CN103348848A

CN103348848A - Cultivation method of spring lettuce

Info

Publication number: CN103348848A
Application number: CN2013102567411A
Authority: CN
Inventors: 顾柳俊
Original assignee: ZHENJIANG CITY DANTU DISTRICT SHIQING VEGETABLE SPECIALIZED COOPERATIVES
Current assignee: ZHENJIANG CITY DANTU DISTRICT SHIQING VEGETABLE SPECIALIZED COOPERATIVES
Priority date: 2013-06-26
Filing date: 2013-06-26
Publication date: 2013-10-16

Abstract

The invention discloses a cultivation method of a spring lettuce. The method comprises steps as follows: A, land preparation before sowing: organic fertilizer is applied to a piece of land which requires sowing, and the land is ploughed to loosen up the soil, so that the soil is kept to be moist; B, sowing and seedling raising: the sowing period is selected to be September, in autumn of the first year in the middle and lower reaches of Yangtze river, and the sowing quantity per mu is 90 g-110 g; C, transplantation of seedlings: after 45-60 days of the sowing, a seedling having 4-5 true leaves is planted; D, close planting after fertilization: the ploughed land is made into a bedding surface, and then close planting is performed; E, field management; and F, harvesting, plant selection and seed reservation in good time: the harvesting period is April and May of the next year, and harvesting, plant selection and seed reservation are performed. With the adoption of the cultivation method of the spring lettuce, appropriate sowing and fertilization periods are selected, the applied fertilizer is scientifically controlled simultaneously, and the management method is appropriate and scientific, so that the cultivation method is scientific and reasonable, the yield of the spring lettuce is high, the quality of the produced lettuce is good, and the demand of people for the spring lettuce is met.

Description

A kind of spring lettuce cultivation method

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Technical field

The present invention relates to the cultivation method of a kind of spring lettuce, belong to the vegetable growing technical field.

Background technology

Lettuce is one, the biennial herb plant.Lettuce can be divided into leaf and use and stem two classes.Leaf claims again spring vegetable, romaine lettuce with lettuce, and stem claims again asparagus lettuce, fragrant bamboo shoot with lettuce.China's various places area under cultivation asparagus lettuce is more than romaine lettuce, and the meat of asparagus lettuce is tender, stem can eat raw, cold and dressed with sauce, stir-fry and eat, drying or pickled.Romaine lettuce is mainly eaten blade or leaf-head, develops to some extent in the big city of especially southern coastal provinces, each big city in recent years, becomes the vegetables of current increase pattern variety.Contain the lettuce element in the lettuce haulm, bitter, high temperature and drought bitter taste are dense, can strengthen gastric juice, stimulate digestion, improve a poor appetite, and have the effect of analgesia and hypnosis.Existing lettuce is because implantation methods is unreasonable, and the lettuce output that therefore grows out is little, poor quality, is of low nutritive value.

Summary of the invention

The technical problem to be solved in the present invention provides that a kind of output is high, quality better, be of high nutritive value spring lettuce cultivation method.

In order to solve the problems of the technologies described above, spring of the present invention lettuce cultivation method, may further comprise the steps:

A, broadcast preplanting treatment:

Soil to the needs sowing applies fertilizer, is then turned in the soil, and chesson is sprinkled water to the soil after turning over behind the whole ground, makes soil conservation moistening;

B, seeding and seedling raising:

In Middle And Lower Reaches of Changjiang River is chosen in First Year September in autumn sowing time, and seeding quantity 90-110 gram in every seedling ground after planting covers one deck soil layer, covers the blade moisturizing again; After revealing bud in 7-8 days, remove blade, topdress 2-3 time, execute liquid dung 60-110 kilogram or urea 1-2 kilogram per minute, each thinning is once during the open and flat and 1-2 sheet true leaf of cotyledon;

C, seedling are transplanted:

Sow the seedling that will have 5-6 sheet true leaf after 45-60 days and carry out field planting, transplant to water in last week to send and transfer fertilizer, per minute ground urea 1-2 kilogram, water the previous day that lifts seedlings; Large seedling separates field planting;

Dense planting after D, the fertilising:

Be base manure with chicken manure 2500-3000 kilogram, make the furrow face after ploughing, then carry out dense planting, during dense planting, distance between rows and hills is the 23-25 centimeter square, and mu is planted the 8000-8500 strain;

E, field management:

A, year in enrich chicken manure fertilizer 1-2 time, mu is executed the 1500-2000 kilogram, intertillage is dredged native; Do not apply rich water before winter;

B, after the beginning of spring, enter the rosette stage after, in time intertillage is loosened the soil, and topdresses twice, applies chicken manure 1200-1500 kilogram;

C, plant Feng Hanghou apply fertilizer immediately, and heavy dressing is topdressed for 3-5 time;

F, timely collecting, roguing are reserved seed for planting:

When spring lettuce fleshy stem was grown stretching, upper news formed bud, and 4-5 month next year in period of gathering gathers in the crops, and roguing is reserved seed for planting;

The step that described roguing is reserved seed for planting is as follows:

Select to have this specific character from the field, bolting evening, internode is close, blade is few and branch not, thick and the long not breach of spring lettuce, anosis plant, the yellow leaf of bottom is removed in the kind strain of selecting and remain, and pulls out other weak plants, seeding row spacing keeps 38 centimeter square, between execute bolting fertilizer one time after pulling out, impel scape elongation and branch, insert pillar anti-down; When the jaundice of leaf section, seed is when giving birth to white umbrella pappus on brown or the silver gray, in time gathers, and shines dry-storage.

Adopt the cultivation method of spring of the present invention lettuce, owing to having selected suitable sowing and fertilizing time, simultaneously the fertilizer that applies has been carried out scientific control, in addition management method properly suitably, science, therefore make its cultivation method scientific and reasonable, make its output very high, the quality of output is also fine, has satisfied the demand of people to the spring lettuce.

Embodiment

Below in conjunction with embodiment, the cultivation method of lettuce is described in further detail to spring of the present invention.

Spring of the present invention lettuce cultivation method, may further comprise the steps:

A, broadcast preplanting treatment:

The soil is applied fertilizer, then turned in the soil, chesson is sprinkled water to the soil after turning over behind the whole ground, makes soil conservation moistening;

B, seeding and seedling raising:

C, seedling are transplanted:

Sow the seedling that will have 5-6 sheet true leaf after 45-60 days and carry out field planting, transplant to water in last week to send and transfer fertilizer, per minute ground urea 1-2 kilogram, suitably water the previous day that lifts seedlings, and avoids lifting seedlings hindering root; Large seedling separates field planting, is convenient to field management.

D, site preparation and fertilization, rational close planting:

Spring lettuce fertilizer requirement is large, select by force loose loam of keeping fertility, is base manure with chicken manure 2500-3000 kilogram, makes the furrow face after ploughing, and then carries out dense planting, and during dense planting, distance between rows and hills is the 23-25 centimeter square, and mu is planted the 8000-8500 strain;

E, field management:

A, year in enrich chicken manure fertilizer 1-2 time, mu is executed the 1500-2000 kilogram, soil is dredged in intertillage, impels root growth, does not apply rich water before the winter, avoids excessive growth, strengthens cold-hartliness, passes the winter safely;

B, after the beginning of spring, the cauline leaf ramp, enter the rosette stage after, in time intertillage is loosened the soil, and topdresses twice, applies chicken manure 1200-1500 kilogram;

C, plant Feng Hanghou apply fertilizer immediately, and heavy dressing is topdressed for 3-5 time, and fertilising can not be excessively slow, in order to avoid cause stem's cracking;

F, timely collecting, roguing are reserved seed for planting:

When spring lettuce fleshy stem was grown stretching, upper news formed bud, was Harvesting Date when most advanced and sophisticated equal with maximum blade when the stem top, be preferably the period of gathering and gather in the crops the next year 4-5 month, and roguing is reserved seed for planting.

The step that roguing is reserved seed for planting is as follows:

Claims

One kind the spring lettuce cultivation method, it is characterized in that, may further comprise the steps:

A, broadcast preplanting treatment:

Soil to the needs sowing applies fertilizer, is then turned in the soil, and chesson is sprinkled water to the soil after turning over behind the whole ground, makes soil conservation moistening;

B, seeding and seedling raising:

In Middle And Lower Reaches of Changjiang River is chosen in First Year September in autumn sowing time, and seeding quantity 90-110 gram in every seedling ground after planting covers one deck soil layer, covers the blade moisturizing again; After revealing bud in 7-8 days, remove blade, topdress 2-3 time, execute liquid dung 60-110 kilogram or urea 1-2 kilogram per minute, each thinning is once during the open and flat and 1-2 sheet true leaf of cotyledon;

C, seedling are transplanted:

Sow the seedling that will have 5-6 sheet true leaf after 45-60 days and carry out field planting, transplant to water in last week to send and transfer fertilizer, per minute ground urea 1-2 kilogram, water the previous day that lifts seedlings; Large seedling separates field planting;

Dense planting after D, the fertilising:

Be base manure with chicken manure 2500-3000 kilogram, make the furrow face after ploughing, then carry out dense planting;

E, field management:

A, year in enrich chicken manure fertilizer 1-2 time, mu is executed the 1500-2000 kilogram, intertillage is dredged native; Do not apply rich water before winter;

B, after the beginning of spring, enter the rosette stage after, in time intertillage is loosened the soil, and topdresses twice, applies chicken manure 1200-1500 kilogram;

C, plant Feng Hanghou apply fertilizer immediately, and heavy dressing is topdressed for 3-5 time;

F, timely collecting, roguing are reserved seed for planting:

When spring lettuce fleshy stem was grown stretching, upper news formed bud, and 4-5 month next year in period of gathering gathers in the crops, and roguing is reserved seed for planting.
2. according to the cultivation method of spring claimed in claim 1 lettuce, it is characterized in that, the step that described roguing is reserved seed for planting is as follows:

Select to have this specific character from the field, bolting evening, internode is close, blade is few and branch not, thick and the long not breach of spring lettuce, anosis plant, the yellow leaf of bottom is removed in the kind strain of selecting and remain, and pulls out other weak plants, seeding row spacing keeps 38 centimeter square, between execute bolting fertilizer one time after pulling out, impel scape elongation and branch, insert pillar anti-down; When the jaundice of leaf section, seed is when giving birth to white umbrella pappus on brown or the silver gray, in time gathers, and shines dry-storage.
3. according to the cultivation method of spring claimed in claim 1 lettuce, it is characterized in that, in the step of dense planting, during dense planting, distance between rows and hills is the 23-25 centimeter square after the described fertilising, and mu is planted the 8000-8500 strain.