CN108575613A - A kind of light simple fertilizing method of summer corn under Wheat and maize rotation pattern - Google Patents
A kind of light simple fertilizing method of summer corn under Wheat and maize rotation pattern Download PDFInfo
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- CN108575613A CN108575613A CN201810292577.2A CN201810292577A CN108575613A CN 108575613 A CN108575613 A CN 108575613A CN 201810292577 A CN201810292577 A CN 201810292577A CN 108575613 A CN108575613 A CN 108575613A
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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
- A01G22/20—Cereals
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
Abstract
The present invention relates to a kind of light simple fertilizing methods of the summer corn under Wheat and maize rotation pattern, this method include after harvesting wheat stalk crush full returning to the field, then seeding corn, when corn seeding, applies nitrogen, phosphorus, potassium simple substance fertilizer, it is disposably applied when with sowing, the time of infertility is not necessarily to top dressing；The nitrogenous fertilizer is the mixture of coated carbamide and common urea, and wherein the mass ratio shared by coated carbamide is 60 80%, and the mass ratio shared by common urea is 20 40%.The fertilizer that the present invention applies is simple substance fertilizer, can meet the needs of corn time of infertility nutrient, whole no longer top dressing, labor cost is saved, utilization rate of nitrogen fertilizer is substantially increased, reduces Nutrient rainwater leaching loss, it ensure that corn jointing booting nutrient supply, the yield for substantially increasing corn is conducive to stable yields, volume increase, while greatly reducing input cost.
Description
Technical field
The present invention relates to a kind of light simple fertilizing methods of the summer corn under Wheat and maize rotation pattern, belong to agricultural fertilizer technology
Field.
Background technology
Shandong Province is big agricultural province, and agricultural population accounts for 62.4% of total number of people or so according to statistics, recent years, is had in rural area
The person between twenty and fifty of culture largely flow to cities and towns and work, and the especially young population of agricultural population is more and more detached from soil, causes agriculture
Village structure of labour force property is unbalance, and especially the distributed pole in age composition is unreasonable so that is engaged in agricultural production in rural area at present
Crowd based on women, old man.It is huge that this irrational distribution phenomenon so that existing labour is difficult to undertake when concentrating the busy farming season
Big workload, agricultural production management are difficult to fine operation, fertilizing method not science, crop top dressing be difficult to ensure, fertilizer
The phenomenon that proportioning has no way of referring to is very universal, seriously affects the high and stable yields of crop, is constituted to the grain security of the whole province serious
It threatens.
And corn is also the main cereal crops in Shandong Province, is occupied an important position in Shandong grain or even the whole nation, wherein
Maize sown area in 2016 is 320.7 ten thousand hectares, accounts for the 87.2% of the Shandong autumn grain crops gross area, and national 2016 annual planting areas
Be 36,780,000 hectares, account for about the 8.72% of the national corn gross area, thus the Summer Maize Production of Shandong Province in national grain all
With consequence.
Common fertilizer product fertilizer efficiency period is shorter in Summer Maize Production at present, along with summer rainfall is more, available nutrient
Easily with rainwater leaching loss, it is necessary to the needs of could meeting crop entire breeding time to nutrient by top dressing, and at present in produce reality,
The phenomenon that phenomenon of rural laborer's shortage causes production management increasingly extensive, fertilizer application " one bombards " is very universal, influences
While crop yield so that utilization rate of fertilizer substantially reduces, and peasant more uses the solution for increasing dose, to
So that " excessive fertilization, yield decline low with plant recovery of nutrient " enters the state of vicious circle.On the other hand, in agricultural production by
The joint effect of the factors such as know-how, labor shortage, rationally with fertilising material aspect there are still larger defect, fertilizer application is deposited
In larger blindness, randomness, following the wind property, " having what fertilizer, with what fertilizer ", " others's with what fertilizer, I am fertile with what "
Phenomenon is very universal, it is difficult to realize that fertilising is reasonable, ensure that the use in soil is supported and combine, be easy for that soil quality is caused to move back over time
Change, significant threat is constituted to the sustainable production capacity of soil.
The appearance of slow-release or control-release fertilizer solves the problems, such as that " one bombards " fertilization mode utilization rate of fertilizer is low to a certain extent,
Slow/controlled release nitrogenous fertilizer can in conjunction with sowing one-time use, need not top dressing, save labor, save labour cost.Chinese patent literature
CN102210212B discloses a kind of slow/controlled release nitrogen fertilizing method in wheat, Corn Rotation System, this method describe wheat season,
Corn season slow-release or control-release fertilizer specific method of administration, find in practical application, only applying Controlled Release Fertilizer easily makes crop generate fertilizer deficiency early period, together
When Controlled Release Fertilizer dosage it is relatively high, therefore generate input cost can be relatively high；Chinese patent literature CN104322252A is public
A kind of Winter Wheat-Summer Maize Rotation System high-yield culturing fertilizing method is opened, in order to realize high yield purpose in planting process, although applying
With control release urea, but its dosage is excessively high, and cost input increases, while still needing to base and chasing after combinations, and labour is short when unresolved top dressing
Scarce contradiction；Chinese patent literature CN102017839B also proposed a kind of wheat, the Corn Rotation System anniversary simplifies fertilizing method, beautiful
Rice season top dressing need to be in the typhon mouth phase, and along with summer is hot, working condition is unfavorable for artificial top dressing, and peasant works out of the hometown,
It is difficult to return rural area top dressing in the meantime, it is short cannot really to solve the problems, such as that labour lacks.
The various problem occurred for current corn fertilizing：Rural laborer is short, fertilizer amount is excessive, cost input
Height, fertilizer efficiency period are short, it is necessary to which the needs of could meeting crop entire breeding time to nutrient by top dressing, fertilizer application frequency is short with labour
Scarce contradiction, it is urgent to provide one kind not only ensureing crop yield, but also saves labour, at low cost, and it is whole can to meet corn without top dressing
Demand of a breeding time to nutrient, environmental effect is apparent, really realizes the simplification fertilizing method under Wheat and maize rotation pattern.
Invention content
In view of the deficiencies of the prior art, the present invention provides the summer corn under a kind of Wheat and maize rotation pattern light simple fertilising side
Method.
Technical scheme is as follows：
A kind of light simple fertilizing method of summer corn under Wheat and maize rotation pattern, including steps are as follows：
Stalk crushes full returning to the field after harvesting wheat, then seeding corn, and when corn seeding applies nitrogen, phosphorus, potassium simple substance fertilizer, with
It is disposably applied when sowing, the time of infertility is not necessarily to top dressing；
The nitrogenous fertilizer is the mixture of coated carbamide and common urea, and wherein the mass ratio shared by coated carbamide is 60-
80%, the mass ratio shared by common urea is 20-40%.
According to currently preferred, the mass ratio shared by coated carbamide is 60-70%, and the mass ratio shared by common urea is
30-40%.
It is further preferred that the mass ratio shared by coated carbamide is 60-65%, the mass ratio shared by common urea is 35-
40%.
According to currently preferred, potash fertilizer used is graininess potassium sulfate or potassium chloride, and phosphate fertilizer is granular superphosphate.This
The simple substance fertilizer of invention is graininess, uniform convenient for blending.
According to currently preferred, nutrient N P and K otal investment is controlled in 300~350kg/hm2, wherein N nutrients control
：150~210kg/hm2；P2O5Nutrient control exists：45~60kg/hm2；K2The control of O nutrients exists：60~90kg/hm2。
It is further preferred that the control of N nutrients exists：180~210kg/hm2；P2O5Nutrient control exists：45~60kg/hm2；K2O
Nutrient control exists：60~80kg/hm2。
Highly preferred, the control of N nutrients exists：180kg/hm2；P2O5Nutrient control exists：45kg/hm2；K2The control of O nutrients exists：
75kg/hm2。
According to currently preferred, after phosphorus, potash fertilizer and common urea and coated carbamide mix in proportion when mechanical planting with
Seed disposably applies.
It is resin coated urea according to currently preferred, described coated carbamide, fertilizer releasing period in the soil is
50-65 days.
The fertilizer that the present invention uses is granulated fertilizer, and urea and common urea are granular urea in coated carbamide.
The fertilizer that the present invention applies is existing product, and market is bought.
Method and apparatus used in the present invention it is not specified according to the prior art.
The excellent results of the present invention are as follows：
1, for the fertilizer that the present invention applies based on straight fertilizer, fertilizer cost is relatively low；N P and K overall control is 300
~350kg/hm2, wherein N nutrients, which control, exists：150~210kg/hm2；P2O5Nutrient control exists：45~60kg/hm2；K2O nutrients
Control exists：60~90kg/hm2.All fertilizer of one-time use in corn seeding are not necessarily to top dressing, really solve for rural area labor
Influence of the power shortage to agricultural production, while dosage reduces guarantee yield, plant recovery of nutrient is obviously improved, nutrient flow
It goes wrong dangerous decline, there is good environment and economic benefit.
2, the fertilizer that the present invention applies is simple substance fertilizer, can meet the needs of corn time of infertility nutrient, and whole process no longer chases after
Fertilizer saves labor cost, substantially increases utilization rate of nitrogen fertilizer, reduces Nutrient rainwater leaching loss, ensure that corn jointing
Booting nutrient supply substantially increases the yield of corn, is conducive to stable yields, volume increase, while greatly reducing input cost.
3, the ratio of the present invention applies fertilizer nitrogen, phosphorus, potassium nutrition, on the basis for meeting corn time of infertility nutrient demand
On, fertilizers input amount is reduced, fertilizers input number is reduced, the economic benefit of peasant is increased, improves corn yield.
Specific implementation mode
Invention is further explained by the following examples, but the present invention is not limited only to following embodiment.
Embodiment 1：
A kind of light simple fertilizing method of summer corn under Wheat and maize rotation pattern, is as follows：
Stalk crushes full returning to the field after harvesting wheat, mechanical planting corn after full returning to the field, by phosphorus, potash fertilizer and nitrogen when corn seeding
Fertilizer disposably applies after mixing in proportion with seed, and the time of infertility is not necessarily to top dressing.
Nitrogenous fertilizer is the mixture of coated carbamide and common urea, and wherein the mass ratio shared by coated carbamide is 70%, commonly
Mass ratio shared by urea is 30%.Potash fertilizer used is graininess potassium sulfate or potassium chloride, and phosphate fertilizer is granular superphosphate.
N P and K otal investment is controlled in 300kg/hm2, wherein N nutrients, which control, exists：180kg/hm2；P2O5Nutrient controls
：45kg/hm2；K2The control of O nutrients exists：75kg/hm2。
Application test example 1：
Summer corn in 2015 gently simplifies fertilizing method to be tested in the application effect of Dezhou Qihe.
1.1 test site：Explain temple town village of government's bank in Dezhou City Qihe County.
1.2 for trying soil：Moisture soil, soil pH value 8.25, content of organic matter 16.8g/kg, full nitrogen, full phosphorus, full potassium
Content is respectively 1.08g/kg, 0.86g/kg, 18.7g/kg, alkali-hydrolyzable nitrogen 35.67mg/kg, available phosphorus 65.34mg/kg, available potassium
105.6mg/kg。
1.3 field management：
On June 21st, 2015 corn seeding, September 28 days harvests.The field management of corn is handled with the conventional fertilizer application of peasant household,
Machine sowing machine is received, straw-returning.
2.1 peasant habit fertilising is respectively set, light simplified fertilising 1, gently simplifies totally 3 wide field trials of fertilising 2, each great Qu
Area is 1.25 mu, does not set repetition.
The fertilization type and method respectively handled is as follows：
Processing 1：Peasant habit fertilising (N-P2O5-K2O=345-0-0)；Using urea, urea base chases after fifty-fifty；
Processing 2：It is light to simplify 1 (N-P of fertilising2O5-K2O=210-60-60)；The common granular urea of nitrogenous fertilizer and coating urine
Plain (ratio 3：7), phosphate fertilizer double superhosphate, potash fertilizer potassium sulfate, base is applied after nitrogen, phosphorus and potassium fertilizer mixing.
Processing 3：It is light to simplify 2 (N-P of fertilising2O5-K2O=180-45-75, the nutrients ratio of embodiment 1), chemical fertilizer kind used
Class and method of administration are the same as processing 2.
2.2 testing indexs and method
Different growing stages, which are observed, compares the corn growing way of different disposal, corn yield real receipts when harvest, with statistics production
Amount.
3, result
Influence of 3.1 different fertilizations to corn growing way
Field observation is carried out by the seedling stage, jointing stage and boot stage in corn, it is found that seedling stage peasant habit handles ratio
The two light maize leaf color for simplifying fertilizer treatment is deeper, and plant height does not have notable difference, and several processing do not have in the jointing stage
Notable difference, and the leaf color than peasant habit processing for gently simplifying fertilizer treatment in boot stage is deep.
Influence field experiment result of 3.2 different fertilizations to yield of Summer Corn see the table below shown in 1：
Influence of 1 different fertilization of table to yield of Summer Corn
| Processing | Per mu yield (kg) | Yield (t/hm2) | Compared with peasant habit rate of growth (%) |
| Peasant habit | 891.0 | 13.37 | - |
| It is light to simplify fertilising 1 | 952.5 | 14.29 | 6.88 |
| It is light to simplify fertilising 2 | 1020.9 | 15.31 | 14.51 |
As shown in Table 1, the two kinds light corn yield for simplifying fertilizer treatment all has certain volume increase than peasant habit, increases production width
Degree is respectively 6.88% and 14.51%, but by processing 2 with from the point of view of 3 comparison of processing, processing 3 (light to simplify fertilising 2) rate of growth is wanted
Higher than processing 2 (light to simplify fertilising 1) is more, and therefore, fertilizer application mode of the invention reduces the ratio of nitrogen, and the processing of phosphorization potassium can
To improve corn yield.
The performance analysis of 3.3 different fertilizations
Different fertilization see the table below shown in 2 summer corn cost, the influence field experiment result of income：
Influence of 2 different fertilization of table to summer corn cost, income
Note：Corn presses 2.3 yuan/kilogram, 1.6 yuan/kilogram of urea, and coated carbamide presses 1.9 yuan/kilogram, and double superhosphate is pressed
3.3 yuan/kilogram, potassium sulfate press 4.2 yuan/kilogram, calculate
As shown in Table 2, the two kinds light corn income for simplifying fertilizer treatment will be apparently higher than peasant habit, although its two kinds
The light fertilizer cost for simplifying fertilizer treatment is relatively high, but due to being applied with seed with machinery is disposable when it is applied, without after
The labour cost of phase top dressing, therefore, net income is increased significantly than peasant habit, is higher by 3317 yuan/hectare and 5786 respectively
Member/hectare, increasing degree are respectively 13.09% and 22.83%, and synergy degree has reached the pole level of signifiance.
Embodiment 2：
A kind of light simple fertilizing method of summer corn under Wheat and maize rotation pattern, is as follows：
Stalk crushes full returning to the field after harvesting wheat, mechanical planting corn after full returning to the field, by phosphorus, potash fertilizer and nitrogen when corn seeding
Fertilizer disposably applies after mixing in proportion with seed, and whole process is not necessarily to top dressing.
Nitrogenous fertilizer is the mixture of coated carbamide and common urea, and wherein the mass ratio shared by coated carbamide is 75%, commonly
Mass ratio shared by urea is 25%.Potash fertilizer used is graininess potassium sulfate or potassium chloride, and phosphate fertilizer is granular superphosphate.
N P and K total nutrient otal investment is controlled in 300kg/hm2, wherein N nutrients, which control, exists：180kg/hm2；P2O5Nutrient
Control exists：45kg/hm2；K2The control of O nutrients exists：75kg/hm2。
Comparative example 1
A kind of light simple fertilizing method of summer corn under Wheat and maize rotation pattern, is carried out using the method for embodiment 1, different
Place is：
Nitrogenous fertilizer is the mixture of coated carbamide and common urea, and wherein the mass ratio shared by coated carbamide is 50%, commonly
Mass ratio shared by urea is 50%.
Comparative example 2
A kind of light simple fertilizing method of summer corn under Wheat and maize rotation pattern, is carried out using the method for embodiment 1, different
Place is：
Nitrogenous fertilizer is the mixture of coated carbamide and common urea, and wherein the mass ratio shared by coated carbamide is 20%, commonly
Mass ratio shared by urea is 80%.
Comparative example 3
A kind of light simple fertilizing method of summer corn under Wheat and maize rotation pattern, is carried out using the method for embodiment 1, different
Place is：
Nitrogenous fertilizer is the mixture of coated carbamide and common urea, and wherein the mass ratio shared by coated carbamide is 100%, commonly
Mass ratio shared by urea is 0%.
Application test example 2：
By 5 groups of Different Fertilization methods of embodiment 1-2, comparative example 1-3 and peasant habit fertilising in summer corn in 2015
The light fertilizing method that simplifies is tested in the application effect of Dezhou Qihe.
Test site：Explain temple town village of government's bank in Dezhou City Qihe County.
For trying soil：Moisture soil, soil pH value 8.25, content of organic matter 16.8g/kg, full nitrogen, full phosphorus, full potassium contain
Amount is respectively 1.08g/kg, 0.86g/kg, 18.7g/kg, alkali-hydrolyzable nitrogen 35.67mg/kg, available phosphorus 65.34mg/kg, available potassium
105.6mg/kg。
Test and statistical method press the progress of application test example 1, influence crop field of the different fertilization to yield of Summer Corn
Test result see the table below shown in 3：
Influence of 3 different fertilization of table to yield of Summer Corn
| Processing | Per mu yield (kg) | Yield (t/hm2) | Compared with peasant habit rate of growth (%) |
| Peasant habit | 891.0 | 13.37 | - |
| Embodiment 1 | 1020.9 | 15.31 | 14.51 |
| Embodiment 2 | 1005.7 | 15.1 | 12.94 |
| Comparative example 1 | 945.5 | 14.18 | 6.06 |
| Comparative example 2 | 920.6 | 13.81 | 3.29 |
| Comparative example 3 | 910.8 | 13.66 | 2.17 |
By table 2, it can be seen directly that, the different influences to corn yield of fertilizer are very big, and peasant habit is only applied
The quick-acting apparent yield of urea are relatively low, this is because corn is in summer in rainy season, quick-acting urea are easy nutrient loss, lead to jade
Rice low output, comparative example 1 is with comparative example 2 since common urea occupies large percentage, and early period, seedling growth was vigorous, but later stage nutrient
It does not catch up with, nutrient cannot steadily discharge supply, lead to nutrition excess early period, and later stage nutrient is insufficient, keeps corn yield relatively low, compares
The release and release control fertilizer that example 3 all uses, although can ensure that nutrient steadily discharges supply, early period, seedling growth of corn fertilizer deficiency, was caused
Seedling is weak, and yield declines, simultaneously because Controlled Release Fertilizer dosage is high, therefore the input cost generated can be relatively high.
To sum up application test example 1, application test example 2, compared with peasant habit applies fertilizer, not the more voluminous amount of fertilizer application is more
Height, income is higher, and also and not all proportion of nitrogen fertilizer is bigger, is more conducive to yield increase, and the dose of the embodiment of the present invention 1 is minimum
(300kg/hm2), yield highest, net earnings highest；Comprehensive Correlation, the ratio of fertilizer nitrogen, phosphorus, potassium nutrition that the present invention applies,
On the basis of meeting corn time of infertility nutrient demand, fertilizers input amount is reduced, reduces fertilizers input number, increases
The economic benefit of peasant, improves corn yield.
Claims (9)
1. a kind of light simple fertilizing method of summer corn under Wheat and maize rotation pattern, including steps are as follows：
Stalk crushes full returning to the field after harvesting wheat, then seeding corn, and when corn seeding applies nitrogen, phosphorus, potassium simple substance fertilizer, when sowing
Disposable to apply, the time of infertility is not necessarily to top dressing；
The nitrogenous fertilizer is the mixture of coated carbamide and common urea, and wherein the mass ratio shared by coated carbamide is 60-80%,
Mass ratio shared by common urea is 20-40%.
2. the light simple fertilizing method of summer corn under Wheat and maize rotation pattern according to claim 1, which is characterized in that packet
Mass ratio shared by film urea is 60-70%, and the mass ratio shared by common urea is 30-40%.
3. the light simple fertilizing method of summer corn under Wheat and maize rotation pattern according to claim 1, which is characterized in that packet
Mass ratio shared by film urea is 60-65%, and the mass ratio shared by common urea is 35-40%.
4. the light simple fertilizing method of summer corn under Wheat and maize rotation pattern according to claim 1, which is characterized in that institute
It is graininess potassium sulfate or potassium chloride with potash fertilizer, phosphate fertilizer is granular superphosphate.
5. the light simple fertilizing method of summer corn under Wheat and maize rotation pattern according to claim 1, which is characterized in that nitrogen
Phosphorus potassium nutrition otal investment is controlled in 300~350kg/hm2, wherein N nutrients, which control, exists：150~210kg/hm2；P2O5Nutrient control
System exists：45~60kg/hm2；K2The control of O nutrients exists：60~90kg/hm2。
6. the light simple fertilizing method of summer corn under Wheat and maize rotation pattern according to claim 5, which is characterized in that N
Nutrient control exists：180~210kg/hm2；P2O5Nutrient control exists：45~60kg/hm2；K2The control of O nutrients exists：60~80kg/
hm2。
7. the light simple fertilizing method of summer corn under Wheat and maize rotation pattern according to claim 5, which is characterized in that N
Nutrient control exists：180kg/hm2；P2O5Nutrient control exists：45kg/hm2；K2The control of O nutrients exists：75kg/hm2。
8. the light simple fertilizing method of summer corn under Wheat and maize rotation pattern according to claim 1, which is characterized in that
Phosphorus, potash fertilizer and common urea and coated carbamide disposably apply when mixing machinery is sowed in proportion with seed.
9. the light simple fertilizing method of summer corn under Wheat and maize rotation pattern according to claim 1, which is characterized in that institute
The coated carbamide stated is resin coated urea, and fertilizer releasing period in the soil is 50-65 days.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109496730A (en) * | 2018-12-24 | 2019-03-22 | 吉林农业大学 | A kind of fertilizer and fertilizing method of Central Jilin spring maize single fertilization |
| CN109588233A (en) * | 2018-12-29 | 2019-04-09 | 中国农业科学院农业资源与农业区划研究所 | A kind of Wheat In North China Summer Maize Rotation Potassium in Soils library regulation synergisting method |
| CN110089369A (en) * | 2019-05-07 | 2019-08-06 | 山东省农业科学院农业资源与环境研究所 | A kind of Wheat Maize Rotation straw-returning balanced fertilizing method |
| CN110150062A (en) * | 2019-06-26 | 2019-08-23 | 河北科技师范学院 | The implantation methods that a kind of spring wheat, summer corn yield two crops a year |
| CN112005681A (en) * | 2020-09-17 | 2020-12-01 | 江苏省耕地质量与农业环境保护站 | Method for one-time basal application of nitrogen fertilizer to crops under straw returning condition |
| CN112673912A (en) * | 2021-01-19 | 2021-04-20 | 河南农业大学 | Method for improving nitrogen utilization efficiency of summer corn |
| CN115191299A (en) * | 2022-02-22 | 2022-10-18 | 中国农业大学 | Method for regulating nitrogen-saving emission-reduction synergy of annual high yield of winter wheat and summer soybean |
| CN116616135A (en) * | 2023-05-30 | 2023-08-22 | 德州市农业科学研究院 | Method for light simplified green production of wheat-corn |
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| CN106385926A (en) * | 2016-09-13 | 2017-02-15 | 山东省农业科学院农业资源与环境研究所 | Summer maize one-time fertilization method suitable for Huanghuai plain |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109496730A (en) * | 2018-12-24 | 2019-03-22 | 吉林农业大学 | A kind of fertilizer and fertilizing method of Central Jilin spring maize single fertilization |
| CN109588233A (en) * | 2018-12-29 | 2019-04-09 | 中国农业科学院农业资源与农业区划研究所 | A kind of Wheat In North China Summer Maize Rotation Potassium in Soils library regulation synergisting method |
| CN110089369A (en) * | 2019-05-07 | 2019-08-06 | 山东省农业科学院农业资源与环境研究所 | A kind of Wheat Maize Rotation straw-returning balanced fertilizing method |
| CN110150062A (en) * | 2019-06-26 | 2019-08-23 | 河北科技师范学院 | The implantation methods that a kind of spring wheat, summer corn yield two crops a year |
| CN110150062B (en) * | 2019-06-26 | 2021-11-09 | 河北科技师范学院 | Planting method for spring wheat and summer corn twice a year |
| CN112005681A (en) * | 2020-09-17 | 2020-12-01 | 江苏省耕地质量与农业环境保护站 | Method for one-time basal application of nitrogen fertilizer to crops under straw returning condition |
| CN112673912A (en) * | 2021-01-19 | 2021-04-20 | 河南农业大学 | Method for improving nitrogen utilization efficiency of summer corn |
| CN115191299A (en) * | 2022-02-22 | 2022-10-18 | 中国农业大学 | Method for regulating nitrogen-saving emission-reduction synergy of annual high yield of winter wheat and summer soybean |
| CN116616135A (en) * | 2023-05-30 | 2023-08-22 | 德州市农业科学研究院 | Method for light simplified green production of wheat-corn |
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Application publication date: 20180928 |