Summary of the invention
The present invention is directed to above deficiency, a kind of hotbed chives implantation methods and special astigmatism cooling thermal radiation regulation and control film thereof be provided, realize following goal of the invention:
1, the quality of hotbed chives is improved;
2, improve hotbed chives per mu yield, make hotbed chives single gather in per mu yield and improve 60%;
3, make to gather in number of times the hotbed chives anniversary and bring up to 3 times, substantially realize year-round supply;
4, improve the stability of canopy internal environment, make interior environment temperature maintain 20-25 DEG C;
5, canopy internal black dark situation is provided, makes sunlight hiding rare reach 99%;
6, the damage by disease and insect incidence of greenhouse culture is reduced.
for achieving the above object, by the following technical solutions:
A kind of hotbed chives implantation methods, described implantation methods comprises overlay film step.
Below the further improvement to technique scheme:
Described overlay film step: after overlay film, control temperature is 20 ~ 25 DEG C.
Described overlay film step: after overlay film, arrange 1 ventilation hole in the side in small sections of a vegetable plot every 1.5m, described ventilation hole place is provided with breather pipe.
Described film is astigmatism cooling thermal radiation regulation and control films, and its sunlight hiding rare is 99%, and its thickness is 120 μm.
Described implantation methods also comprises field planting transplant step, described field planting transplant step: hotbed chives planting density is 60000 plants/acre, and Planting Row Distance is 20cm.
Described implantation methods also comprises first time stock incubation step;
Described first time stock incubation step: field planting, after 1 month, imposes 0.5% urea.
Described implantation methods also comprises step of beginning sowing in good time;
Described step of beginning sowing in good time:
Every mu of sowing quantity 2.7 kilograms, sowing ditch depth 17 ~ 20 centimetres, bottom width 15 ~ 17 centimetres; After planting, blinding 1.2 ~ 1.7cm.
Described implantation methods also comprises seedling management step;
Described seedling management step: before emerging after broadcasting, sprays Amex820 200 ~ 300 times of liquid; After coming up, early stage is every 15d urea 75kg/hm
2water is watered and executes; During height of seedling 14 ~ 16cm, suitably to control water restraining the growth of seedlings, promote strong sprout.
Described implantation methods also comprises the bedding of whole ground, second time stock is cultivated, the production of second time hotbed chives, for the third time hotbed chives production stage;
Described second time stock incubation step: leek is appeared after 5cm, intertillage; Impose decomposed manure, the special dregs of a decoction matrix of hotbed chives, rice husk excrement;
Described second time hotbed chives production stage: number of days of gathering is 15-18 days;
Described third time hotbed chives production stage: number of days of gathering is 12-15 days;
Described whole ground bedding: mu executes the chicken manure 40m become thoroughly decomposed
3/ hm
2, special dregs of a decoction matrix 30m
3/ hm
2, rice husk excrement 20m
3/ hm
2, Nitrogen, Phosphorus and Potassium 1.2t/hm
2;
Described special dregs of a decoction matrix is: Radix Codonopsis: waxgourd peel: Chloranthus glaber: matrimony vine: the stem of noble dendrobium: castor bean: Artemisia anomala: black snake, mixes with the weight ratio of 1:3:2:5:1:2:1:1, decocts the mixing dregs of a decoction after 3 times.
A kind of special astigmatism cooling thermal radiation regulation and control film, the parts by weight of raw materials proportioning of described astigmatism cooling thermal radiation regulation and control film is:
Rutile type titanium white 426 parts
LDPE420 part
LLDPE84 part
TPU9 part
Oleamide 13 parts
Cured 27 parts of PE
Far-infared ceramic powder 20 parts
Carbon black 2 parts.
compared with prior art, technical solution of the present invention has following beneficial effect:
1, adopt implantation methods of the present invention, hotbed chives exterior quality significantly improves, and nutrient composition content is high, and hotbed chives vitamin b3 content is 0.20mg/100g, and hotbed chives VE content is 0.70mg/100g, and hotbed chives VC content is 7mg/100g, and hotbed chives Se content is 1.90 μ g/100g;
2, adopt implantation methods of the present invention, hotbed chives output is high; Hotbed chives single harvesting per mu yield improves 60%;
3, hotbed chives anniversary harvesting number of times is 3 times, substantially realizes year-round supply;
4, adopt implantation methods of the present invention, sunlight hiding rare can reach 99%, and in canopy, intensity of illumination is 0.003klux, and temperature controllable is stabilized in 20-25 DEG C, realizes hotbed chives and goes on the market in advance;
5, adopt implantation methods of the present invention, damage by disease and insect incidence reduces by 15%.
embodiment 1 one kinds of hotbed chives implantation methods
1, plot is selected
The cultivation of hotbed chives requires higher to soil, selects that soil layer is deep, the content of organic matter is high, loose ventilative, preserve moisture and fertility, can fill with the sandy loam that can arrange.Selected plot irrigation condition is convenient, has a good transport service.
2, greenhouse prepares
The greenhouse of suitable size is selected to carry out hotbed chives plantation.
3, Fruit variety
Select to be applicable to that local cultivation, growth are fast, high, the resistance to fertilizer of output, the 791 snow fragrant-flowered garlic that disease-resistant, tillering ability is strong, blade is generous are as cultivar.
4, seed treatment
The water soaking seed 24h of about 50 DEG C, water is too much unsuitable, and every day washes once with clear water.Through two or three days, can sow when seed shows money or valuables one carries unintentionally.
5, seedbed prepares
Select fertile soil, irrigation and drainage convenience, be convenient to management, in 3 years, do not plant the sandy loam plot of scallion garlic type crop as seedling bed, apply the pig manure 10m fully become thoroughly decomposed
3/ hm
2+ rice husk excrement 10m
3/ hm
2+ special dregs of a decoction matrix 5m
3/ hm
2+ 50% carbendazim 7.5kg/hm
2+ chlorophos 3750g/hm
2, water is sprinkled and waters.Above-mentioned percentage is mass percent.
Carry out soil treatment, seedling furrow are done in seedbed preparation, the wide 1m of seedling furrow.
6, begin sowing in good time
The leek sowing time is late April, every mu of sowing quantity 2.7 kilograms, holds the seed furrow of East and West direction, smooth, dark 17 ~ 20 centimetres of bottom surface, bottom width 15 ~ 17 centimetres before sowing on furrow face by the line-spacing of 73 centimetres successfully.Dig loose bottom of trench, whole broken leveling soil also spreads 1 layer of very thin fine sand and fills out and do not have interstices of soil, then sows.Special one sowing pressing plate (long 1 meter of plank, wide 8 ~ 10 centimetres, tilts and fastens rope), plank is placed in seed furrow, a people in front slow dragging, another people after push down plank gently, make the impression that in ditch, appearance one is straight, after dragging pressure, seed is sowed in impression equably.
Then, blinding 1.2 ~ 1.7cm, covers mulch film soil moisture conservation, covers sunshade net sun-proof, after the seedling top soil having more than 70%, throws off mulch film in time, in case occur burning seedling.
7, seedling management
Before emerging after broadcasting, spray Amex820 200 ~ 300 times of liquid managements of weeds.
After coming up, early stage, light fertile light-water duty was watered, every 15d urea 75kg/hm
2water is watered and executes, accelerate the long seedling of root of hair.
During height of seedling 14 ~ 16cm, suitably to control water restraining the growth of seedlings, promote strong sprout.
8, whole ground bedding
Use sufficient base manure in booth, execute the chicken manure 40m become thoroughly decomposed
3/ hm
2, special dregs of a decoction matrix 30m
3/ hm
2, rice husk excrement 20m
3/ hm
2, 45% Nitrogen, Phosphorus and Potassium 1.2t/hm
2make base manure.Above-mentioned percentage is mass percent.
Soil layer deep ploughing reaches 25 ~ 30cm, and after deep ploughing, soil is exposed to the sun 3 days, is smashed by the soil of bulk, the bedding of meticulous whole ground.Base area block size, makes the concavo-convex furrow in north-south, the long 40m of furrow.According to the width of photomask, plantation adopts narrow bedding cultivation, and the wide 1.3m of furrow, leaves the empty width of 0.3m between every two furrow.
8, field planting is transplanted
The seedling age of leek field planting rests in about 100d, and plant height, when 18 ~ 20cm, gets final product field planting.Line-spacing is 20cm, and in row, leek takes compact cultivation, rational close planting, and density is 60000 plants/acre.
9, first time stock cultivation
Want duty to execute thin fertilising water, clear up weeds in field in time.Field planting, after 1 month, imposes 0.5% urea; Above-mentioned percentage is mass percent.
If seedling gesture is weak, suitably can impose fertilizer, every mu of consumption is 25kg; Or every mu of chicken manure 2t executing to become thoroughly decomposed.
Second Year carries out picking fragrant-flowered garlic the Waking of Insects (3rd solar term), deeply digs loosening with bamboo let by the soil around fragrant-flowered garlic clump, to improve physical behavior and the gas permeability of soil.
Stock is cultivated and is about needed 2 years, and stock cultivation stage does not gather in young chives, makes stock many accumulation nutrient, is conducive to the output improving hotbed chives.
10, overlay film
Late September in next year, cut young chives according to Time To Market in good time, and cover astigmatism cooling thermal radiation regulation and control film.
Cut fragrant-flowered garlic within first 5 days, to water and topdress, cut off after 5 days.After harvesting, use long 2m immediately on fragrant-flowered garlic furrow, the bamboo chip of wide 3 ~ 4cm interlocks and is inserted into that sagitta is about 0.8m, span is the arched shed rack of 1.3m.
In the both sides of fragrant-flowered garlic furrow, be close to the outside stay cord of bamboo chip and fixing, rope distance ground 12cm, along fragrant-flowered garlic line direction; At fragrant-flowered garlic row both sides stay cord, on restricting outside fixing one end and fragrant-flowered garlic furrow, the other end, from external stability and fragrant-flowered garlic furrow opposite side rope when hotbed chives grow to 15cm, prevents hotbed chives from lodging, and it is rotten to catch an illness after lodging.
Build canopy, after frame is put up, arrange 1 ventilation hole in the east side in small sections of a vegetable plot every 1.5m, each ventilation hole place is provided with U-shaped breather pipe, and be communicated with canopy inner air and outer air, be buried in the earth bottom U-shaped breather pipe, one end mouth of pipe is positioned at outside canopy, and the mouth of pipe is 2m overhead; The other end mouth of pipe is positioned at inside canopy, and the mouth of pipe is 0.6m overhead.
The astigmatism cooling thermal radiation regulation and control film that cutting 42m is long, be covered on frame, surrounding is tight by soil pressure, prevents light leak, affects hotbed chives quality.
The sunlight hiding rare of astigmatism cooling thermal radiation regulation and control film is 99%, and daytime, temperature of shed was lower than outside air temperature 5 DEG C, and control temperature is stabilized in 20 ~ 25 DEG C, and hotbed chives growth rapidly, can be gone on the market in advance.
Astigmatism cooling thermal radiation regulation and control film thickness of the present invention is 120 μm.
Astigmatism cooling thermal radiation regulation and control film can control temperature of shed, under hot environment, improve cooling-down effect, environmental temperature when hotbed chives are planted than black light-blocking film and common careless overlay environment temperature low, improve environmental temperature under low temperature environment, regulation and control film has good night insulation effect, under cryogenic, reduce heat loss, increase temperature.
11, hotbed chives are gathered
Hotbed chives grow to 40 ~ 50cm, blade occur dry point and will gather in time with during sticky wet shape.Number of days of gathering is 12 days.
12, second time stock is cultivated
Remove astigmatism cooling thermal radiation regulation and control film after hotbed chives harvesting, and carry out greenhouse overlay film.Leek is appeared after 5cm, intertillage.Impose decomposed manure, the special dregs of a decoction matrix of hotbed chives, rice husk excrement.October, November carry out stock cultivation.
13, second time hotbed chives produce
In the Spring Festival first 23 days, harvesting young chives, carried out hotbed chives production.Cut fragrant-flowered garlic within first 5 days, to water and topdress, cut off after 5 days.After harvesting, the astigmatism used before cooling thermal radiation regulation and control film is covered on frame and carries out hotbed chives production.
Gather when hotbed chives grow to 40 ~ 50cm.Number of days of gathering is 15-18 days.
14, third time stock cultivation
Astigmatism cooling thermal radiation regulation and control film is removed after hotbed chives harvesting.Leek is appeared after 5cm, intertillage.Impose decomposed manure, the special dregs of a decoction matrix of hotbed chives, rice husk excrement.Carry out foster root cultivation afterwards.
15, third time hotbed chives production
Mid-April gathers in young chives, carries out hotbed chives production.Cut fragrant-flowered garlic within first 5 days, to water and topdress, cut off after 5 days.After harvesting, the astigmatism used before cooling thermal radiation regulation and control film is covered on frame, carries out hotbed chives production.
Gather when hotbed chives grow to 40 ~ 50cm.Number of days of gathering is 12-15 days.
16, the 4th stock is cultivated
Astigmatism cooling thermal radiation regulation and control film and greenhouse plastic foil is removed after hotbed chives harvesting.Leek is appeared after 5cm, intertillage.Foster root cultivation is carried out after imposing decomposed manure, hotbed chives special dregs of a decoction matrix, rice husk excrement.
17, the extermination of disease and insect pest
Leek (Huang) main diseases and insect pests has gray mold, epidemic disease, fragrant-flowered garlic maggot.
Prevention and controls:
1, mildew.Prevent with 50% Sukeling wetting powder, 1500 times of liquid, the 1000 times of liquid sprays of 50% iprodione wetting powder, be used alternatingly, 7 ~ 10d sprays 1 time, totally 2 ~ 3 times;
2, epidemic disease.With 90% epidemic disease frost spirit, 250 times of liquid, or metalaxyl manganese-zinc wettable powder sprays anti-at the initial stage of a disease, is used alternatingly, and 7 ~ 10d sprays 1 time, totally 3 times;
3, fragrant-flowered garlic maggot.Spread fertilizer over the fields 2.5% chlorophos pulvis 37.5kg/hm
2, contain the phase of sending out with 2.5% cream of decamethrin, 2000 times of liquid adult, or the 2000 times of liquid sprays of 20% sumicidin missible oil are prevented.March early and middle ten days or mid or late September with 40% phoxim emulsifiable concentrate 15L/hm
2to water 1500kg/hm
2, remove mister head, aim at leek root and fill with root;
Above-mentioned percentage is mass percent.
Described special dregs of a decoction matrix is: Radix Codonopsis: waxgourd peel: Chloranthus glaber: matrimony vine: the stem of noble dendrobium: castor bean: Artemisia anomala: black snake, mixes with the weight ratio of 1:3:2:5:1:2:1:1, decocts the mixing dregs of a decoction after 3 times.
The test of hotbed chives plantation situation:
Adopt the present invention to plant in hotbed chives process in summer, detect plantation situation, testing result is in table 1;
Table 1 hotbed chives plantation situation testing result
From table 1, adopt the inventive method plantation hotbed chives in summer, in canopy, intensity of illumination is 0.003klux, and damage by disease and insect incidence reduces by 15%; The hotbed chives quality better in summer of plantation, nutrient composition content is high, and hotbed chives vitamin b3 content is 0.20mg/100g, and hotbed chives VE content is 0.70mg/100g, and hotbed chives VC content is 7mg/100g, and hotbed chives Se content is 1.90 μ g/100g; Hotbed chives single per mu yield improves 60%; Labor saving 70%.
Through test, astigmatism cooling thermal radiation regulation and control film temperature difference is 5 DEG C.