CN1158912C

CN1158912C - Crab grass planting method

Info

Publication number: CN1158912C
Application number: CNB011230029A
Authority: CN
Inventors: 阮其惠
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-07-17
Filing date: 2001-07-17
Publication date: 2004-07-28
Anticipated expiration: 2021-07-17
Also published as: CN1335052A

Abstract

The present invention discloses a crab grass cultivation and planting method which realizes sea water agricultural engineering of crab grass engineering integration by the steps of soil and field working, sowing, management, etc. The present invention needs to basically improve the agricultural structure in coastal areas to push the ecological agriculture and the development of sustainable development strategy. The designed method for cultivation and planting needs to develop the eating range of the crab grass, raise the yield of eating crop, and provide vegetables with high nutritional value to human life, oil materials, feed, etc. The present invention has the advantages of easy operation and high operability, and is favorable for being popularized. The present invention can be produced by a simple method to develop saline alkali land and tidal flat, which is favorable for Chinese people.

Description

Crab grass planting method

Technical field:

Crab grass planting method of the present invention belongs to the crop cultivating technology field.

Background technology:

At present, China has 18000 kilometers coastline, more than 600 big small island, 1.4 more than hundred million mu of tidal-flat area, 5.2 hundred million mu of landlocked salinized soils, wherein the saline land is 1.5 hundred million mu, greatly develop seawater agricultural and solonchak agricultural, on beach ground, plant salt-tolerant plant and the crops that are implanted with economic worth on solonchak and the desert, and utilize seawater, saline groundwater is irrigated, development and use large tracts of land salt wasteland and abundant salt water resource, for we provide more food, feed, fuel, fiber, grease, medicine material, and better ecotope and more job opportunity are expected to obtain economical, ecological and social triple benefits, for accelerating China's agricultural economy sustainable development, expand the important strategic meaning of agricultural development space and enhancing overall national strength.And the artificial cultivation method of patent 97106197.1 wild suaeda glauces, realized alkali fluffy do materialization production, make the saline land, coastal beach, seawater is utilized, produce and have the vegetables that better nutritivity is worth, oil plant and feed, but Chenopodiaceae Suaeda Suacda Forsk plant is natural wild anti-saline and alkaline plant, this plant grows wild is on coastal beach and in the landlocked saline and alkaline desert, its seed production is at 15-20kg/ mu, and is also very low as the output of edible edible wild herbs, and wild suaeda glauce is behind artificial cultivation, also fail to improve its output, also fail to improve the value of its development and use.

Summary of the invention:

The purpose of this invention is to provide a kind of crab grass planting method,, fundamentally improve the coastal area structure of agricultural production, promote the development of the ecological agriculture and the strategy of sustainable development to realize the seawater agricultural engineering of extra large fluffy engineering intensification.The cultivation and grow method of design will be opened up the edible range of glasswort, improves the output of food crop, and vegetables, oil plant and the feed that is of high nutritive value is provided for the human lives.

Task of the present invention is realized that by following technical scheme invention has designed a kind of crab grass planting method, and this method is cultivated according to the following steps;

(1) do the field the weeds Ex-all, every furrow are wide 2 meters wholely, and furrow are smooth, and soil will be harrowed carefully, work furrow width 30cm, and ditch depth 15cm, the wide 50cm of ring field ditch, dark 30cm can in time be advisable the water discharging.

(2) sowing time and method

Sow to the beginning of March at the end of two months at the new calendar, every mu with planting 1320 grams, divides the furrow component, uniform broadcasting, and, 120 grams kind are mixed 2 kilograms of fine sands, broadcast 60 square metres.

(3) seedling prophase management

After planting before 30 days, adopt seawater pouring way, at 4 o'clock in afternoon in the 7 o'clock morning, every day twice, watering, it is too violent that the globule can not reach water outlet too greatly, preventing that seed from giving washes away, or dashes and hinder seedling, after planting 8-10 days, seed begins rudiment to taking root, and after 30 days, adopts flood irrigation, once a day, the dark 2cm of the furrow water surface is advisable, and water can stop after one hour and emit, and the seedling stage will be noted and can not be exposed to the sun, do not leave the salinity brilliant damage seedling of hardening, at the temperature height, unsuitable soaked long, prevent water temperature too blanching hinder seedling, in continuous rainfall, should drain rainwater as early as possible behind the rain, the 6-7 after seed germination days begin fertilising, and promptly after planting 3 weeks applied fertilizer, every day, every mu of urea 90 grams with nitrogen content 46% were converted water, afternoon spray is fertile, but dosage after seedling grows up, and every mu of full vegetative period is with fertile 17.5-20 kilogram.

(4) middle and later periods management

A, seedling length to 30 day, shoot root prick dark after, adopt flooding irrigation method, 2 days once, keeps ground moistening, should drain ponding after raining, and allows the certain salinity of soil conservation.

B, glasswort plantation will keep every square metre to have 200, and density is excessive, should dredge early in seedling stage and move or mend and plant, and keeps certain planting density.

C, glasswort grow to 80 days, enter flowering stage, according to the glasswort growing state, for improving disease and insect resistance, ability resistant to lodging, timely application of organic fertilizers or chemical fertilizer, in 20 days flowering stage, after the florescence, fertilizer application frequency is gradually reduced to and stops, glasswort about 200-206 breeding time days, be annual crop, sow in spring and reap in autumn, 142 kilograms of seed per mu yields, 2150 kilograms of glasswort dish per mu yields, can be according to the market demand, after planting 75 days, plant height 30-35 centimetre just can be gathered in the crops, year sowing and results secondary, 4300 kilograms of per mu yields.

The present invention is simple, and higher operability is arranged, and is beneficial to popularization, can do things simply and thriftily, and develops saline and alkaline beach, benefits the people.

Embodiment:

Glasswort title SALICORNA BIGELOVII TORR glasswort is to be grown in the green plants that the no leaf of stalk is arranged on the salt-alkali shoaly land at seabeach, and in about 200-206 days vegetative period, the stalk of meat has the no leaf of joint, blossoms and has seeds on the pod that pushes up life.The growth conditions of glasswort: it is best being planted on the south north latitude 30 degree, is best soil with the sandy loam, and soil must have " leaching loss ", and soil layer should be even, and the ground ruling grade must not surpass 5%.Glasswort can find it can take root the place of growth at the coastal beach in Zhejiang Province, Fujian Province, Guangdong Province, Guangxi province, Hainan Province of China.Can extract oil after the Salicorne seed maturation, oil content is about 30%, and oil is rich in linoleic acid, is the twice of soya-bean oil content, up to more than 70%, matches in excellence or beauty with safflower oil.Glasswort oil can be used as the senior green material of food, medicine, chemical engineering industry.Glasswort seedcake after the oil expression also contains 40% protein, can be used as the additive of food, feed, medicine, cosmetics.Glasswort can be plucked when green grass or young crops is tender, and it is edible to do vegetables for people, is one green health care food.The straw of glasswort the more important thing is that it can suppress the building decorative plates replacing wood except that can be used as feed.With the biological plate intensity height that the straw of glasswort is made, it is 8 times of commercially available medium-density plate, 15 times of particle board.The straw of glasswort also can be worn into slurry, replaces wood pulp, makes disposable tableware and packaging material, reduces white pollution.Glasswort is planted in a large number, can reach 5.2 tons in the solid carbon function of per hectare absorbing carbon dioxide, purifies air, and beautifies the environment.The glasswort rhizome can increase the humus in soil, makes the soil modification.Barren soil behind the plantation glasswort 3-5 can become the good farmland.

Embodiment 1

After beach was done the field wholely, the pouring of seawater or salt water was adopted in sowing at the end of two months, carries out the seedling prophase management.After planting 8-10 days beginnings meeting folder leaf is unearthed, and cotyledon begins to grow in the time of 12 days, and cotyledon is longer than 2mm in the time of 15 days, grew to 1.5cm in 20 days, 21 days beginning branches, to life, branches and leaves become meat garden cylindricality, like Indian fig, color depth viridescent, master's plant height 15cm in the time of 46 days, branch 7cm, master's plant height 21cm in the time of 54 days, the long 9.5cm of branch, master's plant height 30cm in the time of 68 days, first long 17.5cm, second long 9.5cm, up continue branch, begin flowering in the time of 80 days, blooming continues 20 days, flowering every day once, morning, 6:20 to 12:30 ended, the high 47cm of major branch in the time of 112 days, the long 33cm of branch, growth rate delays in the time of 120 days, strain footpath 8mm to 1cm, the about 5mm of Ye Jing, branch reaches 540, weighs 290 grams, becomes squama class shape after the flowering, outstanding gradually, seed is in squamous, and every squamous has three seeds, and ripe back strain leaf presents yellow and part is eggplant coffee look, seed 8-10 grain just has a sesame big, the hairiness shape, pitchy is treated the seed collection to broadcast next time again.

Claims

1, a kind of crab grass planting method is characterized in that this method is to carry out according to the following steps:

(1) does the field wholely

The Ex-all weeds, every furrow are wide 2 meters, and furrow are smooth, and soil will be harrowed carefully, work furrow width 30cm, ditch depth 15cm, the wide 50cm of ring field ditch, dark 30cm can in time be advisable the water discharging,

(2) sowing time and method

Sow to the beginning of March at the end of two months at the new calendar, every mu with planting 1320 grams, divides the furrow component, uniform broadcasting, and 120 gram glasswort kinds are mixed 2 kilograms of fine sands, broadcast 60 square metres,

(3) seedling prophase management

The pouring of employing seawater, after planting before 30 days, morning 7 is up at 4 o'clock in afternoon, twice watering every day, it is too violent that the globule can not reach water outlet too greatly, prevents from that seed from giving to wash away, or dash and hinder seedling, after planting 8-10 days, seed began rudiment to taking root, after 30 days, adopt flood irrigation, once a day, furrow water surface depth of water 2cm, water can stop after one hour and emit, and the seedling stage will note and can not be exposed to the sun, and does not leave the salinity brilliant damage seedling of hardening, when temperature is high, unsuitable soaked long, prevent water temperature too blanching hinder seedling, in continuous rainfall, should drain rainwater as early as possible behind the rain, began fertilising in 6-7 after seed germination days, i.e. 3 weeks fertilising after planting, every mu of urea 90 grams with nitrogen content 46% are converted water, every afternoon, spray was fertile, but dosage after seedling grows up, every mu of full vegetative period is with fertile 17.5-20 kilogram

(4) middle and later periods management

A, seedling length to 30 day, shoot root prick dark after, adopt flooding irrigation method, 2 days once, keeps ground moistening, should drain ponding after raining, and allows the certain salinity of soil conservation,

B, glasswort plantation will keep every square metre to have 200, and density is excessive, should dredge early in seedling stage and move or mend and plant, and keeps its planting density,

C, glasswort grow to 80 days, enter flowering stage, according to the glasswort growing state, for improving disease and insect resistance, ability resistant to lodging, timely application of organic fertilizers or chemical fertilizer, 20 days flowering stage are after the florescence, fertilizer application frequency is gradually reduced to and stops, can reach 142 kilograms of seed per mu yields, 2150 kilograms of glasswort dish per mu yields like this.