CN105594418A - Corn planting method - Google Patents
Corn planting method Download PDFInfo
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- CN105594418A CN105594418A CN201510844262.0A CN201510844262A CN105594418A CN 105594418 A CN105594418 A CN 105594418A CN 201510844262 A CN201510844262 A CN 201510844262A CN 105594418 A CN105594418 A CN 105594418A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
- A01C1/02—Germinating apparatus; Determining germination capacity of seeds or the like
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
- A01C1/08—Immunising seed
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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
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Abstract
The invention discloses a corn planting method. After corn is harvested each time, the corn is aired in the sunning ground which comprises an inverted-Y-shaped canopy frame formed by erecting bamboo poles. The longitudinal section of the inverted-Y-shaped canopy frame is in a triangle shape, the distance from the top end of the triangle to the bottom edge is 3.5 m, the bottom edge is 6 m long, and the bottom of the inverted-Y-shaped canopy frame is square and is 6 m wide. In the bottom, the length of the edge adjacent to the bottom edge is in direct proportion to the planting area of corn and is arranged to be 5m/hm<2>. The top and the periphery of the inverted-Y-shaped canopy frame are fixedly covered by thin films with the thickness being 8*10<-5>-15*10<-5> m. The closed sunning ground is arranged, the greenhouse function of the sunning ground greatly reduces the number of corn which mildews, rots and goes bad due to plum rains, loss of corn harvested each time is reduced, and the yield of corn is increased.
Description
Technical field
The present invention relates to proportion of crop planting field. More particularly, the present invention relates to a kind of implantation methods of corn.
Background technology
Corn is one of China's staple food crop, and taste is fragrant and sweet, also can do various dish, is feed stripped important sources,Also be the primary raw material of industrial alcohol and liquor.
Corn is extensively planted in the torrid zone, the whole world and Temperate Region in China, is an important cereal, nearly at the cultivation history of ChinaMore than 470 year. The sown area of China's corn, 300,000,000 mu of left and right, is only second to paddy and wheat at present, occupies the 3rd in cereal cropsPosition, is only second to the U.S. in the world.
Corn is as people's grain ration and " king of feed ", and people are always at the continuous implantation methods of Improvement corn, toObtain the more corn of high-quality, higher yield. Nanning areas to the south kind is implanted with a large amount of corns, and local corn is biography1 year of system is two ripe, during maize planting, harvest time many places at high temperature and rainy weather, corn easily go rotten rotten andCause damage, affect the output of corn, therefore need the implantation methods of seeking a kind of corn badly, solve local harvest timeThe easily mildew and rot rotten problem of corn.
Summary of the invention
An object of the present invention is to solve at least the problems referred to above, and provide at least below by the advantage of explanation.
A further object of the invention is to provide a kind of implantation methods of corn, by the threshing ground of sealing being set, the temperature on threshing groundIt is rotten that chamber effect has greatly reduced going rotten of the corn that causes because of rainy weather, reduced during maize planting jade harvest timeThe loss of rice, and then improved the output of corn.
In order to realize according to these objects of the present invention and other advantage, a kind of implantation methods of corn is provided, comprise followingStep:
1) select corn variety: select short corn variety breeding time in Nanning areas to the south, described corn variety the spring,The all energy dense planting of summer and autumn;
2) sowing: sow in spring to be chosen in and carry out February, summer sowing is chosen in to be carried out June, and autumn sowing is chosen in to be carried out September, maize seedThe planting density of son is 60,000～7.2 ten thousand strains/hm2；
3) field management: disposable employed composite fertilizer after planting at every turn, in the described composite fertilizer at every turn using, the content of nitrogen is 230 kg/hm2、P2O5Content be 115kg/hm2、K2The content of O is 115kg/hm2；
4) fruit ear results and dry: in the time that fruit ear subtending leaf turns Huang, collect fruit ear, the harvest time of sowing in spring, summer sowing was gathered in the crops in JuneAutumn sowing was transported to threshing ground by fruit ear after each results and spread airing out in December harvest time in September phase, and the accumulation of fruit ear is thickDegree is 30～35cm;
Before airing, the ground on smooth described threshing ground, with the cement concrete hardened ground of thickness 5～8cm, described threshing ground bagDraw together the chevron shaped frame that bamboo pole is barricaded as, the longitudinal section of described chevron shaped frame is triangle, and leg-of-mutton top is to the distance on baseFrom being 3.5m, described bottom side length 6m, the bottom of described chevron shaped frame is square, its width is 6m, in described bottom,The length on the limit adjacent to base and the cultivated area of corn are directly proportional, and its length is set to 5m/hm2, described chevron shapedThe fixing cladding thickness of the top of frame and surrounding is 8 × 10-5～15×10-5The film of m;
Until fruit ear, in described threshing ground, airing is to water content 40～60% time, and the subtending leaf of peelling off fruit ear with peeling machine obtains jadeRice rod, by air-dry corn ear 3～5 days, 20～30% time, obtains corn particle with maize sheller threshing to water content,Corn particle is exposed to the sun in described threshing ground, in the process of being exposed to the sun, by air blast air blast, is exposed to the sun after 4～6 days, to corn particleWater content sell in 10～16% time packs.
Preferably, described step 1) to select the corn variety in corn variety be Zheng Dan 958.
Preferably, described step 2) all to adopt wide line space be 90cm for spring sowing in sowing, summer sowing and autumn sowing, narrow row spacingFor two strain seeding methods of 40cm, and two strain is one group, and the spacing between adjacent two groups is 42～51cm.
Preferably, described step 3) field management: while sowing, disposable employed composite fertilizer is in adjacent two groups at every turnBetween position.
Preferably, described step 4) fruit ear results and dry in by air-dry corn ear 3～5 days and be exposed to the sun 4～6 days during,All need turning 2～3 times.
Preferably, described step 3) during field management, when female fringe enters elongating stage, with 20% fenvalerate missible oil 5～7mlAfter evenly mixing with 700 times of liquid of 50% wettable carbendazim, by 70～85kg/hm2Spray.
Preferably, described step 2) corn seed of sowing is for through pretreated corn seed, and pretreated method is:
After corn seed is soaked to 10min with cold water, put into 50 DEG C of hot water, do not stop to stir, stir 20min, keep during this timeWater temperature is at 50 DEG C, after while water temperature being dropped to 25～33 DEG C with the speed of 5～8 DEG C/min, described corn seed is pulled out;
Then the corn seed of pulling out is placed in to the silk fibroin protein solution of 20～30mg/L, after 28～33 DEG C of seed soaking 3～4hPull out, after rinsing with clear water, dry, complete pretreatment.
The present invention at least comprises following beneficial effect:
1, the corn particle of implantation methods plantation of the present invention is full, smooth beautiful, without plumule browning look or the change of going rottenMatter, uniform drying, quality is good.
2, in implantation methods of the present invention, arranging of threshing ground solved the mildew and rot change that the harvest corn phase causes because of rainy weatherMatter, has reduced the mould variability of corn. The greenhouse effect producing by the threshing ground of sealing, is dried one to corn particleAs steam weight outside morning threshing ground, too, therefore, threshing ground keeps sealing state to humidity, when approaching after 10 o'clock of the morning, due toSolar radiation temperature increase, outside canopy threshing ground, humidity diminishes, and in while threshing ground, high 10～20 degree outside temperature-rise ratio threshing ground, enterRow be exposed to the sun, start air exhauster, air exhauster discharge wind direction and threshing ground outside wind direction one to, and with air exhauster position distanceThe appropriate large small holes of bottom, threshing ground is opened in other end farthest, is conducive to cross-ventilation, by the corn in the threshing ground of high temperatureThe moisture being evaporated is extracted threshing ground out. Arranging of threshing ground reduced labour intensity, saved labour, reduced productionCost is more than 1/3rd, and shortened corn drying required time harvest time, makes corn from being seeded into resultsCycle shortens, in conjunction with selecting breeding time short and in the superior corn kind " Zheng Dan 958 " of spring, summer and autumn equal energy dense planting,Can change the tradition that the local corn in Nanning 1 year two is ripe, realize corn three ripe from being seeded into a year of results, thereby make thisImplantation methods corn yield per unit area and the land utilization ratio of invention have all improved more than 30%.
3, adopt wide-and narrow-row to add two strain dense planting technology, corn wide-narrow row planting can fertilizing soil, improves the content of organic matter,Improve soil permeability and ecological environment, greatly reduce wind erosion, the water erosion of soil, promote corn growth, rootCoefficient amount increases, and leaf area is large, and photosynthetic gesture is strong, protects the green phase long.
4, implantation methods of the present invention is simple, and effect is remarkable, less demanding to soil environment, can be general ploughing,In the ranks or on the idle soil that makes the transition plant in orchard, can obtain in a short time considerable economic benefit.
5, in preprocess method, first seed is soaked with cold water, after put into 50 DEG C of hot water and stir disinfection, thenWith the speed cooling of 5～8 DEG C/min, reach the object to seed thorough disinfection, and it is short to take time, easy to operate;
Then 3～the 4h that corn seed soaked seed in silk fibroin protein solution, silk fibroin protein solution can strengthen corn seed to heightThe ability of restraining oneself of temperature environment, thus Course of Corn Seed Germination promoted, make corn seed there is higher germination rate.
Other advantage of the present invention, target and feature embody the explanation of part by below, and part also will be by the present inventionResearch and practice and understood by those skilled in the art.
Brief description of the drawings
Fig. 1 is the structural representation on threshing ground of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail, to make those skilled in the art with reference to explanationBook word can be implemented according to this.
Embodiment 1
1) select corn variety: select breeding time short and at all jade of energy dense planting of spring, summer and autumn in Nanning areas to the southRice kind Zheng Dan 958.
2) sowing: sow in spring to be chosen in and carried out February 15, summer sowing is chosen in to be carried out June 7, and autumn sowing is chosen in September 2Day carries out, and when summer sowing and autumn sowing are carried out, if planting scale is larger, also has the corn of not gathered in the crops in last season, limit results limitPlot after results is sowed, and the planting density of corn seed is 60,000 strains/hm2。
It is 90cm that spring sowing, summer sowing and autumn sowing all adopt wide line space, two strain seeding methods that narrow row spacing is 40cm, and twoStrain is one group, and the spacing between adjacent two groups is 42cm.
3) field management: each after planting disposable employed composite fertilizer is in the adjacent centre position of two groups, the institute using at every turnThe content of stating nitrogen in composite fertilizer is 230kg/hm2、P2O5Content be 115kg/hm2、K2The content of O is 115kg/hm2。
4) fruit ear results and dry: in the time that fruit ear subtending leaf turns Huang, collect fruit ear, the harvest time of sowing in spring is in June 1, summer sowingAutumn sowing was transported to threshing ground by fruit ear after each results and spread airing out December 15 harvest time September 1 harvest time,The ulking thickness of fruit ear is 30cm.
Before airing, the ground on smooth described threshing ground, with the cement concrete hardened ground of thickness 5cm;
As shown in Figure 1, described threshing ground comprises the chevron shaped frame that bamboo pole is barricaded as, and the longitudinal section of described chevron shaped frame is triangleShape, leg-of-mutton top is a in Fig. 1 to the distance on base, and length is 3.5m, and described base is that b length is 6m,The bottom of described chevron shaped frame is square, and its width is that b is 6m, and in described bottom, the limit adjacent with base isC, the length of c and the cultivated area of corn are directly proportional, and are 1 hectare according to cultivated area, and length is set to 5m, describedThe fixing cladding thickness of the top of chevron shaped frame and surrounding is 8 × 10-5Film.
Until fruit ear, in described threshing ground, airing is to water content 40% time, and the subtending leaf of peelling off fruit ear with peeling machine obtains cornRod, by air-dry corn ear 3 days, turning during this time 2 times, 20% time, obtained corn with maize sheller threshing to water contentParticle is exposed to the sun corn particle in described threshing ground, in the process of being exposed to the sun, by air blast air blast, is exposed to the sun after 4 days, turns over during this timePile 2 times, sell to the pack 10% time of the water content of corn particle.
Embodiment 2
1) select corn variety: select breeding time short and at all jade of energy dense planting of spring, summer and autumn in Nanning areas to the southRice kind Zheng Dan 958.
2) sowing: sow in spring to be chosen in and carried out February 25, summer sowing is chosen in to be carried out June 18, and autumn sowing is chosen in September 11Day carries out, and when summer sowing and autumn sowing are carried out, if planting scale is larger, also has the corn of not gathered in the crops in last season, limit results limitPlot after results is sowed, and the planting density of corn seed is 7.2 ten thousand strains/hm2。
It is 90cm that spring sowing, summer sowing and autumn sowing all adopt wide line space, two strain seeding methods that narrow row spacing is 40cm, and twoStrain is one group, and the spacing between adjacent two groups is 51cm.
3) field management: each after planting disposable employed composite fertilizer is in the adjacent centre position of two groups, the institute using at every turnThe content of stating nitrogen in composite fertilizer is 230kg/hm2、P2O5Content be 115kg/hm2、K2The content of O is 115kg/hm2。
4) fruit ear results and dry: in the time that fruit ear subtending leaf turns Huang, collect fruit ear, the harvest time of sowing in spring is in June 10, summerBroadcast harvest time September 10, autumn sowing harvest time is December 25, after each results, fruit ear is transported to threshing ground and spreads out and dry in the airShine, the ulking thickness of fruit ear is 35cm.
Before airing, the ground on smooth described threshing ground, with the cement concrete hardened ground of thickness 8cm, described threshing ground comprises bambooThe chevron shaped frame that pole is barricaded as, the longitudinal section of described chevron shaped frame is triangle, leg-of-mutton top to the distance on base is3.5m, described bottom side length 6m, the bottom of described chevron shaped frame is square, its width is 6m, in described bottom, the end of withThe length on limit and the cultivated area of corn that limit is adjacent are directly proportional, and are 2 hectares according to cultivated area, and length is set to 10m,Top and the fixing cladding thickness of surrounding at described chevron shaped frame are 15 × 10-5The film of m.
Until fruit ear, in described threshing ground, airing is to water content 60% time, and the subtending leaf of peelling off fruit ear with peeling machine obtains cornRod, by air-dry corn ear 5 days, turning during this time 3 times, 30% time, obtained corn with maize sheller threshing to water contentParticle is exposed to the sun corn particle in described threshing ground, in the process of being exposed to the sun, by air blast air blast, is exposed to the sun after 6 days, turns over during this timePile 3 times, sell to the pack 16% time of the water content of corn particle.
Embodiment 3
1) select corn variety: select breeding time short and at all jade of energy dense planting of spring, summer and autumn in Nanning areas to the southRice kind Zheng Dan 958.
2) sowing: sow in spring to be chosen in and carried out February 20, summer sowing is chosen in to be carried out June 13, and autumn sowing is chosen in September 6Day carries out, and when summer sowing and autumn sowing are carried out, if planting scale is larger, also has the corn of not gathered in the crops in last season, limit results limitPlot after results is sowed, and the planting density of corn seed is 70,000 strains/hm2。
It is 90cm that spring sowing, summer sowing and autumn sowing all adopt wide line space, two strain seeding methods that narrow row spacing is 40cm, and twoStrain is one group, and the spacing between adjacent two groups is 45cm.
3) field management: each after planting disposable employed composite fertilizer is in the adjacent centre position of two groups, the institute using at every turnThe content of stating nitrogen in composite fertilizer is 230kg/hm2、P2O5Content be 115kg/hm2、K2The content of O is 115kg/hm2。
4) fruit ear results and dry: in the time that fruit ear subtending leaf turns Huang, collect fruit ear, the harvest time of sowing in spring is in June 5, summer sowingAutumn sowing was transported to threshing ground by fruit ear after each results and spread airing out December 20 harvest time September 5 harvest time,The ulking thickness of fruit ear is 35cm.
Before airing, the ground on smooth described threshing ground, with the cement concrete hardened ground of thickness 6cm, described threshing ground comprises bambooThe chevron shaped frame that pole is barricaded as, the longitudinal section of described chevron shaped frame is triangle, leg-of-mutton top to the distance on base is3.5m, described bottom side length 6m, the bottom of described chevron shaped frame is square, its width is 6m, in described bottom, the end of withThe length on limit and the cultivated area of corn that limit is adjacent are directly proportional, and are 1.5 hectares according to cultivated area, and length is set to 7.5m,Top and the fixing cladding thickness of surrounding at described chevron shaped frame are 10 × 10-5The film of m.
Until fruit ear, in described threshing ground, airing is to water content 50% time, and the subtending leaf of peelling off fruit ear with peeling machine obtains cornRod, by air-dry corn ear 4 days, turning during this time 2 times, 25% time, obtained corn with maize sheller threshing to water contentParticle is exposed to the sun corn particle in described threshing ground, in the process of being exposed to the sun, by air blast air blast, is exposed to the sun after 5 days, turns over during this timePile 3 times, sell to the pack 13% time of the water content of corn particle.
Embodiment 4
1) select corn variety: select breeding time short and at all jade of energy dense planting of spring, summer and autumn in Nanning areas to the southRice kind Zheng Dan 958.
2) sowing: sow in spring to be chosen in and carry out February, summer sowing is chosen in to be carried out June, and autumn sowing is chosen in to be carried out September, maize seedThe planting density of son is 60,000 strains/hm2。
Corn seed is the pretreated corn seed of process, and pretreated method is:
After corn seed is soaked to 10min with cold water, put into 50 DEG C of hot water, do not stop to stir, stir 20min, keep during this timeWater temperature is at 50 DEG C, after while water temperature being dropped to 25 DEG C with the speed of 5 DEG C/min, seed is pulled out;
Then by the corn seed of pulling out, be placed in the silk fibroin protein solution of 20mg/L, after 28 DEG C of seed soaking 3h, pull out,After rinsing with clear water, dry, complete pretreatment.
It is 90cm that spring sowing, summer sowing and autumn sowing all adopt wide line space, two strain seeding methods that narrow row spacing is 40cm, and twoStrain is one group, and the spacing between adjacent two groups is 42cm.
3) field management: each after planting disposable employed composite fertilizer is in the adjacent centre position of two groups, the institute using at every turnThe content of stating nitrogen in composite fertilizer is 230kg/hm2、P2O5Content be 115kg/hm2、K2The content of O is 115kg/hm2。
When female fringe enters elongating stage, evenly mix with 700 times of liquid of 20% fenvalerate missible oil 5ml and 50% wettable carbendazimAfter, by 70kg/hm2Spray.
4) fruit ear results and dry: in the time that fruit ear subtending leaf turns Huang, collect fruit ear, the harvest time of sowing in spring, summer sowing was gathered in the crops in JuneAutumn sowing was transported to threshing ground by fruit ear after each results and spread airing out in December harvest time in September phase, and the accumulation of fruit ear is thickDegree is 30cm.
Before airing, the ground on smooth described threshing ground, with the cement concrete hardened ground of thickness 5cm, described threshing ground comprises bambooThe chevron shaped frame that pole is barricaded as, the longitudinal section of described chevron shaped frame is triangle, leg-of-mutton top to the distance on base is3.5m, described bottom side length 6m, the bottom of described chevron shaped frame is square, its width is 6m, in described bottom, the end of withThe length on limit and the cultivated area of corn that limit is adjacent are directly proportional, and length is set to 5m/hm2, at described chevron shaped frameThe fixing cladding thickness of top and surrounding is 8 × 10-5The film of m.
Until fruit ear, in described threshing ground, airing is to water content 40% time, and the subtending leaf of peelling off fruit ear with peeling machine obtains cornRod, by air-dry corn ear 3 days, turning during this time 2 times, 20% time, obtained corn with maize sheller threshing to water contentParticle is exposed to the sun corn particle in described threshing ground, in the process of being exposed to the sun, by air blast air blast, is exposed to the sun after 4 days, turns over during this timePile 2 times, sell to the pack 10% time of the water content of corn particle.
Embodiment 5
1) select corn variety: select breeding time short and at all jade of energy dense planting of spring, summer and autumn in Nanning areas to the southRice kind Zheng Dan 958.
2) sowing: sow in spring to be chosen in and carry out February, summer sowing is chosen in to be carried out June, and autumn sowing is chosen in to be carried out September, maize seedThe planting density of son is 7.2 ten thousand strains/hm2。
Corn seed is the pretreated corn seed of process, and pretreated method is:
After corn seed is soaked to 10min with cold water, put into 50 DEG C of hot water, do not stop to stir, stir 20min, keep during this timeWater temperature is at 50 DEG C, after while water temperature being dropped to 33 DEG C with the speed of 8 DEG C/min, seed is pulled out;
Then by the corn seed of pulling out, be placed in the silk fibroin protein solution of 30mg/L, after 33 DEG C of seed soaking 4h, pull out,After rinsing with clear water, dry, complete pretreatment.
It is 90cm that spring sowing, summer sowing and autumn sowing all adopt wide line space, two strain seeding methods that narrow row spacing is 40cm, and twoStrain is one group, and the spacing between adjacent two groups is 51cm.
3) field management: each after planting disposable employed composite fertilizer is in the adjacent centre position of two groups, the institute using at every turnThe content of stating nitrogen in composite fertilizer is 230kg/hm2、P2O5Content be 115kg/hm2、K2The content of O is 115kg/hm2。
When female fringe enters elongating stage, evenly mix with 700 times of liquid of 20% fenvalerate missible oil 7ml and 50% wettable carbendazimAfter, by 85kg/hm2Spray.
4) fruit ear results and dry: in the time that fruit ear subtending leaf turns Huang, collect fruit ear, the harvest time of sowing in spring, summer sowing was gathered in the crops in JuneAutumn sowing was transported to threshing ground by fruit ear after each results and spread airing out in December harvest time in September phase, and the accumulation of fruit ear is thickDegree is 35cm.
Before airing, the ground on smooth described threshing ground, with the cement concrete hardened ground of thickness 8cm, described threshing ground comprises bambooThe chevron shaped frame that pole is barricaded as, the longitudinal section of described chevron shaped frame is triangle, leg-of-mutton top to the distance on base is3.5m, described bottom side length 6m, the bottom of described chevron shaped frame is square, its width is 6m, in described bottom, the end of withThe length on limit and the cultivated area of corn that limit is adjacent are directly proportional, and length is set to 5m/hm2, at described chevron shaped frameThe fixing cladding thickness of top and surrounding is 15 × 10-5The film of m.
Until fruit ear, in described threshing ground, airing is to water content 60% time, and the subtending leaf of peelling off fruit ear with peeling machine obtains cornRod, by air-dry corn ear 5 days, turning during this time 3 times, 30% time, obtained corn with maize sheller threshing to water contentParticle is exposed to the sun corn particle in described threshing ground, in the process of being exposed to the sun, by air blast air blast, is exposed to the sun after 6 days, turns over during this timePile 3 times, sell to the pack 16% time of the water content of corn particle.
Embodiment 6
1) select corn variety: select breeding time short and at all jade of energy dense planting of spring, summer and autumn in Nanning areas to the southRice kind Zheng Dan 958.
2) sowing: sow in spring to be chosen in and carry out February, summer sowing is chosen in to be carried out June, and autumn sowing is chosen in to be carried out September, maize seedThe planting density of son is 70,000 strains/hm2。
Corn seed is the pretreated corn seed of process, and pretreated method is:
After corn seed is soaked to 10min with cold water, put into 50 DEG C of hot water, do not stop to stir, stir 20min, keep during this timeWater temperature is at 50 DEG C, after while water temperature being dropped to 25～33 DEG C with the speed of 6 DEG C/min, seed is pulled out;
Then by the corn seed of pulling out, be placed in the silk fibroin protein solution of 25mg/L, after 30 DEG C of seed soaking 3h, pull out,After rinsing with clear water, dry, complete pretreatment.
It is 90cm that spring sowing, summer sowing and autumn sowing all adopt wide line space, two strain seeding methods that narrow row spacing is 40cm, and twoStrain is one group, and the spacing between adjacent two groups is 45cm.
3) field management: each after planting disposable employed composite fertilizer is in the adjacent centre position of two groups, the institute using at every turnThe content of stating nitrogen in composite fertilizer is 230kg/hm2、P2O5Content be 115kg/hm2、K2The content of O is 115kg/hm2。
When female fringe enters elongating stage, evenly mix with 700 times of liquid of 20% fenvalerate missible oil 6ml and 50% wettable carbendazimAfter, by 75kg/hm2Spray.
4) fruit ear results and dry: in the time that fruit ear subtending leaf turns Huang, collect fruit ear, the harvest time of sowing in spring, summer sowing was gathered in the crops in JuneAutumn sowing was transported to threshing ground by fruit ear after each results and spread airing out in December harvest time in September phase, and the accumulation of fruit ear is thickDegree is 32cm.
Before airing, the ground on smooth described threshing ground, with the cement concrete hardened ground of thickness 6cm, described threshing ground comprises bambooThe chevron shaped frame that pole is barricaded as, the longitudinal section of described chevron shaped frame is triangle, leg-of-mutton top to the distance on base is3.5m, described bottom side length 6m, the bottom of described chevron shaped frame is square, its width is 6m, in described bottom, the end of withThe length on limit and the cultivated area of corn that limit is adjacent are directly proportional, and length is set to 5m/hm2, at described chevron shaped frameThe fixing cladding thickness of top and surrounding is 10 × 10-5The film of m.
Until fruit ear, in described threshing ground, airing is to water content 50% time, and the subtending leaf of peelling off fruit ear with peeling machine obtains cornRod, by air-dry corn ear 4 days, turning during this time 2 times, 25% time, obtained corn with maize sheller threshing to water contentParticle is exposed to the sun corn particle in described threshing ground, in the process of being exposed to the sun, by air blast air blast, is exposed to the sun after 5 days, turns over during this timePile 3 times, sell to the pack 13% time of the water content of corn particle.
For effect of the present invention is described, inventor selects 2 each side conditions identical in In Nanning Area, be 1 hectarePlot number consecutively is a group, b group, plants maize planting product in a group in b group according to the method for embodiments of the invention 3Kind for honest 619, and do not adopt threshing ground airing, only adopt commonsense method airing, all the other are identical with embodiments of the invention 3,But in a group, do not have enough time to carry out summer sowing because the harvest time of sowing in spring is long, only carried out spring sowing and autumn sowing, plant and measure two after 1 yearGroup corn yield and mould variability are as follows:
Table 1 corn growth measurement result
As can be seen from Table 1, owing to adopting threshing ground airing in b group, mould variability reduces greatly, selects corn variety simultaneouslyFor Zheng Dan 958, finally make output far above a group, and it is three ripe to have realized a year of corn.
Although embodiment of the present invention are open as above, it is not restricted to listed fortune in description and embodimentWith, it can be applied to various applicable the field of the invention completely, for those skilled in the art, and can be easilyRealize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention does not limitIn specific details with illustrate here and the embodiment describing.
Claims (7)
1. an implantation methods for corn, is characterized in that, comprises the following steps:
1) select corn variety: select short corn variety breeding time in Nanning areas to the south, described corn variety the spring,The all energy dense planting of summer and autumn;
2) sowing: sow in spring to be chosen in and carry out February, summer sowing is chosen in to be carried out June, and autumn sowing is chosen in to be carried out September, maize seedThe planting density of son is 60,000～7.2 ten thousand strains/hm2；
3) field management: disposable employed composite fertilizer after planting at every turn, in the described composite fertilizer at every turn using, the content of nitrogen is 230kg/hm2、P2O5Content be 115kg/hm2、K2The content of O is 115kg/hm2；
4) fruit ear results and dry: in the time that fruit ear subtending leaf turns Huang, collect fruit ear, the harvest time of sowing in spring, summer sowing was gathered in the crops in JuneAutumn sowing was transported to threshing ground by fruit ear after each results and spread airing out in December harvest time in September phase, and the accumulation of fruit ear is thickDegree is 30～35cm;
Before airing, the ground on smooth described threshing ground, with the cement concrete hardened ground of thickness 5～8cm, described threshing ground bagDraw together the chevron shaped frame that bamboo pole is barricaded as, the longitudinal section of described chevron shaped frame is triangle, and leg-of-mutton top is to the distance on baseFrom being 3.5m, described bottom side length 6m, the bottom of described chevron shaped frame is square, its width is 6m, in described bottom,The length on the limit adjacent to base and the cultivated area of corn are directly proportional, and its length is set to 5m/hm2, described chevron shapedThe fixing cladding thickness of the top of frame and surrounding is 8 × 10-5～15×10-5The film of m;
Until fruit ear, in described threshing ground, airing is to water content 40～60% time, and the subtending leaf of peelling off fruit ear with peeling machine obtains jadeRice rod, by air-dry corn ear 3～5 days, 20～30% time, obtains corn particle with maize sheller threshing to water content,Corn particle is exposed to the sun in described threshing ground, in the process of being exposed to the sun, by air blast air blast, is exposed to the sun after 4～6 days, to corn particleWater content sell in 10～16% time packs.
2. the implantation methods of corn as claimed in claim 1, is characterized in that, described step 1) select in corn varietyCorn variety be Zheng Dan 958.
3. the implantation methods of corn as claimed in claim 2, is characterized in that, described step 2) sowing in sow in spring, the summerBroadcasting and all adopting wide line space with autumn sowing is 90cm, two strain seeding methods that narrow row spacing is 40cm, and two strain is one group, phaseSpacing between adjacent two groups is 42～51cm.
4. the implantation methods of corn as claimed in claim 3, is characterized in that, described step 3) field management: eachWhen sowing, disposable employed composite fertilizer is in the adjacent centre position of two groups.
5. the implantation methods of corn as claimed in claim 4, is characterized in that, described step 4) fruit ear results and dryMiddle by air-dry corn ear 3～5 days and be exposed to the sun 4～6 days during, all need turning 2～3 times.
6. the implantation methods of corn as claimed in claim 1, is characterized in that, described step 3) during field management,When female fringe enters elongating stage, evenly mix with 700 times of liquid of 20% fenvalerate missible oil 5～7ml and 50% wettable carbendazimAfter, by 70～85kg/hm2Spray.
7. the implantation methods of corn as claimed in claim 6, is characterized in that, described step 2) sowing corn seedFor the pretreated corn seed of process, pretreated method is:
After corn seed is soaked to 10min with cold water, put into 50 DEG C of hot water, do not stop to stir, stir 20min, keep during this timeWater temperature is at 50 DEG C, after while water temperature being dropped to 25～33 DEG C with the speed of 5～8 DEG C/min, described corn seed is pulled out;
Then the corn seed of pulling out is placed in to the silk fibroin protein solution of 20～30mg/L, after 28～33 DEG C of seed soaking 3～4hPull out, after rinsing with clear water, dry, complete pretreatment.
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