CN111201967A - Water-saving and fertilizer-saving method for crop rotation of winter wheat and summer corn - Google Patents
Water-saving and fertilizer-saving method for crop rotation of winter wheat and summer corn Download PDFInfo
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- CN111201967A CN111201967A CN202010087156.3A CN202010087156A CN111201967A CN 111201967 A CN111201967 A CN 111201967A CN 202010087156 A CN202010087156 A CN 202010087156A CN 111201967 A CN111201967 A CN 111201967A
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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
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C5/00—Fertilisers containing other nitrates
- C05C5/02—Fertilisers containing other nitrates containing sodium or potassium nitrate
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
- C05D9/02—Other inorganic fertilisers containing trace elements
Abstract
The invention discloses a water-saving and fertilizer-saving method for crop rotation of winter wheat and summer corn, and belongs to the technical field of agricultural planting. The water-saving and fertilizer-saving method comprises the steps of applying base fertilizer again before sowing winter wheat, crushing corn straws to uniformly cover wheat planting rows, irrigating the wheat once after emergence of seedlings, applying urea again in the jointing stage, and applying foliar fertilizer A in the grouting stage; the harvested straws of winter wheat are crushed and returned to the field, then the planting field is deeply ploughed and tedded for 1-2 times, a nitrogen-phosphorus-potassium compound fertilizer is applied to a base fertilizer before summer corn is sown, a cultivation mode adopts a ridge culture mulching film jointing stage for carrying out primary irrigation, a leaf fertilizer B is applied in a emasculation stage and a blooming stage, and a leaf fertilizer B is applied again in a seed grain formation stage; the foliar fertilizer A is prepared from the following raw materials in percentage by mass: 50-80% of humic acid, 25-50% of glycyrrhiza polysaccharide and 2-20% of boric acid; the foliar fertilizer B is prepared from the following raw materials in percentage by mass: 50-80% of humic acid, 25-50% of glycyrrhiza polysaccharide and 5-20% of potassium nitrate. The water and fertilizer management method realizes water and fertilizer saving and high yield of winter wheat and summer corn.
Description
Technical Field
The invention relates to the technical field of agricultural planting, in particular to a water-saving and fertilizer-saving method for crop rotation of winter wheat and summer corn.
Background
In the long-term development process of national socioeconomic, agriculture always has very important basic functions, in the development of agricultural economy, wheat and corn are very important crops, and the planting and yield of the wheat and the corn play a certain role in the development direction of the agriculture. With the rapid development of roads, buildings and industries in China, the available cultivated land area is continuously reduced, so a method for crop rotation of winter wheat and summer corn is provided, but the planting yield of the current crop rotation method is relatively reduced, and the cost of water and fertilizer is increased, so that a water-saving and fertilizer-saving method for crop rotation of winter wheat and summer corn needs to be further researched to achieve the purposes of reducing the planting cost and increasing the crop yield.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a water-saving and fertilizer-saving method for crop rotation of winter wheat and summer corn.
The invention provides a water-saving and fertilizer-saving method for crop rotation of winter wheat and summer corn, which comprises the following steps:
selection of drought tolerant wheat and maize varieties
And (3) water and fertilizer management of winter wheat: the method comprises the following steps of (1) repeatedly applying organic base fertilizer before sowing winter wheat, crushing corn straws in the previous season after sowing, uniformly covering the corn straws on wheat planting rows, performing winter irrigation once after wheat seedlings emerge, wherein the thickness of a soil wetting layer is preferably over 50cm, additionally applying urea in an elongation stage, and applying a foliar fertilizer A in a grouting stage; harvesting after the wheat is mature;
the method comprises the following steps of crushing straws harvested from winter wheat, returning the straws to a field, carrying out deep ploughing and tedding on a planting field for 1-2 times, then sowing summer corn, applying a nitrogen-phosphorus-potassium compound fertilizer as a base fertilizer before sowing the summer corn, covering a mulching film by ridge culture in a cultivation mode, carrying out primary irrigation in a jointing stage, applying a foliar fertilizer B in a emasculation stage-a flowering stage, and applying the foliar fertilizer B once again in a seed grain formation stage;
the foliar fertilizer A is prepared from the following raw materials in percentage by mass: 50-80% of humic acid, 25-50% of glycyrrhiza polysaccharide and 2-20% of boric acid;
the foliar fertilizer B is prepared from the following raw materials in percentage by mass: 50-80% of humic acid, 25-50% of glycyrrhiza polysaccharide and 5-20% of potassium nitrate.
Preferably, the humic acid of the foliar fertilizer A is selected from coal humic acid and the humic acid of the foliar fertilizer B is selected from water humic acid.
Preferably, the organic base fertilizer applied before wheat sowing is farmyard manure, and the application amount is 500-850 kg/mu.
Preferably, the application amount of the urea in the jointing stage of the wheat is 5-20 kg/mu.
Preferably, the foliar fertilizer A is mixed with water according to the ratio of 1: 3000-; and the foliar fertilizer B is mixed with water according to the ratio of 1:2000-3000 and then sprayed on the corn.
Preferably, the dosage of the nitrogen-phosphorus-potassium compound fertilizer applied before the corn is sowed is 10-25 kg/mu.
Preferably, the mulching film is a degradable mulching film.
Compared with the prior art, the invention has the beneficial effects that: the crop rotation method can provide scientific water and fertilizer management in different growth periods of the corn and the wheat, and realizes high yield of crops while saving water and fertilizer; in the invention, the wheat and the corn straws are reasonably utilized, the corn straws are used for covering winter wheat, preserving heat and moisture, and the wheat straws, the incompletely decomposed corn straws and soil are subjected to pile fermentation together to provide organic fertilizer required by the growth period of the corn, and meanwhile, scientific water replenishing and top dressing are combined to finally realize high yield; the invention also prepares the special foliar fertilizer for corn and wheat aiming at the characteristics of water and fertilizer management, supplements the requirement of later growth of crops and realizes the purposes of water and fertilizer saving.
Detailed Description
The following detailed description of the present invention will be given with reference to examples, but it should be understood that the scope of the present invention is not limited to the specific embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example 1
The water-saving and fertilizer-saving method for crop rotation of winter wheat and summer corn provided by the embodiment comprises the following steps of:
selection of drought tolerant wheat and maize varieties
And (3) water and fertilizer management of winter wheat: repeatedly applying farmyard manure with the application amount of 550 kg/mu before sowing winter wheat, crushing corn straws of the previous season after sowing, uniformly covering the corn straws on wheat planting rows, performing winter irrigation once after wheat seedlings emerge, wherein the thickness of a soil wetting layer is preferably over 50cm, topdressing urea with the amount of 15 kg/mu in a jointing stage, and applying a foliar fertilizer A in a grouting stage; harvesting after the wheat is mature;
the method comprises the following steps of (1) smashing straws harvested from winter wheat, returning to the field, then carrying out deep ploughing and tedding for 1-2 times, wherein the purpose of deep ploughing and tedding is to enable the straws and soil to be subjected to compost fermentation, reduce harmful germs in the soil, then sowing summer corn, applying a nitrogen-phosphorus-potassium compound fertilizer to a base fertilizer before sowing the summer corn, wherein the application amount is 20 kg/mu, covering a mulching film by adopting ridge culture in a cultivation mode, carrying out primary irrigation in a jointing stage, applying a foliar fertilizer B in an androgenesis stage-flowering stage, and applying a foliar fertilizer B again in a sub-grain formation stage;
the foliar fertilizer A is prepared from the following raw materials in percentage by mass: 68% of coal humic acid, 30% of glycyrrhiza polysaccharide and 2% of boric acid;
the foliar fertilizer B is prepared from the following raw materials in percentage by mass: 55% of humic acid in water, 30% of glycyrrhiza polysaccharide and 15% of potassium nitrate.
Mixing the foliar fertilizer A with water according to the ratio of 1:3500, and spraying the mixture on wheat; and the foliar fertilizer B is mixed with water according to the proportion of 1:2000 and then sprayed on the corn.
Example 2
The water-saving and fertilizer-saving method for crop rotation of winter wheat and summer corn provided by the embodiment comprises the following steps of:
selection of drought tolerant wheat and maize varieties
And (3) water and fertilizer management of winter wheat: repeatedly applying farmyard manure with the application amount of 600 kg/mu before sowing winter wheat, crushing corn straws of the previous season after sowing, uniformly covering the corn straws on wheat planting rows, performing winter irrigation once after wheat seedlings emerge, wherein the thickness of a soil wetting layer is preferably over 50cm, additionally applying urea at the jointing stage and 20 kg/mu, and applying a foliar fertilizer A at the grouting stage; harvesting after the wheat is mature;
the method comprises the following steps of (1) crushing straws harvested from winter wheat, returning the straws to a field, then carrying out deep ploughing and tedding on a planting field for 1-2 times, then sowing summer corn, applying a nitrogen-phosphorus-potassium compound fertilizer as a base fertilizer before sowing the summer corn, wherein the application amount is 10 kg/mu, covering a mulching film by using ridge culture in a cultivation mode, carrying out primary irrigation in a jointing stage, applying a foliar fertilizer B in a emasculation stage-flowering stage, and applying a foliar fertilizer B again in a sub-grain formation stage;
the foliar fertilizer A is prepared from the following raw materials in percentage by mass: 55% of coal humic acid, 40% of liquorice polysaccharide and 5% of boric acid;
the foliar fertilizer B is prepared from the following raw materials in percentage by mass: 65% of humic acid in water body, 25% of glycyrrhiza polysaccharide and 10% of potassium nitrate.
Mixing the foliar fertilizer A with water according to the ratio of 1:3500, and spraying the mixture on wheat; and the foliar fertilizer B is mixed with water according to the proportion of 1:2000 and then sprayed on the corn.
Example 3
The water-saving and fertilizer-saving method for crop rotation of winter wheat and summer corn provided by the embodiment comprises the following steps of:
selection of drought tolerant wheat and maize varieties
And (3) water and fertilizer management of winter wheat: repeatedly applying farmyard manure with the application amount of 600 kg/mu before sowing winter wheat, crushing corn straws of the previous season after sowing, uniformly covering the corn straws on wheat planting rows, performing winter irrigation once after wheat seedlings emerge, wherein the thickness of a soil wetting layer is preferably over 50cm, additionally applying urea at the jointing stage and 20 kg/mu, and applying a foliar fertilizer A at the grouting stage; harvesting after the wheat is mature;
the method comprises the following steps of (1) crushing straws harvested from winter wheat, returning the straws to a field, then carrying out deep ploughing and tedding on a planting field for 2 times, then sowing summer corn, applying a nitrogen-phosphorus-potassium compound fertilizer as a base fertilizer before sowing the summer corn, wherein the application amount is 10 kg/mu, covering a mulching film by using ridge culture in a cultivation mode, carrying out primary irrigation in a jointing stage, applying a foliar fertilizer B in a staminate stage-flowering stage, and applying a foliar fertilizer B again in a sub-granule forming stage;
the foliar fertilizer A is prepared from the following raw materials in percentage by mass: 60% of coal humic acid, 30% of glycyrrhiza polysaccharide and 10% of boric acid;
the foliar fertilizer B is prepared from the following raw materials in percentage by mass: 60% of humic acid in water, 35% of glycyrrhiza polysaccharide and 5% of potassium nitrate.
Mixing the foliar fertilizer A with water according to the ratio of 1:3500, and spraying the mixture on wheat; and the foliar fertilizer B is mixed with water according to the proportion of 1:2000 and then sprayed on the corn.
Comparative example 1
The difference between the comparative example 1 and the example 1 is that the foliar fertilizer adopts the commercially available foliar fertilizer which is evaluated in the row; other planting methods and water and fertilizer management modes are consistent with those of the embodiment 1;
the leaf fertilizer A is diluted and sprayed by 500 times of a leaf fertilizer for baby produced by Henan Zhonglang agriculture science and technology Limited company;
the foliar fertilizer B is a delicate corn foliar fertilizer produced by Henan Zhonglang agriculture science and technology limited company; spray was diluted with 300-fold solution.
Comparative example 2
The difference between the comparative example 2 and the example 1 is that the foliar fertilizer A is applied to the corn in the emasculation period-flowering period and the seed granule forming period, the foliar fertilizer B is not applied, and other planting methods and water and fertilizer management modes are consistent with those of the example 1.
The planting field is divided into 5 test fields, the methods of examples 1-3 and comparative examples 1-2 are respectively adopted for planting and water and fertilizer management, and the yield in each example and comparative example is as follows:
example 1: the yield per mu of wheat is 560kg, and the yield per mu of corn is 780 kg;
example 2: the yield per mu of wheat is 550kg, and the yield per mu of corn is 750 kg;
example 3: the yield per mu of wheat is 550kg, and the yield per mu of corn is 790 kg;
the wheat yield per mu in the comparative example 1 is 440kg, and the corn yield per mu is 630 kg;
the wheat yield per mu in comparative example 2 was 450kg, and the corn yield per mu was 680 kg.
Experimental results show that the high yield of the wheat and the corn is realized by adopting the examples 1-3, water and fertilizer are saved, the utilization rate of water and fertilizer is high, the corn and the wheat yield of the comparative examples 1 and 2 is lower than that of the examples 1-3, the corn yield of the comparative example 2 is higher than that of the comparative example 1, and the wheat yield is not greatly different from that of each example of the invention.
It should be noted that the nitrogen, phosphorus and potassium compound fertilizer used in the above embodiments is formed by mixing 25% of ammonium chloride, 48% of monoammonium phosphate and 27% of potassium chloride.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A water-saving and fertilizer-saving method for crop rotation of winter wheat and summer corn is characterized by comprising the following steps:
selection of drought tolerant wheat and maize varieties
And (3) water and fertilizer management of winter wheat: the method comprises the following steps of (1) repeatedly applying organic base fertilizer before sowing winter wheat, crushing corn straws in the previous season after sowing, uniformly covering the corn straws on wheat planting rows, performing winter irrigation once after wheat seedlings emerge, wherein the thickness of a soil wetting layer is preferably over 50cm, additionally applying urea in an elongation stage, and applying a foliar fertilizer A in a grouting stage; harvesting after the wheat is mature;
crushing straws of harvested winter wheat, returning the straws to a field, deeply ploughing and tedding a planting field for 1-2 times, then sowing summer corn, applying a nitrogen-phosphorus-potassium compound fertilizer as a base fertilizer before sowing the summer corn, covering a mulching film by ridge culture in a cultivation mode, carrying out primary irrigation in a jointing stage, applying a foliar fertilizer B in a emasculation stage and a flowering stage, and applying the foliar fertilizer B again in a seed grain formation stage;
the foliar fertilizer A is prepared from the following raw materials in percentage by mass: 50-80% of humic acid, 25-50% of glycyrrhiza polysaccharide and 2-20% of boric acid;
the foliar fertilizer B is prepared from the following raw materials in percentage by mass: 50-80% of humic acid, 25-50% of glycyrrhiza polysaccharide and 5-20% of potassium nitrate.
2. The water-saving and fertilizer-saving method for crop rotation of winter wheat and summer corn as claimed in claim 1, wherein the foliar fertilizer A humic acid is selected from coal humic acid and foliar fertilizer B humic acid is selected from water humic acid.
3. The water-saving and fertilizer-saving method for crop rotation of winter wheat and summer corn as claimed in claim 1, wherein the organic base fertilizer applied before wheat sowing is farmyard manure with application amount of 500-850 kg/mu.
4. The water-saving and fertilizer-saving method for crop rotation of winter wheat and summer corn as claimed in claim 1, wherein the urea application amount in the jointing stage of wheat is 5-20 kg/mu.
5. The water-saving and fertilizer-saving method for crop rotation of winter wheat and summer corn as claimed in claim 1, wherein the foliar fertilizer A is mixed with water according to the ratio of 1: 3000-; and the foliar fertilizer B is mixed with water according to the ratio of 1:2000-3000 and then sprayed on the corn.
6. The water-saving and fertilizer-saving method for crop rotation of winter wheat and summer corn as claimed in claim 1, wherein the amount of nitrogen phosphorus potassium compound fertilizer applied before corn sowing is 10-25 kg/mu.
7. The water-saving and fertilizer-saving method for crop rotation of winter wheat and summer corn as claimed in claim 1, wherein the mulching film is degradable.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114736057A (en) * | 2022-03-08 | 2022-07-12 | 吉林省十一有机肥股份有限公司 | Traditional Chinese medicine polysaccharide liquid fertilizer integrated production formula for simultaneous treatment of plants and soil |
| CN114885772A (en) * | 2022-05-17 | 2022-08-12 | 甘肃省农业科学院旱地农业研究所 | Cultivation method for cultivating early-maturing fresh-eating corn in dry land winter wheat after-stubble no-tillage multiple cropping mode |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114736057A (en) * | 2022-03-08 | 2022-07-12 | 吉林省十一有机肥股份有限公司 | Traditional Chinese medicine polysaccharide liquid fertilizer integrated production formula for simultaneous treatment of plants and soil |
| CN114885772A (en) * | 2022-05-17 | 2022-08-12 | 甘肃省农业科学院旱地农业研究所 | Cultivation method for cultivating early-maturing fresh-eating corn in dry land winter wheat after-stubble no-tillage multiple cropping mode |
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