition 0.000 description 24
- 241000607479 Yersinia pestis Species 0.000 description 4
- 238000003973 irrigation Methods 0.000 description 4
- 230000002262 irrigation Effects 0.000 description 4
- 238000009333 weeding Methods 0.000 description 4
- 238000003306 harvesting Methods 0.000 description 3
- GJHYMFBYQNQSMX-UHFFFAOYSA-J P(=O)([O-])([O-])[O-].[Mg+2].[Ca+2].[Cl-].[K+] Chemical compound P(=O)([O-])([O-])[O-].[Mg+2].[Ca+2].[Cl-].[K+] GJHYMFBYQNQSMX-UHFFFAOYSA-J 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004071 biological effect Effects 0.000 description 2
- 239000002552 dosage form Substances 0.000 description 2
- 230000035784 germination Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/20—Cereals
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/20—Cereals
- A01G22/22—Rice
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B13/00—Fertilisers produced by pyrogenic processes from phosphatic materials
- C05B13/02—Fertilisers produced by pyrogenic processes from phosphatic materials from rock phosphates
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Soil Sciences (AREA)
- Pathology (AREA)
- Botany (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The invention belongs to the technical field of ecological management, and particularly relates to a rapid reconstruction method of a cultivated layer, which comprises the following preparation steps: (1) Soil exchangeable acid, effective potassium, effective phosphorus, effective boron and effective zinc are used as soil indexes to be reconstructed; (2) soil sampling and soil index determination; (3) Selecting materials for reconstructing the plough layer according to the soil index measurement result; (4) determining the respective amounts of the plough layer reconstruction material; (5) applying the reconstituted material and performing field blending operations; (6) Sorghum is planted in high density by taking the sorghum as pioneer plants, and green pressing and returning are carried out in the seedling stage. The process can complete the quick reconstruction of the whole cultivated layer, improve the fertility of the cultivated layer and quickly improve the cultivated land quality and grain productivity.
Description
Technical Field
The invention belongs to the technical field of ecological management, and particularly relates to a rapid reconstruction method of a plough layer.
Background
The cultivation layer is essence of cultivated land, the soil of the cultivation layer is a material foundation for agricultural production, the cultivation layer is a fundamental guarantee of the comprehensive production capacity of grains, the cultivation layer is lost, and the grain production capacity of the cultivated land is permanently lost. The early land paddy field change (early water change for short) is an engineering which is beneficial to the nation and the people, the resource value of the land can be fully excavated, the barren early land is transformed into a high-quality paddy field, the crop yield is improved, and the income of peasants is increased; meanwhile, the paddy field is changed early, so that the dispersed farmland can be concentrated into a large-scale paddy field, farmland cultivation conditions are improved, and cultivation efficiency is improved. The method has great significance for effectively supplementing cultivated land, greatly pushing low-yield land to reform, improving the cultivated land quality, guaranteeing national grain safety, biodiversity and the like. However, the soil stripping time of the cultivated layer is short when large-scale development is carried out in China, the matched construction is still not sound, and the reconstruction speed of the cultivated layer is still to be enhanced. For this reason, it is very necessary to develop a rapid reconstruction method of the cultivated layer.
Disclosure of Invention
The invention aims to solve the technical problems and provides a rapid reconstruction method of a cultivated layer, which can rapidly improve the cultivated land quality.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a rapid reconstruction method of a plough layer comprises the following preparation steps:
(1) Selecting soil indexes reconstructed from a cultivated layer: soil exchangeable acid, effective potassium, effective phosphorus, effective boron and effective zinc are used as soil indexes to be reconstructed;
(2) Soil sampling and soil index determination: collecting a plurality of soil samples in a soil area to be reconstructed according to a random, equivalent and multipoint mixing principle, uniformly mixing all the samples to obtain a mixed sample, and measuring soil exchangeable acid, effective potassium, effective phosphorus, effective boron and effective zinc of the mixed sample;
(3) Selecting materials used for reconstructing a cultivated layer according to a soil index measurement result: limestone powder and dolomite powder are used for soil exchangeable acid reconstruction, calcium magnesium phosphate fertilizer is used for soil effective phosphorus reconstruction, potassium chloride is used for soil exchangeable potassium reconstruction, borax is used for soil effective boron reconstruction, and zinc sulfate monohydrate is used for soil effective zinc reconstruction;
(4) The dosages of various materials of the plough layer reconstruction material are determined as follows: limestone powder 0-800kg/667m 2 The method comprises the steps of carrying out a first treatment on the surface of the Dolomite powder 0-350kg/667m 2 The method comprises the steps of carrying out a first treatment on the surface of the Calcium magnesium phosphate fertilizer 0-300kg/667m 2 The method comprises the steps of carrying out a first treatment on the surface of the Potassium chloride 0-50kg/667m 2 The method comprises the steps of carrying out a first treatment on the surface of the Borax 0-1kg/667m 2 The method comprises the steps of carrying out a first treatment on the surface of the Zinc sulfate monohydrate 0-2kg/667m 2 ；
(5) Application of rebuilding material and field work: mixing all reconstruction materials uniformly, uniformly spreading on the soil surface of land block to be reconstructed, mechanically mixing the reconstruction materials into soil, and then spreading 25-35kg/667m 2 Urea;
(6) Planting pioneer plants: sorghum is planted by taking sorghum as pioneer plant, and the sowing quantity of sorghum seeds is 18-22kg//667m 2 When the sorghum seedling grows to 1.5 months, the sorghum seedling is grownPressing green, spreading 30kg of urea, 50kg of calcium magnesium phosphate fertilizer and 20kg of potassium chloride fertilizer as base fertilizer per mu, then irrigating, and rotary tillage soil into slurry to complete reconstruction of the whole cultivated layer.
In order to obtain more accurate soil index measurement values, in the step (2), the soil sampling and soil index measurement specifically comprises the following steps: collecting soil samples with the surface layer of 0-20 cm along an S-shaped route in a soil area needing to be reconstructed according to the principle of random, equivalent and multipoint mixing, collecting 8-10 g of soil samples at each sampling point, mixing the soil samples at 40 sampling points to obtain a mixed sample, airing the mixed sample, removing sundries such as broken stones and plant residues, grinding, fully mixing after passing through a 2mm mesh screen, and measuring the soil exchangeable acid, the effective potassium, the effective phosphorus, the effective boron and the effective zinc of the mixed sample.
In order to determine the soil index to be rebuilt, the soil exchangeable acid is extracted by KCl with the concentration of 1mol/L, and is determined by a NaOH titration method; leaching the soil effective potassium with 1M ammonium acetate, and measuring by flame photometry; the soil available phosphorus is prepared by an Olsen method; leaching soil effective boron with hot water, and colorimetric determination of curcumin; soil effective zinc was leached with DTPA and measured by atomic absorption spectroscopy.
For rapid restoration of the cultivated layer, preferably, in the step (4) according to the present invention, the soil-exchangeable acid restoration material is used in an amount of:
when the soil exchangeable acid measurement value is more than 15cmol/kg, the limestone powder dosage is 800kg/667m 2 The dolomite powder dosage is 350kg/667m 2 ；
When the measured value of the soil exchangeable acid is less than or equal to 13 and less than or equal to 15cmol/kg, the limestone powder is used at the dosage of 700kg/667m 2 The dolomite powder consumption is 300kg/667m 2 ；
When the measured value of the soil exchangeable acid is smaller than 13cmol/kg and is smaller than 11 +. 2 The dolomite powder dosage is 250kg/667m 2 ；
When the measured value of the soil exchangeable acid is less than or equal to 9 and less than 11cmol/kg, the limestone powder is used in an amount of 500kg/667m 2 White cloudThe stone powder dosage is 200kg/667m 2 ；
When the measured value of the soil exchange acid is less than 9cmol/kg and is more than or equal to 7, the limestone powder is used at the dosage of 400kg/667m 2 The dolomite powder dosage is 150kg/667m 2 ；
When the measured value of the soil exchangeable acid is less than or equal to 5 and less than 7cmol/kg, the limestone powder is used in an amount of 300kg/667m 2 The dolomite powder consumption is 100kg/667m 2 ；
When the measured value of the soil exchange acid is less than or equal to 3 and less than 5cmol/kg, the limestone powder is used at the dosage of 200kg/667m 2 The dolomite powder consumption is 50kg/667m 2 ；
When the measured value of the soil exchange acid is less than or equal to 1 and less than 3cmol/kg, the limestone powder is used at the dosage of 100kg/667m 2 The dolomite powder consumption is 50kg/667m 2 ；
When the soil exchangeable acid measurement value is less than 1cmol/kg, the limestone powder dosage is 0kg/667m 2 The dolomite powder dosage is 0kg/667m 2 。
For rapid reconstruction of the cultivated layer, preferably, in the step (4) of the present invention, the amount of the soil effective potassium reconstruction material used is specifically:
when the measured value of the effective potassium in the soil is more than 80mg/kg, the dosage of the potassium chloride is 0kg/667m 2 ；
When the measured value of the effective potassium in the soil is less than or equal to 40mg/kg and less than or equal to 80mg/kg, the dosage of the potassium chloride is 30kg/667m 2 ；
When the measured value of the effective potassium in the soil is less than 40mg/kg, the dosage of the potassium chloride is 50kg/667m 2 。
For rapid reconstruction of the cultivated layer, preferably, in the step (4) of the present invention, the amount of the soil available phosphorus reconstruction material used is specifically:
when the measured value of the available phosphorus in the soil is more than 15mg/kg, the dosage of the calcium magnesium phosphate fertilizer is 0kg/667m 2 ；
When the measured value of the effective phosphorus in the soil is less than or equal to 10mg/kg and less than or equal to 15mg/kg, the dosage of the calcium magnesium phosphate fertilizer is 100kg/667m 2 ；
When the measured value of the effective phosphorus in the soil is less than or equal to 5mg/kg and less than 10mg/kg, the dosage of the calcium magnesium phosphate fertilizer is200kg/667m 2 ；
When the measured value of the available phosphorus in the soil is less than 5mg/kg, the dosage of the calcium magnesium phosphate fertilizer is 300kg/667m 2 。
For rapid reconstruction of the cultivated layer, preferably, in the step (4) of the present invention, the amount of the soil effective boron reconstruction material used is specifically:
when the effective boron measurement value of the soil is not less than 0.5mg/kg, the borax consumption is 0kg/667m 2 ；
When the measured value of effective boron in soil is less than 0.5mg/kg, the borax dosage is 1kg/667m 2 。
For rapid reconstruction of the cultivated layer, preferably, in the step (4) of the present invention, the amount of the soil effective zinc reconstruction material used is specifically:
when the measured value of the effective zinc in the soil is not less than 1.0mg/kg, the dosage of the zinc sulfate monohydrate is 0kg/667m 2 ；
When the measured value of the effective zinc in the soil is less than 1.0mg/kg, the dosage of the zinc sulfate monohydrate is 2kg/667m 2 。
In order to mix the reconstituted material and urea into the soil, preferably, in step (5) of the present invention, the urea is applied and then rotary tillage is performed 2-3 times with a rotary cultivator.
By adopting the technical scheme, the invention has the beneficial effects that:
1. according to the method, soil indexes of exchangeable acid, effective potassium, effective phosphorus, effective boron and effective zinc are selected, then after the soil indexes of a reconstructed soil area are measured, the cultivated layer is reconstructed according to the use amount of the reconstruction materials corresponding to the soil index values, and the chemical properties and biological properties of the cultivated layer are reconstructed firstly, and then the physical properties and the biological properties of the cultivated layer are reconstructed by planting pioneer plants, so that the fast reconstruction of the cultivated layer is realized, the reconstruction can be performed without researching any way, the reference is provided for the fast reconstruction of the cultivated layer, and the cultivated land quality is improved fast.
2. The cultivation layer reconstructed by the method of the invention greatly improves the soil quality, improves the fertility of the cultivation layer, effectively improves the yield of rice and rapidly improves the grain productivity.
3. The method has the characteristics of accurate soil index selection and suitability for the soil in the south of China, and is simple, convenient and quick by only measuring the soil index selected by the method and referring to the material list of the reconstruction material.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Each scale of plough layer reconstruction material:
table 1 dosage form of soil exchangeable acid reconstruction material
TABLE 2 dosage form of soil effective Potassium, effective phosphorus, effective boron and effective Zinc reconstruction Material
Example 1
A rapid reconstruction method of a plough layer comprises the following preparation steps:
(1) Selecting soil indexes reconstructed from a cultivated layer: soil exchangeable acid, effective potassium, effective phosphorus, effective boron and effective zinc are used as soil indexes to be reconstructed;
(2) Soil sampling and soil index determination: soil areas needing to be reconstructed in a certain drought-improving land of five ponds in Nanning city are along an S-shaped route, according to the principle of random, equivalent and multipoint mixing, soil samples with the surface layer of 0-20 cm are collected, the number of sampling points of each sample is 40, 8-10 g of soil samples are collected at each sampling point, the soil samples with the 40 sampling points are mixed to obtain a mixed sample, the mixed sample is dried, broken stones, plant residues and other impurities are removed, crushed, and fully mixed after passing through a mesh screen with the thickness of 2mm, and soil exchangeable acid, available potassium, available phosphorus, available boron and available zinc of the mixed sample are measured, wherein the soil exchangeable acid is extracted by KCl with the concentration of 1mol/L, and the soil exchangeable acid is measured by a NaOH titration method; leaching the soil effective potassium with 1M ammonium acetate, and measuring by flame photometry; the soil available phosphorus is prepared by an Olsen method; leaching soil effective boron with hot water, and colorimetric determination of curcumin; leaching the soil effective zinc by using DTPA, and measuring by using an atomic absorption spectrometry, wherein the measuring results of the soil exchangeable acid, the effective potassium, the effective phosphorus, the effective boron and the effective zinc are shown in table 1;
(3) Selecting materials used for reconstructing a cultivated layer according to a soil index measurement result: limestone powder and dolomite powder are used for soil exchangeable acid reconstruction, calcium magnesium phosphate fertilizer is used for soil effective phosphorus reconstruction, potassium chloride is used for soil exchangeable potassium reconstruction, borax is used for soil effective boron reconstruction, and zinc sulfate monohydrate is used for soil effective zinc reconstruction;
(4) Determining the various material amounts of the plough layer reconstruction material by referring to the usage table of the reconstruction material: specific amounts of limestone powder, dolomite powder, calcium magnesium phosphate fertilizer, potassium chloride, borax and zinc sulfate monohydrate are shown in Table 2;
(5) Application of reconstituted materials and field mixing operations: mixing all reconstruction materials uniformly, uniformly spreading on the surface of soil to be reconstructed, mechanically mixing the reconstruction materials into the soil, and then spreading 25kg/667m 2 Urea;
(6) Planting pioneer plants: sorghum is planted in a high density by taking sorghum as pioneer plant, and the sowing quantity of sorghum seeds is 18kg//667m 2 Accelerating germination of sorghum seeds, sowing the sorghum seeds on soil after water irrigation or after rain, naturally growing the sorghum seedlings until the sorghum seedlings are 70cm, pressing the sorghum seedlings to green by using a rotary cultivator, then broadcasting 18kg of urea, 52kg of calcium magnesium phosphate fertilizer and 22kg of potassium chloride fertilizer as base fertilizers per mu, then water irrigation, rotary tillage of the whole cultivated layer for 3 times by using the rotary cultivator, and rotary tillage of the soilForming slurry to quickly finish the reconstruction of the whole cultivated layer;
(7) The rice is planted according to the local method, the measures of topdressing, intertillage weeding and pest control during the rice planting are the same as those of the local method, and the rice yield statistics are shown in table 3 when the rice is harvested.
Comparative example 1
Taking the adjacent areas of the reconstructed soil area mentioned in example 1 (the soil exchangeable acid, effective potassium, effective phosphorus, effective boron and effective zinc are measured in the same manner as in example 1, the measurement results are shown in Table 1), but not carrying out reconstruction operation, namely, not containing steps (1) - (6) in example 1, directly planting rice, and carrying out topdressing, intertillage weeding and pest control measures during the rice planting period in the same manner as in example 1, wherein the rice yield statistics are shown in Table 3 when harvesting rice.
Comparative example 2
Unlike example 1, the following is: the determination results of the soil exchangeable acid, the effective potassium, the effective phosphorus, the effective boron and the effective zinc are shown in the table 1, and the determination of each dosage of the cultivated layer reconstruction material is carried out by comparing the dosage table of the reconstruction material in the step (4) and the dosage table is not used according to the invention: specific amounts of limestone powder, dolomite powder, calcium magnesium phosphate fertilizer, potassium chloride, borax and zinc sulfate monohydrate are shown in Table 2. The procedure is as in example 1.
TABLE 1 results of soil index measurements for different treatments
Table 2 individual dosage units for different treatments of the plough layer reconstruction material: kg/667m 2
| Limestone powder | Dolomite powder | Potassium chloride | Calcium magnesium phosphate fertilizer | Borax | Zinc sulfate monohydrate | |
| Example 1 | 500 | 200 | 30 | 200 | 0 | 2 |
| Comparative example 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Comparative example 2 | 800 | 150 | 50 | 300 | 1 | 2 |
TABLE 3 statistical conditions of different Rice yields
| Group of | Example 1 | Comparative example 1 | Comparative example 2 |
| Rice yield/(kg/667 m) 2 ) | 553 | 236 | 374 |
As can be seen from tables 1 to 3, the soil index measurement of the example is similar to that of the comparative example 1 and the comparative example 2, but the comparative example 1 is used for planting paddy without reconstructing the soil, and the yield is far lower than that of the example 1, namely, the yield of the example 1 is increased by 134.32% relative to that of the comparative example 1; in addition, comparative example 2 was not subjected to the rebuilding treatment according to the usage amount table of the rebuilding material of the invention, and the yield increase of rice was low relative to example 1, whereas the yield increase of example was 47.86% relative to comparative example 2, and the yield increase of comparative example 2 was 58.47% relative to comparative example 1, which is much lower than that of example 1. The method can quickly construct the cultivated layer, greatly improve the soil quality and increase the yield of rice.
Example 2
A rapid reconstruction method of a plough layer comprises the following preparation steps:
(1) Selecting soil indexes reconstructed from a cultivated layer: soil exchangeable acid, effective potassium, effective phosphorus, effective boron and effective zinc are used as soil indexes to be reconstructed;
(2) Soil sampling and soil index determination: soil areas needing to be reconstructed in a water land of Jiang state area of Guangxi Chong left city are carried Lu Zhen along an S-shaped route, according to the principle of random, equivalent and multipoint mixing, soil samples with the surface layer of 0-20 cm are collected, the number of sampling points of each sample is 40, 8-10 g of soil samples are collected at each sampling point, the soil samples with the 40 sampling points are mixed to obtain a mixed sample, the mixed sample is dried, broken stone, plant residues and other impurities are removed, crushed, and fully mixed after passing through a 2mm mesh screen, and the soil exchangeable acid, the effective potassium, the effective phosphorus, the effective boron and the effective zinc of the mixed sample are measured, wherein the soil exchangeable acid is extracted by KCl with the concentration of 1mol/L and the soil exchangeable acid is measured by a NaOH titration method; leaching the soil effective potassium with 1M ammonium acetate, and measuring by flame photometry; the soil available phosphorus is prepared by an Olsen method; leaching soil effective boron with hot water, and colorimetric determination of curcumin; leaching the soil effective zinc by using DTPA, and measuring by using an atomic absorption spectrometry, wherein the measuring results of the soil exchangeable acid, the effective potassium, the effective phosphorus, the effective boron and the effective zinc are shown in table 4;
(3) Selecting materials used for reconstructing a cultivated layer according to a soil index measurement result: limestone powder and dolomite powder are used for soil exchangeable acid reconstruction, calcium magnesium phosphate fertilizer is used for soil effective phosphorus reconstruction, potassium chloride is used for soil exchangeable potassium reconstruction, borax is used for soil effective boron reconstruction, and zinc sulfate monohydrate is used for soil effective zinc reconstruction;
(4) Determining the various material amounts of the plough layer reconstruction material by referring to the usage table of the reconstruction material: specific amounts of limestone powder, dolomite powder, calcium magnesium phosphate fertilizer, potassium chloride, borax and zinc sulfate monohydrate are shown in Table 5;
(5) Application of reconstituted materials and field mixing operations: mixing all reconstruction materials uniformly, spreading on the surface of soil to be reconstructed, mechanically mixing the reconstruction materials into the soil, and then spreading 35kg/667m 2 Urea;
(6) Planting pioneer plants: sorghum is planted by taking sorghum as pioneer plant, and the sowing quantity of sorghum seeds is 22kg//667m 2 Accelerating germination of sorghum seeds, sowing the sorghum seeds in soil after water irrigation or after rain, naturally growing the sorghum seeds for 1.5 months until the sorghum seedlings are 80cm high, pressing the sorghum seedlings green by a rotary cultivator, and spreading 22kg of urea per mu,48kg of calcium magnesium phosphate fertilizer and 18kg of potassium chloride fertilizer are used as base fertilizers, then irrigation is carried out, the whole cultivated layer is rotary tillage is carried out for 2 times by using a rotary cultivator, soil is rotary tillage into slurry, and reconstruction of the whole cultivated layer is rapidly completed;
(7) The rice was planted according to the local method, the measures of topdressing, intertillage weeding and pest control during the rice planting period were the same as those of the local method, and the rice yield statistics at the time of harvesting the rice are shown in Table 6.
Comparative example 3
Taking the adjacent areas of the reconstructed soil area mentioned in example 2 (the soil exchangeable acid, effective potassium, effective phosphorus, effective boron and effective zinc measurement method is the same as that of example 2, the measurement results are shown in Table 4), but not carrying out reconstruction operation, namely, not containing steps (1) - (6) in example 2, directly planting rice, applying topdressing, intertillage weeding and pest control measures during the rice planting period are the same as those of example 2, and the rice yield statistics are shown in Table 6 when harvesting rice.
Comparative example 4
Unlike example 2, the following is: the determination results of the soil exchangeable acid, the effective potassium, the effective phosphorus, the effective boron and the effective zinc are shown in the table 4, and the determination of each dosage of the cultivated layer reconstruction material in the step (4) is carried out by comparing the dosage table of the reconstruction material with the dosage table according to the invention: specific amounts of limestone powder, dolomite powder, calcium magnesium phosphate fertilizer, potassium chloride, borax and zinc sulfate monohydrate are shown in Table 5. The procedure is as in example 2.
TABLE 4 soil index measurement results for different treatments
Table 5 individual dosage units for different treatment of the plough layer reconstruction material: kg/667m 2
| Limestone powder | Dolomite powder | Potassium chloride | Calcium magnesium phosphate fertilizer | Borax | Zinc sulfate monohydrate | |
| Example 2 | 700 | 300 | 30 | 200 | 1 | 0 |
| Comparative example 3 | 0 | 0 | 0 | 0 | 0 | 0 |
| Comparative example 4 | 600 | 800 | 50 | 150 | 1 | 0 |
TABLE 6 statistical Condition of different Rice yields
| Group of | Example 1 | Comparative example 3 | Comparative example 4 |
| Rice yield/(kg/667 m) 2 ) | 625 | 297 | 406 |
As can be seen from tables 4 to 6, the soil index measurements of the examples and comparative examples 3 and 4 are similar, but comparative example 3 was used for planting paddy without rebuilding the soil, and the yield was much lower than that of example 2, namely, the yield of example 2 was increased by 110.44% relative to that of comparative example 3; in addition, comparative example 4, which was not subjected to the rebuilding treatment according to the usage amount table of the rebuilding material of the invention, had a small yield increase of rice relative to example 2, whereas example 2 increased 53.94% relative to comparative example 3, and comparative example 4 increased 36.70% relative to comparative example 3, which is much lower than that of example 2. The method can quickly construct the cultivated layer, greatly improve the soil quality and increase the yield of rice.
The foregoing description is directed to the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the invention, and all equivalent changes or modifications made under the technical spirit of the present invention should be construed to fall within the scope of the present invention.
Claims (4)
1. The rapid reconstruction method of the plough layer is characterized by comprising the following preparation steps:
(1) Selecting soil indexes reconstructed from a cultivated layer: soil exchangeable acid, effective potassium, effective phosphorus, effective boron and effective zinc are used as soil indexes to be reconstructed;
(2) Soil sampling and soil index determination: collecting a plurality of soil samples in a soil area to be reconstructed according to a random, equivalent and multipoint mixing principle, uniformly mixing all the samples to obtain a mixed sample, and measuring soil exchangeable acid, effective potassium, effective phosphorus, effective boron and effective zinc of the mixed sample;
(3) Selecting materials used for reconstructing a cultivated layer according to a soil index measurement result: limestone powder and dolomite powder are used for soil exchangeable acid reconstruction, calcium magnesium phosphate fertilizer is used for soil effective phosphorus reconstruction, potassium chloride is used for soil exchangeable potassium reconstruction, borax is used for soil effective boron reconstruction, and zinc sulfate monohydrate is used for soil effective zinc reconstruction;
(4) The dosages of various materials of the plough layer reconstruction material are determined as follows: limestone powder 0-800kg/667m 2 The method comprises the steps of carrying out a first treatment on the surface of the Dolomite powder 0-350kg/667m 2 The method comprises the steps of carrying out a first treatment on the surface of the Calcium magnesium phosphate fertilizer 0-300kg/667m 2 The method comprises the steps of carrying out a first treatment on the surface of the Potassium chloride 0-50kg/667m 2 The method comprises the steps of carrying out a first treatment on the surface of the Borax 0-1kg/667m 2 The method comprises the steps of carrying out a first treatment on the surface of the Zinc sulfate monohydrate 0-2kg/667m 2 ；
(5) Application of reconstituted materials and field mixing operations: mixing all reconstruction materials uniformly, spreading on the surface of soil to be reconstructed, mechanically mixing the reconstruction materials into soil, and spreading 25-35kg/667m 2 Urea;
(6) Planting pioneer plants: sorghum is planted by taking sorghum as pioneer plant, and the sowing quantity of sorghum seeds is 18-22kg//667m 2 When the sorghum seedlings grow to 70-80cm, pressing the sorghum seedlings to green, spreading 18-22kg of urea, 48-52kg of calcium magnesium phosphate fertilizer and 18-22kg of potassium chloride fertilizer as base fertilizer for each mu, then watering, and rotary tillage soil into slurry to finish the reconstruction of the whole cultivated layer;
in the step (4), the use amount of the soil-exchangeable acid reconstruction material is specifically as follows:
when the soil exchangeable acid measurement value is more than 15cmol/kg, the limestone powder dosage is 800kg/667m 2 The dolomite powder dosage is 350kg/667m 2 ；
When 13cmol/kg is less than or equal to 15cmol/kg, the limestone powder is 700kg/667m 2 The dolomite powder consumption is 300kg/667m 2 ；
When the measured value of the acid exchange of the soil is less than or equal to 11cmol/kg and is less than 13cmol/kg, the limestone powder is 600kg/667m 2 The dolomite powder dosage is 250kg/667m 2 ；
When the measured value of the acid exchange of the soil is less than or equal to 9cmol/kg and is less than 11cmol/kg, the limestone powder is used at the dosage of 500kg/667m 2 The dolomite powder consumption is 200kg/667m 2 ；
When the measured value of acid exchange of 7cmol/kg is less than or equal to 9cmol/kg, the limestone powder is 400kg/667m 2 The dolomite powder dosage is 150kg/667m 2 ；
When the measured value of 5cmol/kg is less than or equal to 7cmol/kg of soil exchange acid, the limestone powder is used in an amount of 300kg/667m 2 The dolomite powder consumption is 100kg/667m 2 ；
When the measured value of the soil exchange acid is less than or equal to 3cmol/kg and less than 5cmol/kg, the limestone powder is used at the dosage of 200kg/667m 2 The dolomite powder consumption is 50kg/667m 2 ；
When the measured value of the soil exchange acid is less than or equal to 1cmol/kg and less than 3cmol/kg, the limestone powder is used at the dosage of 100kg/667m 2 The dolomite powder consumption is 50kg/667m 2 ；
When the soil exchangeable acid measurement value is less than 1cmol/kg, the limestone powder dosage is 0kg/667m 2 The dolomite powder dosage is 0kg/667m 2 ；
In the step (4), the using amount of the soil effective potassium reconstruction material is specifically as follows:
when the measured value of the effective potassium in the soil is more than 80mg/kg, the dosage of the potassium chloride is 0kg/667m 2 ；
When the measured value of the effective potassium in the soil is less than or equal to 40mg/kg and less than or equal to 80mg/kg, the dosage of the potassium chloride is 30kg/667m 2 ；
When the soil isWhen the effective potassium measurement value is less than 40mg/kg, the potassium chloride dosage is 50kg/667m 2 ；
In the step (4), the use amount of the soil available phosphorus reconstruction material is specifically as follows:
when the measured value of the available phosphorus in the soil is more than 15mg/kg, the dosage of the calcium magnesium phosphate fertilizer is 0kg/667m 2
When the measured value of the effective phosphorus in the soil is less than or equal to 10mg/kg and less than or equal to 15mg/kg, the dosage of the calcium magnesium phosphate fertilizer is 100kg/667m 2 ；
When the measured value of the effective phosphorus in the soil is less than or equal to 5mg/kg and less than 10mg/kg, the dosage of the calcium magnesium phosphate fertilizer is 200kg/667m 2 ；
When the measured value of the available phosphorus in the soil is less than 5mg/kg, the dosage of the calcium magnesium phosphate fertilizer is 300kg/667m 2 ；
In the step (4), the using amount of the soil effective boron reconstruction material is specifically as follows:
when the effective boron measurement value of the soil is not less than 0.5mg/kg, the borax consumption is 0kg/667m 2
When the measured value of effective boron in soil is less than 0.5mg/kg, the borax dosage is 1kg/667m 2 ；
In the step (4), the use amount of the soil effective zinc reconstruction material is specifically as follows:
when the measured value of the effective zinc in the soil is not less than 1.0mg/kg, the dosage of the zinc sulfate monohydrate is 0kg/667m 2 ；
When the measured value of the effective zinc in the soil is less than 1.0mg/kg, the dosage of the zinc sulfate monohydrate is 2kg/667m 2 。
2. A method for rapid reconstruction of a plough layer according to claim 1, characterized in that: in the step (2), the concrete steps of soil sampling and soil index determination are as follows: collecting soil samples with the surface layer of 0-20 cm along an S-shaped route in a soil area needing to be reconstructed according to the principle of random, equivalent and multipoint mixing, collecting 8-10 g of soil samples at each sampling point, mixing the soil samples at 40 sampling points to obtain a mixed sample, airing the mixed sample, removing sundries such as broken stones and plant residues, grinding, fully mixing after passing through a 2mm mesh screen, and measuring the soil exchangeable acid, the effective potassium, the effective phosphorus, the effective boron and the effective zinc of the mixed sample.
3. A method for rapid reconstruction of a plough layer according to claim 2, characterized in that: the soil exchangeable acid is leached by KCl with the concentration of 1mol/L, and is determined by a NaOH titration method; leaching the soil effective potassium with 1M ammonium acetate, and measuring by flame photometry; the soil available phosphorus is prepared by an Olsen method; leaching soil effective boron with hot water, and colorimetric determination of curcumin; soil effective zinc was leached with DTPA and measured by atomic absorption spectroscopy.
4. A method for rapid reconstruction of a plough layer according to claim 1, characterized in that: in the step (5), after urea is spread, rotary tillage is carried out for 2-3 times by using a rotary cultivator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210094668.1A CN114568061B (en) | 2022-01-26 | 2022-01-26 | Rapid reconstruction method of plough layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210094668.1A CN114568061B (en) | 2022-01-26 | 2022-01-26 | Rapid reconstruction method of plough layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114568061A CN114568061A (en) | 2022-06-03 |
| CN114568061B true CN114568061B (en) | 2023-10-31 |
Family
ID=81771797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210094668.1A Active CN114568061B (en) | 2022-01-26 | 2022-01-26 | Rapid reconstruction method of plough layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114568061B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103858552A (en) * | 2013-09-09 | 2014-06-18 | 轻工业环境保护研究所 | Method for constructing soil of plough layer on coarse sand earth surface by heavy metal polluted sediment |
| CN104472047A (en) * | 2014-11-28 | 2015-04-01 | 广西壮族自治区农业科学院农业资源与环境研究所 | Soil improving method for vineyard in red soil region |
| CN108299114A (en) * | 2018-05-04 | 2018-07-20 | 国土资源部土地整治中心 | New regulation arable land farming layer building material of main part, arable layer construction method and application |
| CN111423890A (en) * | 2020-05-06 | 2020-07-17 | 华荟生态科技有限公司 | Newly-reclaimed soil high-quality plough layer engineering rapid construction material and application method thereof |
-
2022
- 2022-01-26 CN CN202210094668.1A patent/CN114568061B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103858552A (en) * | 2013-09-09 | 2014-06-18 | 轻工业环境保护研究所 | Method for constructing soil of plough layer on coarse sand earth surface by heavy metal polluted sediment |
| CN104472047A (en) * | 2014-11-28 | 2015-04-01 | 广西壮族自治区农业科学院农业资源与环境研究所 | Soil improving method for vineyard in red soil region |
| CN108299114A (en) * | 2018-05-04 | 2018-07-20 | 国土资源部土地整治中心 | New regulation arable land farming layer building material of main part, arable layer construction method and application |
| CN111423890A (en) * | 2020-05-06 | 2020-07-17 | 华荟生态科技有限公司 | Newly-reclaimed soil high-quality plough layer engineering rapid construction material and application method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114568061A (en) | 2022-06-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wu et al. | Suitable fertilizer application depth can increase nitrogen use efficiency and maize yield by reducing gaseous nitrogen losses | |
| CN102424638A (en) | Charcoal-base rapid curing agent for soil and production method thereof | |
| CN104108973B (en) | Fructus Capsici formula fertilizer special and application process thereof | |
| CN109504396A (en) | A kind of saline-alkali land soil conditioner and preparation method thereof | |
| Yang et al. | Rice productivity and profitability with slow-release urea containing organic-inorganic matrix materials | |
| CN108586132A (en) | A kind of processing method of mining collapse area Reclaimed Soil fertilizing improvement | |
| CN114568061B (en) | Rapid reconstruction method of plough layer | |
| CN108207161B (en) | Tobacco field in-situ soil loosening, nutrient promoting and synergistic cultivation method | |
| CN105036902A (en) | Biocarbon sustain-released potassium fertilizer and preparation method thereof | |
| CN101774857A (en) | Chili special-purpose fertilizer and preparation method thereof | |
| Yachi et al. | Reflection of the development of cultivation techniques on the growth and development of durum wheat (Triticum durum) in Algeria | |
| Li et al. | Effects of mixed controlled release and normal urea on maize (Zea mays L) growth, grain yield and nitrogen balance and use efficiency in northeast China. | |
| CN106577073A (en) | Technical method for comprehensively planting rice by improving acidized soil | |
| CN106385916A (en) | Potato special-purposed composite fertilizer application method | |
| CN106385918A (en) | Crop potassium fertilizer application method | |
| CN106385914A (en) | Crop special-purposed composite fertilizer application method | |
| CN105037049A (en) | Formulated fertilizer special for atractylodes macrocephala koidz and preparation and application thereof | |
| CN112544158B (en) | Method for rapidly and stably increasing content of soil-growing organic matter in newly reclaimed paddy field in south | |
| CN109548601A (en) | L-type rice controlled release special fertilizer and its application in rice cropping | |
| Yin et al. | Higher ability to absorb indigenous soil nitrogen is related to larger fine-root system in a hybrid compared with an inbred rice cultivar | |
| CN108863495A (en) | Shajiang black meadow soil area glutinous corn formulation fertilizer and use technology | |
| CN108794281A (en) | Disposable deep placement complex fertilizer of late rice and preparation method thereof | |
| CN104211531B (en) | Environmental protection nutritive type modifying agent for red soil low yield Semen Sesami ground | |
| CN106883004A (en) | Wheat ecology special fertilizer and its application process | |
| CN113528147B (en) | Callback agent for depth of development of aluminized soil, preparation method of callback agent and callback method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |