CN104838855A - Planting method of green sweet corns - Google Patents
Planting method of green sweet corns Download PDFInfo
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Abstract
The invention provides a planting method of green sweet corns. The planting method comprises the following steps: preparing before sowing seeds: the environment accumulated temperature is controlled to be more than 1800 DEG C, the pH value of irrigation water is controlled to be 5.5-8.5, the pH value of soil is controlled to be 6.5-8, and the total suspended particulate matters in the air is lower than 0.3mg/m<3>; selecting the seeds of the sweet corns, and uniformly spraying by adopting acetochlor missible oil after sowing the seeds to remove weeds; after applying a composted farm organic fertilizer, irrigating during a sweet corn growth period by using the irrigation water for a plurality of times; combining any one or more methods of a sex attractant, sugar and vinegar liquid and a frequency vibrating lamp to carry out physical prevention and treatment insect pests; and after the sweet corns grow up, harvesting. The planting method has the advantages of pure green and pollution-free planting, a lot of organic matters in the soil and small pesticide residues, and no soil hardening; the obtained green sweet corns have the advantages of no pesticide residues, sweet mouth feel, abundant nutrition and full and complete appearance granularity.
Description
Technical field
The present invention relates to proportion of crop planting field, in particular to a kind of implantation methods of green sweet corn.
Background technology
Sweet corn is a kind of super-sweet corn being applicable to eating something rare, and blue or green rod stage skin is thin, juice is many, matter is crisp and sweet, can directly eat something rare; very thin epidermis is once stinging brokenly, and the juice of delicate fragrance overflows tooth cheek, eat something rare ripe eat sweet all especially, crisp especially; as fruit, be therefore called as " fruit corn ".Fruit corn has a large amount in variety, and all has very high nutritive value.Because be with recessive gene kind is different, be divided into again common sweet corn (gene Shl), super-sweet corn (gene Sh2) and strengthen sweet corn (gene Su, Se etc.).Seed endosperm major part is cutin starch, seed shrinkage after dry, the hard shape that is translucent, milk ripe stage seed sugar content reach 15%-30%, be generally used for and eat raw and make can.
Nowadays, all operate without unified standardization from soil selection, environmental selection, fertilising and the extermination of disease and insect pest in the planting process of sweet corn, fertilizer more options can promote it to grow fast but human body be had to the chemical fertilizer of very large harm, also adopting chemical control in extermination of disease and insect pest process more, avoiding by spraying insecticide insect pest to the erosion of corn.These mode not only not environmental protections above, but also the noxious material that can make residues in sweet corn, causes great harm to human body, the soil after plantation sweet corn also easily hardens, and needs long-term soil of administering just can improve.
In view of this, special proposition the present invention.
In prior art, sweet corn does not have unified standardization flow process in planting process, any preparation can not be carried out before the planting, require also more random, as long as sowing just can be started to the season of sowing, selecting of irrigation water is not comprised to the environment of surrounding, the degree of purification of soil and air does too much requirement, poisonous glyphosate is mostly adopted to apply in seeding process, if this weed killer herbicide remains in sweet corn, the normal level of hepatic glycogen can be reduced after the mankind eat, raise the normal lactate level of muscle and liver, even also can cause various respiratory disease, therefore this weed killer herbicide is very large to the harm of the health of the mankind.
In addition, in prior art when applying fertilizer, large is main mainly with using chemical fertilizer, fast, the fertile strength of the most fertilizer efficiency of this kind of fertilizer is violent, but not containing organic, chronic administration can cause soil compaction, not environmental protection, too much also can impact environment and crop itself to fertilize, also and then can affect the health of the mankind during follow-up mankind food crop.During same pest control, also mostly adopt chemicals pest control, some chemical agent has severe toxicity, not only causes the severe contamination of environment, works the mischief simultaneously to health, and the agricultural chemicals therefore should prohibited is mainly as follows: acephatemet, orthene, Furadan, 3911, Soviet Unionization 203, 1605, parathion-methyl, 1059, chlorfenvinpho, nuvacron, phosphamidon, isothioate, trithion, flolimat, zinc phosphide, aluminum phosphate, cyanide, Fluorakil 100, arsenic, galecron, ethylmercuric cloride, phenylmercuric acetate, ulcer is clean, penta sodium pentachlorophenate, chloropicrin, nemagon, 401, isocarbophos, height oozes quinalphos, the former medicine of Methomyl, first of rattling away missible oil, methamidophos, hexachlorcyclohexane, the spirit of worm magnetic, dichlorodiphenyl trichloroethane, speed is gone out fear, ethylene dibromide, first first phosphorus, Niran, efficient phosphorus, oppose withered two, the fear of enemy's first, Pood is red, vest is feared, Pei Fulang, quick-acting phosphamidon, 18% Resistox milk powder, happy amine phosphorus, mercurial, two first horse traction phosphorus, match is red, go out greatly missible oil, ethoprophos, speed amine phosphorus, iron goes out gram, amine permethrin, speed is slaughtered, enemy's missible oil of a specified duration, speed a red-spotted lizard gram, enemy's first controls missible oil, large wind and thunder, enemy's first missible oil, sulfotep missible oil, nitrone missible oil, height oozes omethoate, kill snout moth's larva to go out missible oil, synergy acephatemet, red chloro milk oil, quinalphos, oxydone, Foliamidophos.These agricultural chemicals should be applied on crop in no instance.
In order to solve above technical problem of the prior art, embodiments provide a kind of implantation methods of green sweet corn, this implantation methods has carried out sufficient preparation first prior to seeding, environment accumulated temperature need control more than 1800 DEG C, the pH value of irrigation water need control between 5.5-8.5, P in soil H value need control between 6.5-8, and total Suspended Particle in The Air need control at 0.3mg/m
3below.Wherein, so-called accumulated temperature refers to: for different crops and its different developmental phases, require different temperature just can come into play, this daily mean temperature come into play biological zero point, higher than the summation of the daily mean temperature of biological zero point active accumulated temperature.So under this accumulated temperature Con trolling index, be more conducive to the growth of sweet corn, the pH value of irrigating water used and soil in addition also has concrete requirement, if the excessive too small i.e. too sour too alkali of pH value all can be unfavorable for the growth of crop.Finally, the control of the clean level of air effectively can control the remaining quantity of the Harmful Residue after its crop maturity, can therefore these indexs be all most important, be to be related to the key point of sweet corn that grow this sweet mouthfeel of the present invention, the pure green of full grains.Therefore further, before sowing in set-up procedure, mercury in soils content controls at below 0.3mg/kg, and cadmium content controls at below 0.3mg/kg, and the chemical oxygen demand of described irrigation water controls at below 150mg/L.Under the restrictive condition of these indexs, can promote growing up strong and sturdy of seedling, the sensory effects such as mouthfeel, color and luster of fruit is all good.
In the present invention, carrying out after planting, the creationary weed killer herbicide having selected this environmental protection of acetochlor ec, instead of the glyphosate that prior art is conventional, this weed killer herbicide can be absorbed by weeds young shoot and young root, suppress the synthesis of weeds protein, make weeds dead, but sweet corn can very fast metabolism not have remaining after absorbing, thus reach the object removed weeds and protected seedling, without any harm, abundant environmental protection.Preferred, described acetochlor ec is mixed with the solution that mass percent concentration is 50-60% in advance, according to 1500-1600ml/hm
2consumption apply, in order to prevent its acetochlor ec concentration excessive, uneconomical environmental protection also can cause waste, is therefore preferably diluted, and per hectare soil carries out applying can meet the demands according to the consumption of the solution of 1500-1600ml.
In the present invention, select the farmyard manure fully become thoroughly decomposed during fertilising, this farmyard manure is rich in organic matter, and its consumption is preferably 15000-16000kg/hm
2, then the mass percentage content of the organic matter in soil can reach more than 1%.Use the not only environmental protection of this farmyard manure, not entail dangers to human health, and to crop and soil all beneficial, avoid the remaining of the Harmful Residue in crop, can also fertile soil be kept, while giving crop fertilizer, also have certain governance role to soil.
What concrete needs illustrated is, the present invention mainly adopts the method for physical control insect pest, and avoid using toxic chemical medicament, concrete physical control means can adopt any one or a few methods combining in gyplure, sugar-vinegar liquid, frequency vibration lamp, insect main on corn has corn borer, black cutworm and two spotted spider mite, and wherein, gyplure utilizes individual insect produce reaction to sex pheromone and killed, offspring can not be produced, therefore non-resistant produces.Have selectivity, can not work the mischief to beneficial insect, natural enemy, sugar-vinegar liquid is by brown sugar, vinegar, water mixing, and then also can mix a certain amount of agricultural chemicals and kill luring the insect come, this method is simple to operate and effective, can not cause any pollution to environment.The feature of the light that becomes that frequency vibration lamp mainly utilizes insect stronger, the ripple that becomes, the look that becomes, taxis information, lures adult to flutter lamp, and be equipped with frequency ventilating type high-voltage fence outside lamp and tag and fall into mesh bag, turn on light in the evening automatically, and daytime turns off the light automatically.Above three kinds of methods are well combined and can realize good physical control.
In order to strengthen pest control, while carrying out physical control insect pest, be also equipped with chemical control insect pest, chemical control insect pest medicament used is preferably one or more in malathion, chlorophos and phoxim, tries not to use poisonous agricultural chemicals.In addition, biological control, i.e. conservation and utilization Field Pests natural enemy is also had, kill pests.Utilize oophagous trichogrammae control of maize snout moth's larva.Also be equipped with cultural control, select disease-resistant variety, efficent rotation rotates crops, and in time eliminates previous crops stubble and worn-out agricultural film, prevents and reduces larva or worm's ovum is survived the winter, and cultivates without damage by disease and insect strong sprout; Proper seeding, makes growth avoid the damage by disease and insect high-incidence season.Combined by above several prevention and controls and can reach good pest control effect.
Finally, when gathering, gather after preferably selecting the 20-28d after sweet corn is weaved silk, if now corn just the ripe time excessively of a specified duration, the mouthfeel of sweet corn itself may be had influence on.Also comprise the step of storage after gathering, the temperature of storage controls at 2-4 DEG C, and the time controling of storage is at below 3d.Be more conducive to the storage of sweet corn under this condition, and unsuitable long between storage, and it is also more fragrant and more sweet that fresh sweet corn carries out being processed into finished product mouthfeel.
The embodiment of the present invention additionally provides a kind of green sweet corn utilizing the implantation methods of above-mentioned green sweet corn to plant out, and its moisture mass percent of this green sweet corn is between 80-90%, and the mass percentage content of the Harmful Residue is below 0.001%.The green sweet corn not only environmental protection adopting above-mentioned implantation methods to plant out, basic non agricultural chemical residuum, and sweet mouthfeel full grains, water content is high, and these advantages are all that the common sweet corn that the implantation methods of prior art obtains is incomparable.
Compared with prior art, beneficial effect of the present invention is:
(1) implantation methods of green sweet corn of the present invention is simple, unified standardized data has all been formulated in the requirement that preparation before sowing in early stage comprises soil, irrigation water and environment, to make the sweet corn green non-pollution that obtains and mouthfeel, color and luster all good;
(2) the present invention mainly adopts physical control in extermination of disease and insect pest process, and other prevention and controls coordinate, and avoids using toxic pesticides, abundant environmental protection;
(3) farm organic fertilizer become thoroughly decomposed mainly is used in fertilising, and to ensure that the mass percentage content of the organic matter in soil can reach more than 1%, promote growing up strong and sturdy of sweet corn, quality is more excellent;
(4) the creationary weed killer herbicide having selected this environmental protection of careless amine missible oil of weed killer herbicide, this weed killer herbicide can be absorbed by weeds young shoot and young root, suppress the synthesis of weeds protein, make weeds dead, but can very fast metabolism not have remaining after sweet corn absorbs, thus reach the object removed weeds and protected seedling, and without any harm, abundant environmental protection;
(5) the moisture mass percent of green sweet corn obtained by implantation methods of the present invention is between 80-90%, the mass percentage content of the Harmful Residue is below 0.001%, and sweet mouthfeel full grains, water content is high, green non-pollution, containing nutritive elements such as rich in protein, fat, vitamin, trace element, cellulose and polysaccharide.
(6) cost is reduced by using farm organic fertilizer, fertilizer 700 yuan/hm
2, chemical fertilizer 4800 yuan/hm
2, and the more common implantation methods of implantation methods of the present invention can realize volume increase 20%, and owing to not needing to apply agricultural chemicals and chemical fertilizer in a large number, human cost also reduces accordingly, the whole Maize Production cycle always use number 186 work day/hm
2, by average 80 yuan of calculating on each work day, labor cost is only 14880 yuan/hm
2.
Summary of the invention
The first object of the present invention is the implantation methods providing a kind of green sweet corn, and the implantation methods of described green sweet corn has in the plantation of pure green non-pollution, soil and is rich in a large amount of organic and residue of pesticide are little, can not cause the advantages such as soil compaction.
The second object of the present invention is the green sweet corn providing a kind of above-mentioned implantation methods to obtain, and this green sweet corn has the full advantage such as neatly of non agricultural chemical residuum, sweet mouthfeel, nutritious and outward appearance granularity.
In order to realize above-mentioned purpose of the present invention, spy by the following technical solutions:
Embodiments provide a kind of implantation methods of green sweet corn, comprise the steps:
(A) prepare before sowing: environment accumulated temperature controls more than 1800 DEG C, and the pH value of irrigation water controls between 5.5-8.5, and P in soil H value controls between 6.5-8, and total Suspended Particle in The Air controls at 0.3mg/m
3below;
(B) select the seed of sweet corn to sow, after planting adopt acetochlor ec evenly to spray in order to weeding;
(C), after the farm organic fertilizer become thoroughly decomposed being used, adopt irrigation water to irrigate repeatedly at sweet corn growing period, and adopt any one or a few methods combining in gyplure, sugar-vinegar liquid, frequency vibration lamp to carry out physical control insect pest;
(D) treat that sweet corn is ripe, gather.
Embodiment
Below in conjunction with embodiment, embodiment of the present invention are described in detail, but it will be understood to those of skill in the art that the following example only for illustration of the present invention, and should not be considered as limiting the scope of the invention.Unreceipted actual conditions person in embodiment, the condition of conveniently conditioned disjunction manufacturer suggestion is carried out.Agents useful for same or the unreceipted production firm person of instrument, be and can buy by commercially available the conventional products obtained.
Embodiment 1
The implantation methods of green sweet corn is as follows:
1) first plough, comprise subsoiling, dig, except operations such as stubble-cleanings, carry out wholely behind arable land, before broadcasting after namely ploughing to top layer (topsoil) soil carry out ravel, making ridge, the operation such as smooth, suppression, after finally completing wholely, according to the line of 1m marker, adopt 75cm mulch film, by 50cm line-spacing overlay film, require that film limit pressure is tight, film suspensorium, rolls with press mold device more afterwards, heats, preserves soil moisture to reach, the effect of weeding;
2) preparation before sowing: Environment is good, there is no Industrial " three Waste " and urban life, agricultural producing areas that Biohazard Waste is polluted, wherein, accumulated temperature need more than 1800 DEG C, the soil layer of soil is deep, draining is good, and pH value controls between 6.5-8, and the overall suspended pellet in air controls at 0.3mg/m
3below, the pH value of irrigation water controls, between 5.5-8.5, to meet irrigation conditions;
3) select dedicated water fruit type Sweet corn variety as varieties of plant, smooth in physical features, organic matter is abundant, soil layer is deep, fertility is higher, and irrigation and drainage easily plot are planted, and sweet corn and other corn variety isolation distances are no less than 300m, at least 25d is differed with other corn variety dates of seeding during the isolation of employing time, after seed is chosen carefully, and carry out airing and germination test, use seed-dressing agent special Cotton seeds;
4) sow: when the per day ground temperature of 5cm soil plough horizon is stable by sowing suitable when 12 DEG C, seed level is 2.5cm-5cm, sand soil seed level about 5cm, cohesive soil seed level about 2.5cm, loam seed level is between sand, clay, and density of reserved seedlings is generally 6.8 ten thousand strains/hm
2-7.5 ten thousand strains/hm
2, with dibbling rifle along film-pressing line program request, determine row program request on the left of film, comparatively empty half acupuncture point, left side on the right side of film, such both sides three just in time form an equilateral triangle between cave.On dibbling rifle, cave distance is fixed as scale: 6.8 ten thousand strains/hm with thin wire
2cave apart from being 29.6cm, 7.5 ten thousand strains/hm
2cave apart from being 26.6cm; After planting cover tightly the dibbling hole on film, in case walk wind effect Meteorological effect effect, and then slightly suppress, ensure that one broadcasts full stand;
5) after planting, acetochlor ec is adopted evenly to spray in order to weeding, then after the farm organic fertilizer become thoroughly decomposed being used, when 7-8 leaf before head water 5d film side ditching, holing, per hectare imposes urea 450kg, take out male before 5d film side ditching, holing before 10d i.e. two water, per hectare imposes urea 600kg;
6) pour water: sweet corn is with fresh tes juice of gathering for final products, and therefore comparatively can fill with 1 water less by conventional corn, the time of infertility need pour water 3-4 time.Clayed soil 3 times, sand soil 4 times.Need seedling stage water few, reach with soil moisture content requirement of emerging and be as the criterion; Start light weight at jointing to pour water; Booting, ear, bloom, moisture that the pustulation period makes soil conservation abundance;
7) extermination of disease and insect pest: according to insect biological property, takes the adult of the insects such as method trapping corn borer such as gyplure, sugar-vinegar liquid, frequency vibration lamp.
8) collecting time is determined by observing trial test, and general suitable receipts phase 20d-28d after weaving silk is advisable.Pluck and usually carry out in the morning, first spot-check several fruit ear and observe, the fruit ear results selecting filigree, bract color and luster consistent, press intact degree, the size fractionation of fruit ear simultaneously.Reserve temperature is between 2 DEG C-4 DEG C, and the time is no more than 3d, and its moisture mass percent is between 75% after testing for the green sweet corn obtained, and the mass percentage content of the Harmful Residue is 0.002%, and corn particle is full, sweet mouthfeel.
Embodiment 2
The implantation methods of green sweet corn is as follows:
1) first plough, comprise subsoiling, dig, except operations such as stubble-cleanings, carry out wholely behind arable land, before broadcasting after namely ploughing to top layer (topsoil) soil carry out ravel, making ridge, the operation such as smooth, suppression, after finally completing wholely, according to the line of 1m marker, adopt 75cm mulch film, by 50cm line-spacing overlay film, require that film limit pressure is tight, film suspensorium, rolls with press mold device more afterwards, heats, preserves soil moisture to reach, the effect of weeding;
2) preparation before sowing: Environment is good, there is no Industrial " three Waste " and urban life, agricultural producing areas that Biohazard Waste is polluted, wherein, accumulated temperature need more than 1800 DEG C, and the soil layer of soil is deep, and draining is good, mercury content controls at below 0.3mg/kg, cadmium content controls at below 0.3mg/kg, and pH value controls between 6.5-8, and the overall suspended pellet in air controls at 0.3mg/m
3below, the chemical oxygen demand of irrigation water controls at below 150mg/L, and pH value controls, between 5.5-8.5, to meet irrigation conditions;
3) select dedicated water fruit type Sweet corn variety as varieties of plant, smooth in physical features, organic matter is abundant, soil layer is deep, fertility is higher, and irrigation and drainage easily plot are planted, and sweet corn and other corn variety isolation distances are no less than 300m, at least 25d is differed with other corn variety dates of seeding during the isolation of employing time, after seed is chosen carefully, and carry out airing and germination test, use seed-dressing agent special Cotton seeds;
4) sow: when the per day ground temperature of 5cm soil plough horizon is stable by sowing suitable when 12 DEG C, seed level is 2.5cm-5cm, sand soil seed level about 5cm, cohesive soil seed level about 2.5cm, loam seed level is between sand, clay, and density of reserved seedlings is generally 6.8 ten thousand strains/hm
2-7.5 ten thousand strains/hm
2, with dibbling rifle along film-pressing line program request, determine row program request on the left of film, comparatively empty half acupuncture point, left side on the right side of film, such both sides three just in time form an equilateral triangle between cave.On dibbling rifle, cave distance is fixed as scale: 6.8 ten thousand strains/hm with thin wire
2cave apart from being 29.6cm, 7.5 ten thousand strains/hm
2cave apart from being 26.6cm; After planting cover tightly the dibbling hole on film, in case walk wind effect Meteorological effect effect, and then slightly suppress, ensure that one broadcasts full stand;
5) after planting, acetochlor ec is mixed with in advance the solution that mass percent concentration is 50%, according to 1500ml/hm
2consumption evenly apply in order to weeding, then by the farm organic fertilizer that becomes thoroughly decomposed according to 15000kg/hm
2after using, the mass percentage content of the organic matter now in soil can reach 1%, base fertilizer is based on to fertilize: per hectare combines spring ploughing deep placement diammonium phosphate 225kg, potassium sulfate 120kg, urea 120kg, then when 7-8 leaf, before head water, 5d film side ditching, holing topdresses, per hectare imposes urea 450kg, take out male before 5d film side ditching, holing before 10d i.e. two water, per hectare imposes urea 600kg;
6) pour water: sweet corn is with fresh tes juice of gathering for final products, and therefore comparatively can fill with 1 water less by conventional corn, the time of infertility need pour water 3-4 time.Clayed soil 3 times, sand soil 4 times.Need seedling stage water few, reach with soil moisture content requirement of emerging and be as the criterion; Start light weight at jointing to pour water; Booting, ear, bloom, moisture that the pustulation period makes soil conservation abundance;
7) extermination of disease and insect pest: according to insect biological property, takes the adult of the insects such as method trapping corn borer such as gyplure, sugar-vinegar liquid, frequency vibration lamp; Chemical control: use malathion to carry out a small amount of sprinkling and prevent and treat in order to coordinate;
8) collecting time is determined by observing trial test, and general suitable receipts phase 20d-28d after weaving silk is advisable.Pluck and usually carry out in the morning, first spot-check several fruit ear and observe, the fruit ear results selecting filigree, bract color and luster consistent, press intact degree, the size fractionation of fruit ear simultaneously.Reserve temperature is between 2 DEG C-4 DEG C, time is no more than 3d, the green sweet corn obtained after testing its moisture mass percent between 80-90%, the mass percentage content of the Harmful Residue is below 0.001%, corn particle is full, sweet mouthfeel, soil is still fertile, and the content of organic matter is higher.
Embodiment 3
The implantation methods of green sweet corn is as follows:
1) first plough, comprise subsoiling, dig, except operations such as stubble-cleanings, carry out wholely behind arable land, before broadcasting after namely ploughing to top layer (topsoil) soil carry out ravel, making ridge, the operation such as smooth, suppression, after finally completing wholely, according to the line of 1m marker, adopt 75cm mulch film, by 50cm line-spacing overlay film, require that film limit pressure is tight, film suspensorium, rolls with press mold device more afterwards, heats, preserves soil moisture to reach, the effect of weeding;
2) preparation before sowing: Environment is good, there is no Industrial " three Waste " and urban life, agricultural producing areas that Biohazard Waste is polluted, wherein, accumulated temperature need more than 1800 DEG C, and the soil layer of soil is deep, and draining is good, mercury content controls at below 0.3mg/kg, cadmium content controls at below 0.3mg/kg, and pH value controls between 6.5-8, and the overall suspended pellet in air controls at 0.3mg/m
3below, the chemical oxygen demand of irrigation water controls at below 150mg/L, and pH value controls, between 5.5-8.5, to meet irrigation conditions;
3) select dedicated water fruit type Sweet corn variety as varieties of plant, smooth in physical features, organic matter is abundant, soil layer is deep, fertility is higher, and irrigation and drainage easily plot are planted, and sweet corn and other corn variety isolation distances are no less than 300m, at least 25d is differed with other corn variety dates of seeding during the isolation of employing time, after seed is chosen carefully, and carry out airing and germination test, use seed-dressing agent special Cotton seeds;
4) sow: when the per day ground temperature of 5cm soil plough horizon is stable by sowing suitable when 12 DEG C, seed level is 2.5cm-5cm, sand soil seed level about 5cm, cohesive soil seed level about 2.5cm, loam seed level is between sand, clay, and density of reserved seedlings is generally 6.8 ten thousand strains/hm
2-7.5 ten thousand strains/hm
2, with dibbling rifle along film-pressing line program request, determine row program request on the left of film, comparatively empty half acupuncture point, left side on the right side of film, such both sides three just in time form an equilateral triangle between cave.On dibbling rifle, cave distance is fixed as scale: 6.8 ten thousand strains/hm with thin wire
2cave apart from being 29.6cm, 7.5 ten thousand strains/hm
2cave apart from being 26.6cm; After planting cover tightly the dibbling hole on film, in case walk wind effect Meteorological effect effect, and then slightly suppress, ensure that one broadcasts full stand;
5) after planting, acetochlor ec is mixed with in advance the solution that mass percent concentration is 60%, according to 1600ml/hm
2consumption evenly apply in order to weeding, then by the farm organic fertilizer that becomes thoroughly decomposed according to 16000kg/hm
2after using, the mass percentage content of the organic matter now in soil can reach 2%, base fertilizer is based on to fertilize: per hectare combines spring ploughing deep placement diammonium phosphate 225kg, potassium sulfate 120kg, urea 120kg, then when 7-8 leaf, before head water, 5d film side ditching, holing topdresses, per hectare imposes urea 450kg, take out male before 5d film side ditching, holing before 10d i.e. two water, per hectare imposes urea 600kg;
6) pour water: sweet corn is with fresh tes juice of gathering for final products, and therefore comparatively can fill with 1 water less by conventional corn, the time of infertility need pour water 3-4 time.Clayed soil 3 times, sand soil 4 times.Need seedling stage water few, reach with soil moisture content requirement of emerging and be as the criterion; Start light weight at jointing to pour water; Booting, ear, bloom, moisture that the pustulation period makes soil conservation abundance;
7) extermination of disease and insect pest: according to insect biological property, takes the adult of the insects such as method trapping corn borer such as gyplure, sugar-vinegar liquid, frequency vibration lamp; Chemical control: use chlorophos and phoxim to carry out spraying on a small quantity preventing and treating in order to coordinate; Cultural control: select disease-resistant variety, efficent rotation rotates crops, and in time eliminates previous crops stubble and worn-out agricultural film, prevents and reduces larva or worm's ovum is survived the winter; Cultivate without damage by disease and insect strong sprout; Proper seeding, makes growth avoid the damage by disease and insect high-incidence season; Biological control: conservation and utilization Field Pests natural enemy, kill pests, utilizes oophagous trichogrammae control of maize snout moth's larva;
8) collecting time is determined by observing trial test, and general suitable receipts phase 20d-28d after weaving silk is advisable.Pluck and usually carry out in the morning, first spot-check several fruit ear and observe, the fruit ear results selecting filigree, bract color and luster consistent, press intact degree, the size fractionation of fruit ear simultaneously.Reserve temperature is between 2 DEG C-4 DEG C, and the time is no more than 3d, and its moisture mass percent is between 80-90% after testing for the green sweet corn obtained, and the mass percentage content of the Harmful Residue is below 0.001%, and corn particle is full, sweet mouthfeel.
Comparative example 1
The implantation methods of sweet corn is substantially identical with the embodiment of the present invention 1 step, just step 5) in adopt glyphosate to carry out weeding; Its moisture mass percent is 50% after testing for the green sweet corn obtained, and the mass percentage content of the Harmful Residue is 0.01%, and ripe corn particle is sparse, and mouthfeel is slightly poor, does not have sweet felling.
Comparative example 2
The implantation methods of sweet corn is substantially identical with the embodiment of the present invention 2 step, just step 5) in concrete fertilising time do not adopt the farm organic fertilizer become thoroughly decomposed, all use chemical fertilizer; Its moisture mass percent is 60% after testing for the green sweet corn obtained, and the mass percentage content of the Harmful Residue is 0.2%, and corn is fragrant and sweet not, and the phenomenon that hardens appears in the soil of having planted corn.
Comparative example 3
The implantation methods of sweet corn is substantially identical with the embodiment of the present invention 3 step, does not just have step 2), namely do not carry out sowing front preparation; Its moisture mass percent is 40% after testing for the green sweet corn obtained, and the mass percentage content of the Harmful Residue is 0.01%, and corn is fragrant and sweet not soft, and particle is sparse, and nutrition is not enriched.
Comparative example 4
The implantation methods of sweet corn is substantially identical with the embodiment of the present invention 3 step, just step 7) in directly adopt the mode of spraying insecticide to carry out the extermination of disease and insect pest; Its moisture mass percent is 60% after testing for the green sweet corn obtained, and the mass percentage content of the Harmful Residue is 1%, and wherein most of the Harmful Residue is pesticide residue, and the corn of planting out is fragrant and sweet not.
Although illustrate and describe the present invention with specific embodiment, however it will be appreciated that can to make when not deviating from the spirit and scope of the present invention many other change and amendment.Therefore, this means to comprise all such changes and modifications belonged in the scope of the invention in the following claims.
Claims (10)
1. an implantation methods for green sweet corn, is characterized in that, comprises the steps:
(A) prepare before sowing: environment accumulated temperature controls more than 1800 DEG C, and the pH value of irrigation water controls between 5.5-8.5, and P in soil H value controls between 6.5-8, and total Suspended Particle in The Air controls at 0.3mg/m
3below;
(B) select the seed of sweet corn to sow, after planting adopt acetochlor ec evenly to spray in order to weeding;
(C), after the farm organic fertilizer become thoroughly decomposed being used, adopt irrigation water to irrigate repeatedly at sweet corn growing period, and adopt any one or a few methods combining in gyplure, sugar-vinegar liquid, frequency vibration lamp to carry out physical control insect pest;
(D) treat that sweet corn is ripe, gather.
2. the implantation methods of a kind of green sweet corn according to claim 1, it is characterized in that, in described step (A), before sowing in set-up procedure, mercury in soils content controls at below 0.3mg/kg, cadmium content controls at below 0.3mg/kg, and the chemical oxygen demand of described irrigation water controls at below 150mg/L.
3. the implantation methods of a kind of green sweet corn according to claim 1, is characterized in that, in described step (B), described acetochlor ec is mixed with the solution that mass percent concentration is 50-60% in advance, according to 1500-1600ml/hm
2consumption apply.
4. the implantation methods of a kind of green sweet corn according to claim 1, is characterized in that, in described step (C), the consumption using the farm organic fertilizer become thoroughly decomposed is 15000-16000kg/hm
2, then the mass percentage content of the organic matter in soil is more than 1%.
5. the implantation methods of a kind of green sweet corn according to claim 1, is characterized in that, in described step (C), while carrying out physical control insect pest, is also equipped with chemical control insect pest.
6. the implantation methods of a kind of green sweet corn according to claim 5, is characterized in that, in described step (C), chemical control insect pest medicament used is one or more in malathion, chlorophos and phoxim.
7. the implantation methods of a kind of green sweet corn according to claim 6, is characterized in that, in described step (C), medicament used is chlorophos and phoxim.
8. the implantation methods of a kind of green sweet corn according to any one of claim 1-7, is characterized in that, in described step (D), gathers after the 20-28d after sweet corn is weaved silk.
9. the implantation methods of a kind of green sweet corn according to any one of claim 1-7, is characterized in that, in described step (D), also comprise the step of storage after gathering, the temperature of storage controls at 2-4 DEG C.
10. the implantation methods of a kind of green sweet corn according to claim 9, it is characterized in that, the time controling of storage is at below 3d.
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