CN110115207A - A method of in Liaoning Area multiple cropping brassica campestris var purpurea, spring rape and forage rape - Google Patents

A method of in Liaoning Area multiple cropping brassica campestris var purpurea, spring rape and forage rape Download PDF

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Publication number
CN110115207A
CN110115207A CN201910512315.7A CN201910512315A CN110115207A CN 110115207 A CN110115207 A CN 110115207A CN 201910512315 A CN201910512315 A CN 201910512315A CN 110115207 A CN110115207 A CN 110115207A
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rape
sowing
spring
brassica campestris
forage
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CN110115207B (en
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刘志文
于放
王英
王燕燕
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Dalian Polytechnic University
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Dalian Polytechnic University
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00Cultivation of specific crops or plants not otherwise provided for
    • A01G22/15Leaf crops, e.g. lettuce or spinach 
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00Cultivation of specific crops or plants not otherwise provided for
    • A01G22/35Bulbs; Alliums, e.g. onions or leeks

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  • Life Sciences & Earth Sciences (AREA)
  • Botany (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Fertilizers (AREA)
  • Soil Working Implements (AREA)

Abstract

The present invention relates to a kind of methods in Liaoning Area multiple cropping brassica campestris var purpurea, spring rape and forage rape, belong to agricultural technology field.This method comprises the following steps: 1. early spring sows brassica campestris var purpurea: a, before the winter and seedbed preparation, b, sowing when robbing, c, seedling management and harvest leaf vegetables, d, field management, e, harvest brassica campestris var purpurea, f, straw-returning;2. the double low spring rapes of spring sowing Wild cabbage type: a, site preparation, b, sowing when robbing, c, timely final singling, e, d, control of weeds reinforce water and fertilizer management, f, the prevention and control of plant diseases, pest control, g, harvest rapeseed;3. the double low forage rapes of summer sowing Wild cabbage type: a, turning over and apply fertilizer to the subsoil, b, sowing when robbing, c, weeds control, d, final singling, f, e, harvest rape tongue fur reinforce water and fertilizer management, g, the prevention and control of plant diseases, pest control, h, harvest, ensilage rape.The present invention improves soil harvest index, increases farmers' income by making full use of free time in Liaoning Area soil.

Description

A method of in Liaoning Area multiple cropping brassica campestris var purpurea, spring rape and forage rape
Technical field
The present invention relates to a kind of methods in Liaoning Area multiple cropping brassica campestris var purpurea, spring rape and forage rape, belong to agriculture skill Art field.
Background technique
Liaoning Area has the climatic characteristic of typical " two seasons are insufficient, a Ji Youyu ", therefore most of planting system is one One crop per annual, only one season of plantation crop, such as corn, rice.The time sow in spring generally before and after May Day, and harvest time is about from nine The middle ten days and the last ten days moon, National Day front and back terminate substantially.There can also be effective growth period of a wheat harvesting period after crop harvest, sow in spring in addition As soon as preceding soil also has the time of wheat harvesting period after thawing, this is that agricultural production leaves nearly trimestral free time, is wasted A large amount of soil and light Wen Ziyuan, cause a large amount of 0 DEG C or more accumulated temperature unutilized, furthermore these traditional agricultural productions and plantation Structure, so that the economic benefit of peasant is little, and is manually also in notr busy season when early autumn end in spring, labour is also a kind of wave Take.Therefore the idle periods for how utilizing plant growth, adjust pattern of farming, and exploitation makes full use of human resources and promotes peasant The pattern of farming and cultivation technique increased income becomes more and more important.
Brassica campestris var purpurea is that the distinctive winter-spring season of south China often uses one of fresh vegetables, and low temperature resistant, seed can be sent out at 2-3 DEG C Bud, usually autumn sowing Winter-Spring are received.Main Leaf-feeding insects are the tender scape of its trophosome, and it is tender and crisp to show as thin skin, sweet flavor, nutrition Value is high.Its axillary bud sprouting power is strong, easily pumping flower tongue, every plant of productions side tongue of southern autumn sowing can up to 20-30 item, yield height, per mu yield can Up to 2000 kilograms or more.Liaoning Area winter and spring fresh vegetables type is less, this real estate is less, the plantation and production of brassica campestris var purpurea It is few and make up the problem of market supply deficiency that winter-spring season vegetable variety will can be effectively relieved.But brassica campestris var purpurea is mainly autumn sowing, not yet The technology for thering is spring to plant, it is necessary to study the cultivation technique of a set of spring sowing.
Summary of the invention
The present invention improves soil harvest index, increases peasant and receive by making full use of free time in Liaoning Area soil Enter, early spring sows the double low spring rapes of brassica campestris var purpurea, spring sowing Wild cabbage type and the double low forage rapes of summer sowing Wild cabbage type, and to two season rape into The exploitation of the multiple uses such as row dish, flower, honey, seed and feeding increases rapeseed cultivation benefit, reaches the work of the high-yield and high-efficiency of three crops per annual Object cultivation mode and method of comprehensive utilization make full use of land resource, promote eco-tour, improve plantation economic benefit, promote Beautiful rural construction.
The present invention provides a kind of method in Liaoning Area multiple cropping brassica campestris var purpurea, spring rape and forage rape, the methods Include the following steps: 1. early spring sowing brassica campestris var purpurea: a, before the winter and seedbed preparation, in First Year site preparation on 15-December of November 5, Fertilising;In 24 days -2 months on the 18th 2 months next year site preparation again;B, sowing when robbing, -2 months on the 25th 2 months 2-3 DEG C of 28 mean daily temperatures, daytime disappears Night freezes, earth's surface thaw 5-6cm when, even No. two brassica campestris var purpureas of tongue fur, when sowing, open 8-10cm zanjon and are seeded in bottom of trench for sowing, sowing row Away from 25-30m, the mu amount of broadcasting 200-300g, urea 8-10kg, earthing 1-2cm are applied with kind of mu, after sprinkling watering, covers white mulch; C, seedling management and harvest leaf vegetables, emerge 15-20d after rupture of membranes it is ventilated, film is taken off after 25-30d, is pressed 10-April 15 April Thinning is carried out according to seeding row spacing 12-15cm × 20-25cm, and harvests leaf vegetables;D, field management, 15-April 20 April is according to moisture in the soil Feelings are irrigated, and Fertigation, mu apply urea 5-8kg;E, harvest brassica campestris var purpurea, 25-May 5 April harvested vegetable brassica campestris var purpurea;f, Straw-returning;2. the double low spring rapes of spring sowing Wild cabbage type: a, site preparation, after brassica campestris var purpurea harvest, site preparation immediately;B, sowing when robbing, site preparation The double low spring rapes of sowing Wild cabbage type, depth of planting 2-3cm sow line-spacing 25-30cm, the mu amount of broadcasting 350-400g, with kind immediately afterwards Mu applies urea 8-10kg;C, timely final singling pulls out weak seedling, sick seedling, hybrid strain and intensive seedling in 2-3 piece true leaf;It is true in 4-5 piece Ye Shi carries out final singling according to spacing in the rows 5-6cm;D, control of weeds;E, reinforce water and fertilizer management;F, the prevention and control of plant diseases, pest control;G, rape is harvested Seed, 20-July 30 July harvest rapeseed;3. the double low forage rapes of summer sowing Wild cabbage type: a, turning over and apply fertilizer to the subsoil, spring rape is received It turns over, apply fertilizer after obtaining, turned over again after 5-8d;B, sowing when robbing, the double low forage rapes of 10 days-August of August sowing Wild cabbage type on the 15th, Depth of planting 1.5-2.5cm, sows line-spacing 25-30cm, and the mu amount of broadcasting 300-400g applies urea 8-10kg with kind of mu;C, weeds are anti- Control;D, final singling, emerge 30-40d after, according to spacing in the rows 5-6cm final singling;E, rape tongue fur is harvested, 20-November 20 October, harvest was oily The main tongue fur of dish;F, reinforce water and fertilizer management;G, the prevention and control of plant diseases, pest control;H, harvest, ensilage rape, 25-November 30 November are freezing Before evil symptom occurs, harvest, ensilage rape.
The present invention is preferably in early spring sowing brassica campestris var purpurea before the winter and the step of seedbed preparation are as follows: First Year November 15 Day-December 5 ploughed, tilling depth 25-30cm, and apply fertilizer farmyard manure 3000-4000kg, diammonium 10-15kg, potassium sulfate 10- per acre 15kg;It ploughed again in next year 24 days -2 months on the 18th 2 months, tilling depth 10-15cm.
The present invention is preferably to be dressed seed before sowing with 50% carbendazol wettable powder in the early spring sowing brassica campestris var purpurea Disinfection, dosage are the 0.5-0.6% of seed weight;Seed and dry fine sand are according to volume ratio 1:20-25 after sterilizing when sowing Mix sowing.
The present invention is preferably to be dressed seed before sowing with high skilful seed coat agent in the double low spring rapes of the spring sowing Wild cabbage type, Gao Qiao The weight ratio of seed coat agent and seed is 1:25-30.
The step of present invention is preferably control of weeds in the double low spring rapes of the spring sowing Wild cabbage type are as follows: after planting in 3d, use Acetochlor ec is watered spraying prevention and treatment;When the 3-4 leaf phase, spraying prevention and treatment is watered with cover grass energy;When 6 leaf phase, spray is watered with Gao Teke Apply prevention and treatment;The step of reinforcing water and fertilizer management are as follows: irrigated according to soil moisture content, keep soil moisture content 70-80%, and Fertigation;Seedling Phase, which applies, mentions seed manure: mu applies urea 5-7.5kg;Elongation fertilising: mu applies urea 5-7.5kg, potassium chloride 5-7.5kg, calcium superphosphate 1.5-2kg;Florescence fertilising: mu applies urea 1.5-2kg, potassium dihydrogen phosphate 1-1.5kg;The fertilising of Rape pod development phase: mu applies urea 1-1.5kg, potassium dihydrogen phosphate 0.5-0.75kg;Sprayed boric fertilizer: existed respectively with 0.1-0.2% borax or 0.1-0.2% boric acid Seedling stage, BOITING STAGE are sprayed on blade face;The step of prevention and control of plant diseases, pest control are as follows: when full field cabbage caterpillar occurs, in larva 2-3 age, use chlopyrifos Missible oil is watered spraying prevention and treatment;When aphid strain rate is up to 8%, spraying prevention and treatment is watered with imidacloprid wettable powder.
The present invention is preferably the step of turning over and apply fertilizer to the subsoil in the double low forage rapes of the summer sowing Wild cabbage type are as follows: spring rape receipts It is turned over after obtaining, tilling depth 30-40cm, apply fertilizer farmyard manure 2500-3000kg, diammonium 8-10kg, potassium sulfate 8-10kg, 8-10d per acre It turns over again afterwards, tilling depth 10-20cm.
The present invention is preferably 2-3d before sowing in the double low forage rapes of the summer sowing Wild cabbage type, sharp with 10-12mL per acre Strength spy dresses seed.
The step of present invention is preferably weeds control in the double low forage rapes of the summer sowing Wild cabbage type are as follows: 3-5d before sowing, Spraying prevention and treatment is watered with cover grass energy and prometryn wettable powder.
The present invention is preferably the step of reinforcing water and fertilizer management in the double low forage rapes of the summer sowing Wild cabbage type are as follows: according to soil moisture content It irrigates, keeps soil moisture content 70-80%, and Fertigation, mu apply urea 8-10kg;The step of prevention and control of plant diseases, pest control are as follows: when complete When field cabbage caterpillar occurs, larva 2-3 age is watered spraying prevention and treatment with deltamethrin milk oil.
The invention has the following beneficial effects:
The present invention utilizes the difference of the double low spring rapes of brassica campestris var purpurea, Wild cabbage type and Wild cabbage type double low forage rape seasons of growth, To the calendar variation that warm light needs, there is no the contention of light temperature, the feature and advantage that labour's recruitment is not overlapped yet etc. are breached The Liaoning Area multiple cropping method limit and rotation system have rewritten the original plantation history being harvested for one time each year in Liaoning Area, have realized one Years three ripe, takes full advantage of annual soil space, light, temperature, water and fertile resource, establishes easy to operate and convenient for management straight Broadcast the scientific Rotation System of the double low forage rapes of the double low spring rape-Wild cabbage types of brassica campestris var purpurea-Wild cabbage type, adjusting and optimizing crop-planting Structure increases 3 months green covering phases in soil, protects ecological environment, improve land utilization ratio and multiple crop index.
The brassica campestris var purpurea of original southern autumn sowing is introduced a fine variety and is generalized to the north by the present invention, and is successfully realized local early spring sowing, The eating method for having accomplished tongue fur after frontal lobe has widened the purposes of brassica campestris var purpurea, and it is less to solve Liaoning Area spring fresh vegetables, especially Be the less problem of leafy green vegetable, enrich the supply of north Vegetable Market, the broken branches and fallen leaves that brassica campestris var purpurea is generated in growth course with Last stalk turns over returning to the field, increases soil nutrient, improves soil texture.
The double low spring rapes of spring sowing Wild cabbage type of the present invention and the double low forage rapes of summer sowing Wild cabbage type are respectively in mid or late June With respectively have one month or so rape florescence after 10 the middle ten days, become a kind of important tourist resources, increase summer and autumn admires the beauty of flowers Type promotes rural tourism and beautiful rural construction, in addition, can put honeybee in florescence in a suitable place to breed, can add after forage rape harvest Work is at different animals quality silage is suitable for, and for pre- anti-snow, the coordination of farming and animal husbandry drives herbage processing industry and animal husbandry same Step development has important impetus.
Method of the present invention uses live broadcasting method entirely, eliminates nursery, lifts seedlings, plants seedling and pour the links such as root water, machine Toolization harvest, reduces labor intensity and production cost.
Method of the present invention comprehensive utilization brassica campestris var purpurea and two season rape, it is comprehensive to carry out dish, seed, flower, honey, feeding and fertilizer etc. Exploitation, contributes share for vegetable basket project, promotes rural tourism, solve the problems, such as the high-quality roughage of plant-eating animal, promote Increasing peasant income are added tour performance, raise benefit and ecological benefits, will be greatly promoted much larger than the benefit of One-season Planting Agricultural restructuring and development pattern transformation.
Specific embodiment
Following non-limiting embodiments can with a person of ordinary skill in the art will more fully understand the present invention, but not with Any mode limits the present invention.
Embodiment 1
A method of in Liaoning Area multiple cropping brassica campestris var purpurea, spring rape and forage rape, described method includes following steps:
1. early spring sows brassica campestris var purpurea
A, before winter and seedbed preparation
Soil is that brassica campestris var purpurea is rely the material base of growth, and scientific and reasonable soil cultivation can be brassica campestris var purpurea growth, development Suitable soil environment condition is created, the unnecessary consumption of moisture and nutrient is reduced, it is ensured that early, full stand of emerging and seedling are even, are red dish Tongue fur high yield good harvest lays a good foundation;
In First Year mechanical deep ploughing on November 25, root stubble is removed, tilling depth 30cm, apply fertilizer farmyard manure 4000kg, diammonium per acre 15kg, potassium sulfate 15kg, wet moisture in the soil are overwintering;
In 20 days 2 months next year spring temperature go up, topsoil starts to thaw, then shallowly turns over, tilling depth 10cm, abolish it is hardened, It makes native seam up, cuts off capillary, site preparation soil moisture conservation, it is ensured that soil moisture content is good when sowing, and soil is made to reach loose, broken, smooth shape to be broadcast State, it is even with the morning that achievees the effect that emerge, full stand, seedling, it lays the foundation for final-period management.
B, sowing when robbing
2 months 2 DEG C of 24 mean daily temperatures, daytime food taken late at night freeze, earth's surface thaw 5cm when, sowing even No. two brassica campestris var purpureas of tongue fur, tongue fur shape is even Claim, tongue fur leaf is small, and the interval of main tongue fur and side tongue is short, and percentage of seedgermination is before 85% or more, mass of 1000 kernel 1.5g, sowing with more than 50% bacterium Clever wettable powder carries out seed dressing disinfection, and dosage is the 0.5% of seed weight, opens the ditch of deep 9cm and is seeded in bottom of trench, earthing 2cm sows line-spacing 25cm, the mu amount of broadcasting 250g, seed and dry fine sand will mix and sow according to volume ratio 1:20 after disinfection when sowing, Because only harvesting trophosome cauline leaf and tender scape, urea 10kg can be applied with kind of mu, after sprinkling watering, covering is white to its heavy dressing fertilizer Mulch, heat preservation and soil moisture conservation, to strive for the season of growth, extends vegetative growth phase, keep plant development abundant;
C, seedling management and harvest leaf vegetables
Early spring temperature is low, long the time required to being seeded into emergence, and emergence on March 5, March 20, appropriate rupture of membranes was ventilated, and 4 It takes off within 5th film the moon, carried out thinning according to seeding row spacing 15cm × 30cm April 12, be colonized 15000 plants, 30000 plants of thinning per acre, and Harvest, plant height 15-25cm, basal part of stem thick 0.8-1cm, weight 12-20g harvest 400kg altogether, are developed into leaf vegetables, leaf vegetables food Used time shows as crisp, tender, fresh and sweet tea, very palatable, based on 4 yuan of per kilogram, takes in 1600 yuan altogether, it is fresh can not only to improve spring The insufficient situation of leaf vegetables enriches the supply of Vegetable Market, can also there is a considerable income;
D, field management
Entire brassica campestris var purpurea growth ground moistening early period and base fertilizer are sufficient, are not required to additional water and fertilizer management;
As the continuous raising of temperature, soil evaporativeness increase after April 15, the water requirement of brassica campestris var purpurea is big, according to moisture in the soil Feelings are irrigated, and Fertigation, mu apply urea 5kg;
Growth period is in spring, and temperature is lower, and pest and disease damage is less, is not required to additional pest management, accomplish it is pure natural and Non-harmful green cultivation and management;
E, brassica campestris var purpurea is harvested
25-May 5 April harvest brassica campestris var purpurea, every plant can produce side tongue 5-8 item, harvest 3-5 times, harvest 30-40g, mu altogether It produces up to 500kg, based on 5 yuan of per kilogram, takes in 2500 yuan altogether;
F, straw-returning;
3000kg stalk it will be turned over as high-quality organic fertilizer per acre and be embedded in field, and increase the soil organism, and improve soil texture, Reduce the use of chemical fertilizer;
2. the double low spring rapes of spring sowing Wild cabbage type
A, site preparation
After brassica campestris var purpurea harvest, deep ploughing immediately, tilling depth 40cm is buried in soil by the broken branches and fallen leaves and stalk, band rake after ploughing, Soil is set to reach loose, broken, smooth state to be broadcast;
Since preceding stubble base fertilizer is sufficient, and brassica campestris var purpurea breeding time short straw-returning in addition, it can not apply fertilizer to the subsoil;
B, sowing when robbing
The double low spring rapes of mechanical planting Wild cabbage type are carried out after prepartion of land immediately, germination percentage is before 85% or more, sowing It is dressed seed with high skilful seed coat agent, the weight ratio of high skilful seed coat agent and seed is 1:30, the harm and strong sprout of pest early period are prevented and treated, Depth of planting 2cm, sows line-spacing 30cm, and the mu amount of broadcasting 300g applies urea 6kg with kind of mu, rape is enable to obtain in time in Seedling Stage Available nutrient forms healthy and strong root system, and suppression is after broadcasting to preserve soil moisture;
Depth of planting is too deep shallowly all to cause very much the underproduction, sow too deep, and plumule emergence course of breaking ground is longer, consumes energy Greatly, weak seedling is easily formed;Sowing is too shallow, and moisture day-night change is violent, cannot ensure to emerge safely;
It sprays when soil moisture content deficiency moisture creating, promotes seed to sprout, in favor of the growth of emergence, Qi Miao and seedling;
C, timely final singling
Spring rape vegetative growth phase is shorter, rational close planted, saves fertilizer with close volume increase, Yi Mi, is careless with close suitable machine and with close control, When 2-3 piece true leaf, weak seedling, sick seedling, hybrid strain and intensive seedling are pulled out;
In 4-5 piece true leaf, final singling is carried out according to spacing in the rows 5cm;
D, control of weeds
Spring rape growth period is in spring and summer season, and crop smothering is more serious, needs keypoint control, after planting in 3d, with second grass Amine missible oil is watered spraying prevention and treatment;
When the 3-4 leaf phase, spraying prevention and treatment gramineae weed is watered with cover grass energy;
When 6 leaf phase, it is watered with Gao Teke and sprays prevention and treatment broadleaf weeds;
E, reinforce water and fertilizer management
It is irrigated according to soil moisture content, soil moisture content 80% is kept, with emphasis on elongation, florescence and Rape pod development phase, to mention High vegetable seed mass of 1000 kernel and oil content, and Fertigation;
Seedling stage, which applies, mentions seed manure: mu applies urea 5kg;
Elongation fertilising: mu applies urea 7.5kg, potassium chloride 7.5kg, calcium superphosphate 2kg;
Florescence fertilising: mu applies urea 2kg, potassium dihydrogen phosphate 1kg;
The fertilising of Rape pod development phase: mu applies urea 1.5kg, potassium dihydrogen phosphate 0.75kg;
Sprayed boric fertilizer: with 0.2% boric acid respectively in seedling stage, BOITING STAGE be sprayed on blade face;
F, the prevention and control of plant diseases, pest control
The general insect pest of spring sowing spring rape is serious, and disease is relatively light, early period keypoint control cabbage caterpillar, when full field cabbage caterpillar send out When raw, larva 2-3 age is watered spraying prevention and treatment with chlorpyrifos ec;
When aphid strain rate is up to 8%, spraying prevention and treatment is watered with imidacloprid wettable powder;
G, rapeseed is harvested
Spring rape is planted its growing process in Liaoning Area and is accelerated, and breeding time shortens, July 25 fine day and opportunity receive rape Seed, to improve efficiency, per mu yield is up to 150kg, mass of 1000 kernel 3g;
3. the double low forage rapes of summer sowing Wild cabbage type
A, it turns over and applies fertilizer to the subsoil
Cultivated, tilling depth 40cm is ploughed deeply after the double low spring rape harvests of Wild cabbage type, the rape seed that will fall off is buried in underground, inhibits It germinates, and uses sufficient base fertilizer, shallowly turns over again after apply fertilizer per acre farmyard manure 3000kg, diammonium 10kg, potassium sulfate 10kg, 8d, tilling depth 15cm disposes the Brassica campestris L seedling fallen in the upper season germinateed;
B, sowing when robbing
High temperature by the end of July, at the beginning of August, drought are avoided to the adverse effect of growth of rape, August implementation machine sowing on the 10th is sweet The double low forage rapes of blue type, 3d before sowing are dressed seed with 10mL Frontline per acre, dry spare, prevention and treatment underground and seedling stage Pest, depth of planting 2cm sow line-spacing 30cm, the mu amount of broadcasting 300g, apply urea 10kg with kind of mu, and when soil moisture content deficiency irrigates through furrow moisture creating, Seed is promoted to sprout, in favor of the growth of emergence, Qi Miao and seedling;
C, weeds control
At the beginning of forage rape growth phase is in late summer and autumn, crop smothering is more serious, 3d before sowing, with cover grass energy and prometryn Wettable powder is watered spraying prevention and treatment, and the later period gradually decreases with temperature, and forage rape growth is faster than weeds, can not have to again Controlling weeds;
D, final singling
Summer sowing rape main winter, which harvests, is used as feed, rational close planted, after 30d of emerging, according to spacing in the rows 5cm final singling;
E, rape tongue fur is harvested
Beginning on October 10 bolting, harvests the main tongue fur of rape, and per mu yield takes in 2400 based on 6 yuan of per kilogram up to 400kg altogether Member;
F, reinforce water and fertilizer management
The resistance to fertilizer of forage rape is not drought-enduring, is irrigated according to soil moisture content, keeps soil moisture content 80%, and Fertigation, mu apply urine Plain 10kg;
G, the prevention and control of plant diseases, pest control
Forage rape growth phase insect pest is more serious, keypoint control cabbage caterpillar, when full field cabbage caterpillar occurs, larva 2-3 Age is watered spraying prevention and treatment with deltamethrin milk oil;
H, the double low forage rapes of harvest, ensiling Wild cabbage type
November 28, the double low forage rapes of harvest, ensiling Wild cabbage type, plant height was up to 70cm, base before the appearance of freeze injury symptom Leaf is sturdy, and for basal part of stem slightly up to 1.5cm, blade is loose, and single plant, which produces, may be up to 200g, and per mu yield exists up to 5t, high-quality feed price 300 yuan, 1500 yuan are taken in altogether.

Claims (9)

1. a kind of method in Liaoning Area multiple cropping brassica campestris var purpurea, spring rape and forage rape, it is characterised in that: the method includes Following steps:
1. early spring sows brassica campestris var purpurea
A, before winter and seedbed preparation
In First Year site preparation on 15-December of November 5, fertilising;
In 24 days -2 months on the 18th 2 months next year site preparation again;
B, sowing when robbing
- 2 months on the 25th 2 months 2-3 DEG C of 28 mean daily temperatures, daytime food taken late at night freeze, earth's surface thaw 5-6cm when, sowing even No. two brassica campestris var purpureas of tongue fur, 8-10cm zanjon is opened when sowing and is seeded in bottom of trench, sows line-spacing 25-30m, and the mu amount of broadcasting 200-300g applies urea 8- with kind of mu 10kg, earthing 1-2cm after sprinkling watering, cover white mulch;
C, seedling management and harvest leaf vegetables
Rupture of membranes after 15-20d of emerging is ventilated, takes off film after 25-30d, 10-April 15 April according to seeding row spacing 12-15cm × 20-25cm carries out thinning, and harvests leaf vegetables;
D, field management
15-April 20 April irrigates according to soil moisture content, and Fertigation, mu apply urea 5-8kg;
E, brassica campestris var purpurea is harvested
25-May 5 April harvested vegetable brassica campestris var purpurea;
F, straw-returning
2. the double low spring rapes of spring sowing Wild cabbage type
A, site preparation
After brassica campestris var purpurea harvest, site preparation immediately;
B, sowing when robbing
The double low spring rapes of Wild cabbage type are sowed after site preparation immediately, depth of planting 2-3cm sows line-spacing 25-30cm, the mu amount of broadcasting 350- 400g applies urea 8-10kg with kind of mu;
C, timely final singling
In 2-3 piece true leaf, weak seedling, sick seedling, hybrid strain and intensive seedling are pulled out;
In 4-5 piece true leaf, final singling is carried out according to spacing in the rows 5-6cm;
D, control of weeds
E, reinforce water and fertilizer management
F, the prevention and control of plant diseases, pest control
G, rapeseed is harvested
20-July 30 July harvest rapeseed;
3. the double low forage rapes of summer sowing Wild cabbage type
A, it turns over and applies fertilizer to the subsoil
It turns over, apply fertilizer after spring rape harvest, turned over again after 5-8d;
B, sowing when robbing
The double low forage rapes of 10 days-August of August sowing Wild cabbage type on the 15th, depth of planting 1.5-2.5cm sow line-spacing 25-30cm, The mu amount of broadcasting 300-400g, applies urea 8-10kg with kind of mu;
C, weeds control
D, final singling
After emergence 30-40d, according to spacing in the rows 5-6cm final singling;
E, rape tongue fur is harvested
20-November 20 October the main tongue fur of harvest rape;
F, reinforce water and fertilizer management
G, the prevention and control of plant diseases, pest control
H, harvest, ensilage rape
25-November 30 November before the appearance of freeze injury symptom, harvests, ensilage rape.
2. according to claim 1 in the method for Liaoning Area multiple cropping brassica campestris var purpurea, spring rape and forage rape, feature exists In: in early spring sowing brassica campestris var purpurea before the winter and the step of seedbed preparation are as follows:
It ploughs First Year 15-December of November 5, tilling depth 25-30cm, apply fertilizer farmyard manure 3000-4000kg, diammonium per acre 10-15kg, potassium sulfate 10-15kg;
It ploughed again in next year 24 days -2 months on the 18th 2 months, tilling depth 10-15cm.
3. according to claim 2 in the method for Liaoning Area multiple cropping brassica campestris var purpurea, spring rape and forage rape, feature exists In: seed dressing disinfection is carried out with 50% carbendazol wettable powder before sowing in the early spring sowing brassica campestris var purpurea, dosage is seed The 0.5-0.6% of weight;
Seed and dry fine sand are mixed according to volume ratio 1:20-25 after sterilizing when sowing sows.
4. according to claim 3 in the method for Liaoning Area multiple cropping brassica campestris var purpurea, spring rape and forage rape, feature exists In: it is dressed seed before sowing with high skilful seed coat agent in the double low spring rapes of the spring sowing Wild cabbage type, the weight of high skilful seed coat agent and seed Amount is than being 1:25-30.
5. according to claim 4 in the method for Liaoning Area multiple cropping brassica campestris var purpurea, spring rape and forage rape, feature exists In the double low spring rapes of: the spring sowing Wild cabbage type the step of control of weeds are as follows:
After planting in 3d, spraying prevention and treatment is watered with acetochlor ec;
When the 3-4 leaf phase, spraying prevention and treatment is watered with cover grass energy;
When 6 leaf phase, it is watered with Gao Teke and sprays prevention and treatment;
The step of reinforcing water and fertilizer management are as follows:
It is irrigated according to soil moisture content, keeps soil moisture content 70-80%, and Fertigation;
Seedling stage, which applies, mentions seed manure: mu applies urea 5-7.5kg;
Elongation fertilising: mu applies urea 5-7.5kg, potassium chloride 5-7.5kg, calcium superphosphate 1.5-2kg;
Florescence fertilising: mu applies urea 1.5-2kg, potassium dihydrogen phosphate 1-1.5kg;
The fertilising of Rape pod development phase: mu applies urea 1-1.5kg, potassium dihydrogen phosphate 0.5-0.75kg;
Sprayed boric fertilizer: with 0.1-0.2% borax or 0.1-0.2% boric acid respectively in seedling stage, BOITING STAGE be sprayed on blade face;
The step of prevention and control of plant diseases, pest control are as follows:
When full field cabbage caterpillar occurs, larva 2-3 age is watered spraying prevention and treatment with chlorpyrifos ec;
When aphid strain rate is up to 8%, spraying prevention and treatment is watered with imidacloprid wettable powder.
6. according to claim 5 in the method for Liaoning Area multiple cropping brassica campestris var purpurea, spring rape and forage rape, feature exists In: the step of turning over and apply fertilizer to the subsoil in the double low forage rapes of the summer sowing Wild cabbage type are as follows:
It is turned over after spring rape harvest, tilling depth 30-40cm, apply fertilizer farmyard manure 2500-3000kg, diammonium 8-10kg, potassium sulfate per acre It is turned over again after 8-10kg, 8-10d, tilling depth 10-20cm.
7. according to claim 6 in the method for Liaoning Area multiple cropping brassica campestris var purpurea, spring rape and forage rape, feature exists In: 2-3d before sowing in the double low forage rapes of the summer sowing Wild cabbage type is dressed seed with 10-12mL Frontline per acre.
8. according to claim 7 in the method for Liaoning Area multiple cropping brassica campestris var purpurea, spring rape and forage rape, feature exists In the double low forage rapes of: the summer sowing Wild cabbage type the step of weeds control are as follows:
3-5d before sowing, is watered spraying prevention and treatment with cover grass energy and prometryn wettable powder.
9. according to claim 8 in the method for Liaoning Area multiple cropping brassica campestris var purpurea, spring rape and forage rape, feature exists In: the step of reinforcing water and fertilizer management in the double low forage rapes of the summer sowing Wild cabbage type are as follows:
It is irrigated according to soil moisture content, keeps soil moisture content 70-80%, and Fertigation, mu apply urea 8-10kg;
The step of prevention and control of plant diseases, pest control are as follows:
When full field cabbage caterpillar occurs, larva 2-3 age is watered spraying prevention and treatment with deltamethrin milk oil.
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CN112400631A (en) * 2020-12-03 2021-02-26 大连工业大学 Method for cultivating two kinds of three-harvest multipurpose utilized double-low cabbage type rape
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CN114158437A (en) * 2021-11-29 2022-03-11 大连工业大学 Efficient cultivation method of cabbage type double-low rape and application of efficient cultivation method in saline-alkali soil
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CN114158437A (en) * 2021-11-29 2022-03-11 大连工业大学 Efficient cultivation method of cabbage type double-low rape and application of efficient cultivation method in saline-alkali soil
CN115589919A (en) * 2022-09-06 2023-01-13 大连工业大学(Cn) Cultivation mode for prolonging flowering period of rape and efficiently and comprehensively utilizing rape

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