CN107439191A - Corn cotton sorghum inter-cropping high-efficiency planting pattern in severe chlorate sand salt-soda soil in the Huanghe delta - Google Patents
Corn cotton sorghum inter-cropping high-efficiency planting pattern in severe chlorate sand salt-soda soil in the Huanghe delta Download PDFInfo
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- CN107439191A CN107439191A CN201710723885.1A CN201710723885A CN107439191A CN 107439191 A CN107439191 A CN 107439191A CN 201710723885 A CN201710723885 A CN 201710723885A CN 107439191 A CN107439191 A CN 107439191A
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- 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
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- 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
Abstract
The present invention relates to corn cotton sorghum inter-cropping high-efficiency planting pattern in severe chlorate sand salt-soda soil in a kind of Huanghe delta, the cotton sorghum intercropping mode in severe chlorate sand salt-soda soil in a kind of suitable Huanghe delta of " windproof salt reduction, with foster combination, whole light letter " of major design.When sowing in spring, 6~8 row corns are planted on the north in plot, are made using between salt tolerance strong cotton and sorghum, plant cotton, sorghum ridge number meet the harvest condition of cotton picker or broom corn picker.After big hydraulic pressure alkali, the fireballing feature of overlay film corn growth is made full use of, corn is established on the north in plot and is kept out the wind band；The film-covering planting sorghum variety similar with cotton plant height, the slow wind band of sorghum is established according to perpendicular to the direction of wind in field, crop canopies moisture evaporation is reduced, reduces early spring water consumpation and dissipate, promotes cotton morning seedling, early final singling, early budding, precocity bell.
Description
Technical field
The invention belongs to agricultural technology field, is related to severe chlorate sand salt-soda soil corn cotton in a kind of Huanghe delta
Flower sorghum inter-cropping high-efficiency planting pattern.
Technical background
Land resource wretched insufficiency, land quality is poor in addition, governs the development of China's agricultural always.With science and technology
Development, as the land resource of preciousness, the utilization in salt-soda soil also more paid attention to, and there is about 35,000,000 hectares saline and alkaline in China
Ground, wherein 80% salt-soda soil is not yet developed.The plantation for improving salt-soda soil for crops is effectively to utilize salt-soda soil
Optimal path, it has huge economic value and the value of environmental protection.
2013, the Department of Science and Technology, Chinese Academy of Sciences's joint Ji, Shandong, the Liao Dynasty, Tianjin started " Bohai Sea silo science and technology demonstration project ", it is intended to
For Circum-Bohai Sea Lowland plain soil allow barren saline and alkaline, scarcity of fresh water resources the problems such as, it is saline and alkaline using technological meanses renovation and utilization
Wasteland, lift middle-and-low-yielding fields production capacity." Bohai Sea silo " science and technology demonstration project Shandong Project Areas relates generally to Dongying, Binzhou, Dezhou
Three cities are ten thousand hectares about more than 20, wherein be greatly middle severe chlorate sand salt-soda soil of the salt content more than 0.3%,
The characteristics of region maximum is that spring wind is big, and monthly average wind speed reaches in the April year after year is up to 3.5m/s, and the tired date is most
There is number of days and is for up to 24.6 days in big wind speed >=5.0m/s, and April annual average monthly total precipitation is 24.9mm, year after year monthly average
Temperature is only 14.2 DEG C, and local climatic factor throughout the year causes big spring wind, little precipitation, temperature low, Na+、K+Ion concentration is high, prevents
Net of protecting a forest is difficult to survive, and sand moisture loss is fast, and few and not in time due to drawing Huang quota of pouring water in recent years, therefore, middle heavy
In degree chlorate sand salt-soda soil often because moisture dissipate it is fast cause fast, crop seedling difficulty of the soil accumulation of salt in the surface soil etc. after big hydraulic pressure alkali to be asked
Topic.
At present, wheat, corn, rice, sugar grass, cotton, watermelon, sunflower, flower have been carried out in Delta Region of The Yellow River
The average per unit area yield of the large-scale planting of the crops such as life, oat, clover, wherein wheat large area is up to 150~440kg/666.7m2, it is beautiful
The average per unit area yield of rice large area reaches 315-500kg/666.7m2, the average per unit area yield of rice large area reaches 300kg/666.7m2, but climate
Condition influences big, and difference is big between year border.Correlation test research is concentrated mainly on monocrop plantation or the crop rotation of wheat and corn anniversary,
The sustainable development that the reasonably combined and soil of different crops cropping pattern is combined with supporting is not accounted for.
The content of the invention
It is an object of the invention to the defects of cropping pattern existing for middle severe chlorate sand salt-soda soil and deficiency, carry
Go out between a kind of middle severe chlorate sand alkaline land cotton sorghum and made crop rotation high-efficient planting patterns.
To achieve the above object, technical solution of the present invention is as follows：
Severe chlorate sand salt-soda soil corn cotton sorghum inter-cropping high-efficiency planting pattern, step bag in a kind of Huanghe delta
Include：
1）Plot selects：The severe chlorate sand salt-soda soil in the Huanghe delta, sand is selected to glue alternate, Land leveling, soil layer
In 40~50cm plot, and irrigate, drain flooded fields conveniently；
2）Broadcast preceding preparation：At the beginning of 3 months, prior to seeding, more than soil 30cm is deep ploughed, and 2000~3000kg/ of farm manure is applied before ploughing
666.7m2, pressure alkali of pouring water is until plot can enter mechanical rotary tillage；
3）Seed preparation：Cotton selects enduring alkali variety, and seed selects selected coating breeding；Sorghum from plant height 1.5 ±
0.1m dwarfing sorghum variety；Corn partly hangs down loosely the stronger corn of type salt tolerance from seedling growth speed is fast, biomass is big
Kind；
4）Proper seeding：Mid or late April, after big hydraulic pressure alkali, when soil moisture content is adapted to the machinery to enter operation, corn, cotton, sorghum
The East and West direction sowing simultaneously of three kinds of crops；
5）Cropping pattern：A corn is set to keep out the wind band on plot north first, East and West direction plants 6~8 row corns, then by north
It is southwards 8 according to cotton and sorghum row ratio:Make between 4 patterns；
6）Field management：After planting, field management is carried out according to growing state to corn, cotton, sorghum；
7）Suitable period harvest：Corn is disposably harvested in by the end of September using maize harvesting machine, and cotton uses cotton picker one mid-October
Secondary property machine is received, and sorghum is disposably harvested mid-October using type wheat harvester；
8）Stalk sprays nitrogen returning to the field：Cotton stalk, maize straw, broomcorn straw after harvest are uniformly sprinkling upon field after mechanical crushing
Between, after being watered 40kg dissolvings by 5kg urea, stalk surface is uniformly sprayed on, is mixed thoroughly with rotary cultivator rotary tillage with soil, makes stalk fast
Speed is decomposed.
Further, step 1）In, in the Huanghe delta severe chlorate sand salt-soda soil, its crop root layer soil
Earth salt alkali content is more than 0.3%.
Further, step 3）In, cotton grinds No. 37 from Shandong cotton, and sorghum is raised from Ji fine strain of millet No. 1, corn is downgraded from grain
Dual-purpose type Shandong single 9066.
Further, step 4）In, during sowing, it is preferred to use fertilising, sowing, spray herbicide, overlay film, firming all-in-one one
Secondary property is completed；Described fertilising preferably uses NPK15-15-15 composite fertilizers, the kg/666.7m of dosage 30~402；Described broadcasts
Kind, according to the seed pan specification of the different adjustment seeders of crop；Described overlay film, preferably thickness are 0.004mm；Described weeding
Agent is preferably Acetochlor.
Further, step 5）In, Row spacing of maize 50cm, spacing in the rows 15cm；Cotton line-spacing 76cm, 20~25cm of spacing in the rows；It is high
Fine strain of millet line-spacing 50cm, spacing in the rows 20cm.
Further, step 5）In, set a corn to keep out the wind band according to every 50 mu of soils, preferably plant 6 row corns.
Further, step 6）In, cotton field management, method for optimizing is：
（1）Prophase management：Cotton break ground eardrum when, timely rupture of membranes, prevent in film that herbicide steam is burnt cotton seedling；
（2）Middle term management：
A chemistry controls are prosperous：After cotton buddings one week, start to spray the wettable powder of Prohexadione calcium 5%, dosage is 1.0~1.5g/
666.7m2Aqueous solution 30kg, then sprayed once every 7 days, even spray 3 times, the chance rainy day need to fill spray；
B prevents and treats Pest organism：
Spray 30% hymexazol and be watered 3000 times of liquid preventing and treating cotton verticillium wilts, droops, 30% imidacloprid wettable powder by every 10ml
3000 times of liquid spraying prevention and control of aphides of agent, 20% trichlorine except mite alcohol, 1500 times of liquid preventing and treating cotton spider mites are sprayed, spray 2.5% efficient chlorine fluorine
2000 times of liquid preventing and treating fleahopper silk worms of Cyano chrysanthemate, spray 1% 2000 times of liquid preventing and treating bollworms of emamectin benzoate microemulsion；
（3）Final-period management：Every mu sprays 0.2% potassium dihydrogen phosphate aqueous solution 50kg；Every 100~the 150g of 40% ethephon (CEPHA),2-(chloroethyl) phosphonic acid is watered
50kg, then 40~60ml of Thidiazuron with 40% mix, spray promote cotton fallen leaves and cotton boll blow-of-cottons.
Further, it is described（2）Middle term management：It is prosperous that topping multiple chemical control is combined according to actual conditions.
Severe chlorate sand salt-soda soil corn cotton sorghum inter-cropping high-efficiency planting mould in a kind of Huanghe delta of the present invention
Formula, severe chlorate sand in a kind of suitable Huanghe delta of " windproof salt reduction, with foster combination, whole light letter " of major design
The cotton sorghum intercropping mode in salt-soda soil.When sowing in spring, 6~8 row corns are planted on the north in plot（Simulate windbreak
Net, bandwidth is not counted in, sets a corn to keep out the wind band according to every 50 mu of soils）, make using between salt tolerance strong cotton and sorghum,
Plant cotton, sorghum ridge number meet the harvest condition of cotton picker or broom corn picker.After big hydraulic pressure alkali, make full use of overlay film beautiful
The characteristics of rice speed of growth is fast, corn is established on the north in plot and is kept out the wind band；The film-covering planting sorghum product similar with cotton plant height
Kind, the slow wind band of sorghum is established according to perpendicular to the direction of wind in field, crop canopies moisture evaporation is reduced, reduces early spring field water
Divide and dissipate, promote cotton morning seedling, early final singling, early budding, precocity bell.
The key of middle severe chlorate sand salt-soda soil plant growth is to reduce seedling stage rhizosphere soil moisture to dissipate, and is kept
The key of seedling stage rhizosphere soil moisture is to reduce wind speed.Therefore, one aspect of the present invention, when sowing in spring in field crops rhizosphere
Soil surface all covers mulch film, on the other hand, using the speed of growth, highly different crop interplanting, sets plot north high
Stalk crop plants corn keeps out the wind band and delays wind band with the field sorghum of the high crop such as cotton, significantly stabilizes field microclimate, passes through the spring
The characteristics of plant growth is fast simulates windproof forest network and kept out the wind for cotton seedling, promotes cotton seedling morning final singling, seedling；By setting
Put and delay wind band with the contour sorghum of cotton, sorghum does not cause to shade to cotton, and dwarfing sorghum plant is thick, biomass is big, close
Degree is big, and the population density higher than cotton is formd in field, slows down the wind speed of field crops canopy.
Technical solution of the present invention, relative to prior art, its advantage is：
（1）Start with from agronomy and cropping pattern, pass through the growth speed difference making to be formed between overlay film and Different Crop, plant height
Difference and population density difference are evapotranspired to reduce water consumpation, ensure cotton morning final singling.
（2）Nitrogen returning to the field is sprayed by using stalk, supplements the soil organism, improves the soil texture and structure, realizes land used
It is combined with increasing soil fertility, ensure that year stable sustainable development with soil of border Yield advantage.
Brief description of the drawings
Fig. 1 plants schematic diagram between the corn cotton sorghum stripping field of embodiment 1.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with embodiment
The present invention is described in further detail.Embodiment described herein only to explain the present invention, is not used to
Limit the present invention.
Embodiment 1
2016, it is high middle severe chlorate sand salt-soda soil has been carried out in Chun Xi cooperative societies of Dongying City Lijin County Yan Wo towns Wang Wa villages
Imitate cropping pattern experiment.This experimental field belongs to temperate zone semi-moist monsoon climate, makes a clear distinction between the four seasons, and illumination is sufficient, rain heat same season, throughout the year flat
Equal 13.5 DEG C of temperature, long-term 486.5 millimeters of average rainfall.Soil between light loam and clay, soil thickness 40~
50cm, in heavy salinizedly, saline and alkaline up to 0.35%, content of organic matter 5.52g/kg, pH value 8.70.
Experiment plot is randomly divided into three groups, one group：Corn cotton sorghum intercropping mode, i.e., using the inventive method, specifically
Step is as follows；Two groups：Cotton nonoculture, planted using the applicable conventional method in locality；Three groups：Sorghum nonoculture, it is applicable using locality
Conventional method plantation；Each group plantation the results are shown in Table 1.
Corn cotton sorghum intercropping mode（One group）, step is：
1）Broadcast preceding preparation：At the beginning of 3 months, prior to seeding, more than soil 30cm is deep ploughed, and farm manure 3000kg/666.7m is applied before ploughing2, fill
The big hydraulic pressure alkali of Huanghe water is irrigate until plot can enter mechanical rotary tillage；
2）Seed preparation：Cotton grinds No. 37 from the Shandong cotton of Shandong Cotton Research Center's seed selection, and seed selects selected coating breeding；
Dwarfing Ji fine strain of millet No. 1 of the sorghum from Crop Inst. of shandong Prov. Agriculture science Academy's seed selection；Corn selects Shandong Academy of Agricultural Sciences
The stronger Foodstuff maize Shandong of the salt tolerance of corn research institute seed selection single 9066；
3）Proper seeding：Late April（April 25）, after big hydraulic pressure alkali, when soil moisture content is adapted to the machinery to enter operation, corn, cotton
The East and West direction sowing simultaneously of three kinds of flower, sorghum crops；Three kinds of crops are using fertilising（NPK15-15-15 composite fertilizers, dosage 35kg/
666.7m2）, sowing（According to the seed pan specification of the different adjustment seeders of crop）, spray herbicide（Acetochlor）, overlay film（Thickness
For 0.004mm）, firming all-in-one disposably completes；
4）Cropping pattern：A corn is set to keep out the wind band in the every 50 mu of soils in plot north first, East and West direction plants 6 row corns,
Then it is 8 according to cotton and sorghum row ratio by north orientation south:Make between 4 patterns；Row spacing of maize 50cm, spacing in the rows 15cm；Cotton line-spacing
76cm, 20~25cm of spacing in the rows；Sorghum line-spacing 50cm, spacing in the rows 20cm；The density of corn is 6500 plants/666.7m2, the density of cotton
For 3800 plants/666.7m2, sorghum density is 8200 plants/666.7m2；
5）Field management：After planting, field management is carried out according to growing state to corn, cotton, sorghum；Wherein, cotton field
Management, method are：
（1）Prophase management：Cotton break ground eardrum when, timely rupture of membranes, prevent in film that herbicide steam is burnt cotton seedling；
（2）Middle term management：
A chemistry controls are prosperous：After cotton buddings one week, start to spray the wettable powder of Prohexadione calcium 5%, dosage is 1.0~1.5g/
666.7m2Aqueous solution 30kg, then sprayed once every 7 days, even spray 3 times, the chance rainy day need to fill spray；Combined and beaten according to actual conditions
It is prosperous to push up multiple chemical control；
B prevents and treats Pest organism：
Spray 30% hymexazol and be watered 3000 times of liquid preventing and treating cotton verticillium wilts, droops, 30% imidacloprid wettable powder by every 10ml
3000 times of liquid spraying prevention and control of aphides of agent, 20% trichlorine except mite alcohol, 1500 times of liquid preventing and treating cotton spider mites are sprayed, spray 2.5% efficient chlorine fluorine
2000 times of liquid preventing and treating fleahopper silk worms of Cyano chrysanthemate, spray 1% 2000 times of liquid preventing and treating bollworms of emamectin benzoate microemulsion；
（3）Final-period management：Every mu sprays 0.2% potassium dihydrogen phosphate aqueous solution 50kg；40% ethephon (CEPHA),2-(chloroethyl) phosphonic acid is watered 50kg per 125g, then
Thidiazuron 50ml with 40% is mixed, and is sprayed and is promoted cotton fallen leaves and cotton boll blow-of-cottons；
7）Suitable period harvest：Corn is disposably harvested in by the end of September using maize harvesting machine, and cotton uses cotton picker one mid-October
Secondary property machine is received, and sorghum is disposably harvested mid-October using type wheat harvester；
8）Stalk sprays nitrogen returning to the field：Cotton stalk, maize straw, broomcorn straw after harvest are uniformly sprinkling upon field after mechanical crushing
Between, after being watered 40kg dissolvings by 5kg urea, stalk surface is uniformly sprayed on, is mixed thoroughly with rotary cultivator rotary tillage with soil, makes stalk fast
Speed is decomposed.
The sorghum and cotton of the corn and Chinese sorghum cotton intercropping mode of table 1 and cotton nonoculture, the yield of sorghum nonoculture and benefit ratio
Compared with
As shown in table 1, in making between corn cotton sorghum, because highdensity sorghum is primarily used to set field to delay wind band, because
This sorghum mu spike number is higher, but grain number per spike and mass of 1000 kernel are remarkably decreased 12.9% and 19.4% compared with nonoculture sorghum.Intercropping cotton is put down
Equal bell weight and ginning outturn are more little than the difference of single cropping of cotton.Although the cultivated area of intercropping cotton is few on unit soil, two kinds of works
Make summer mu income between thing and reach 811.1 yuan, 22.1% and 14.0% are increased income compared with cotton nonoculture and sorghum nonoculture, cotton is single under the pattern
The main reason for strain knot bell number increase is intercropping cotton volume increase.
Claims (8)
1. severe chlorate sand salt-soda soil corn cotton sorghum inter-cropping high-efficiency planting pattern, its feature in a kind of Huanghe delta
It is, step includes：
1）Plot selects：The severe chlorate sand salt-soda soil in the Huanghe delta, sand is selected to glue alternate, Land leveling, soil layer
In 40~50cm plot, and irrigate, drain flooded fields conveniently；
2）Broadcast preceding preparation：At the beginning of 3 months, prior to seeding, more than soil 30cm is deep ploughed, and 2000~3000kg/ of farm manure is applied before ploughing
666.7m2, pressure alkali of pouring water is until plot can enter mechanical rotary tillage；
3）Seed preparation：Cotton selects enduring alkali variety, and seed selects selected coating breeding；Sorghum from plant height 1.5 ±
0.1m dwarfing sorghum variety；Corn partly hangs down loosely the stronger corn of type salt tolerance from seedling growth speed is fast, biomass is big
Kind；
4）Proper seeding：Mid or late April, after big hydraulic pressure alkali, when soil moisture content is adapted to the machinery to enter operation, corn, cotton, sorghum
The East and West direction sowing simultaneously of three kinds of crops；
5）Cropping pattern：A corn is set to keep out the wind band on plot north first, East and West direction plants 6~8 row corns, then by north
It is southwards 8 according to cotton and sorghum row ratio:Make between 4 patterns；
6）Field management：After planting, field management is carried out according to growing state to corn, cotton, sorghum；
7）Suitable period harvest：Corn is disposably harvested in by the end of September using maize harvesting machine, and cotton uses cotton picker one mid-October
Secondary property machine is received, and sorghum is disposably harvested mid-October using type wheat harvester；
8）Stalk sprays nitrogen returning to the field：Cotton stalk, maize straw, broomcorn straw after harvest are uniformly sprinkling upon field after mechanical crushing
Between, after being watered 40kg dissolvings by 5kg urea, stalk surface is uniformly sprayed on, is mixed thoroughly with rotary cultivator rotary tillage with soil, makes stalk fast
Speed is decomposed.
2. cropping pattern according to claim 1, it is characterised in that：Step 1）In, severe chlorine in the Huanghe delta
Salt dissolving sand salt-soda soil, its crop root layer soil salt and alkali content is more than 0.3%.
3. cropping pattern according to claim 1, it is characterised in that：Step 3）In, cotton grinds No. 37 from Shandong cotton, sorghum
From fine strain of millet No. 1 of helping is downgraded, corn is from Grain feed Shandong single 9066.
4. cropping pattern according to claim 1, it is characterised in that：Step 4）In, during sowing, using fertilising, sowing, spray
Herbicide, overlay film, firming all-in-one are disposably completed；Described fertilising uses NPK15-15-15 composite fertilizers, dosage 30~40
kg/666.7m2；Described sowing, according to the seed pan specification of the different adjustment seeders of crop；Described overlay film, thickness are
0.004mm；Described herbicide is Acetochlor.
5. cropping pattern according to claim 1, it is characterised in that：Step 5）In, Row spacing of maize 50cm, spacing in the rows 15cm；
Cotton line-spacing 76cm, 20~25cm of spacing in the rows；Sorghum line-spacing 50cm, spacing in the rows 20cm.
6. cropping pattern according to claim 1, it is characterised in that：Step 5）In, set one according to every 50 mu of soils
Corn keeps out the wind band, plants 6 row corns.
7. cropping pattern according to claim 1, it is characterised in that：Step 6）In, cotton field management, method is：
（1）Prophase management：Cotton break ground eardrum when, timely rupture of membranes, prevent in film that herbicide steam is burnt cotton seedling；
（2）Middle term management：
A chemistry controls are prosperous：After cotton buddings one week, start to spray the wettable powder of Prohexadione calcium 5%, dosage is 1.0~1.5g/
666.7m2Aqueous solution 30kg, then sprayed once every 7 days, even spray 3 times, the chance rainy day need to fill spray；
B prevents and treats Pest organism：
Spray 30% hymexazol and be watered 3000 times of liquid preventing and treating cotton verticillium wilts, droops, 30% imidacloprid wettable powder by every 10ml
3000 times of liquid spraying prevention and control of aphides of agent, 20% trichlorine except mite alcohol, 1500 times of liquid preventing and treating cotton spider mites are sprayed, spray 2.5% efficient chlorine fluorine
2000 times of liquid preventing and treating fleahopper silk worms of Cyano chrysanthemate, spray 1% 2000 times of liquid preventing and treating bollworms of emamectin benzoate microemulsion；
（3）Final-period management：Every mu sprays 0.2% potassium dihydrogen phosphate aqueous solution 50kg；Every 100~the 150g of 40% ethephon (CEPHA),2-(chloroethyl) phosphonic acid is watered
50kg, then 40~60ml of Thidiazuron with 40% mix, spray promote cotton fallen leaves and cotton boll blow-of-cottons.
8. cropping pattern according to claim 7, it is characterised in that：It is described（2）Middle term management：Combined according to actual conditions
Multiple chemical control of pinching is prosperous.
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| CN107980268A (en) * | 2018-01-08 | 2018-05-04 | 山东省农业可持续发展研究所 | It is a kind of to utilize the method for making recovery degeneration saline-alkali wetland between Chinese tamarisk and Suaeda heteroptera |
| CN108967081A (en) * | 2018-08-06 | 2018-12-11 | 中国科学院寒区旱区环境与工程研究所 | Forage Sorghum and silage corn mixed planting method and application |
| CN109169067A (en) * | 2018-09-30 | 2019-01-11 | 湖南博川农业发展有限责任公司 | A kind of implantation methods made between corn and sesbania for salt-soda soil |
| CN109392630A (en) * | 2018-12-26 | 2019-03-01 | 扬州大学 | A kind of Coastal beach oat-sorghum forage grass is no-tillage alternating method |
| CN109661966A (en) * | 2019-03-04 | 2019-04-23 | 山东农业大学 | A kind of salt-soda soil woods shrub symbiosis implantation methods |
| CN112616589A (en) * | 2020-12-24 | 2021-04-09 | 山东省烟台市农业科学研究院 | Two-year triple cropping water and fertilizer efficient cultivation method for grain crops in dry land of hilly land |
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| CN109392630A (en) * | 2018-12-26 | 2019-03-01 | 扬州大学 | A kind of Coastal beach oat-sorghum forage grass is no-tillage alternating method |
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| CN109661966B (en) * | 2019-03-04 | 2021-04-13 | 山东农业大学 | Saline-alkali soil forest and shrub symbiotic planting method |
| CN112616589A (en) * | 2020-12-24 | 2021-04-09 | 山东省烟台市农业科学研究院 | Two-year triple cropping water and fertilizer efficient cultivation method for grain crops in dry land of hilly land |
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