CN104756739B - Based on the method for marginality soil sugar grass cultivation - Google Patents

Based on the method for marginality soil sugar grass cultivation Download PDF

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CN104756739B
CN104756739B CN201510197299.9A CN201510197299A CN104756739B CN 104756739 B CN104756739 B CN 104756739B CN 201510197299 A CN201510197299 A CN 201510197299A CN 104756739 B CN104756739 B CN 104756739B
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sugar grass
sowing
grass
time
kilogram
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CN104756739A (en
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董喜存
李文建
刘瑞媛
金文杰
顾文婷
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Institute of Modern Physics of CAS
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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
    • A01G13/00Protecting plants
    • 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

Abstract

The present invention relates to a kind of method based on the cultivation of marginality soil sugar grass, comprise the using of sowing, herbicide, except tiller, field management and harvesting five steps, wherein sowing comprise selection of land with whole, apply fertilizer to the subsoil, sowing condition, thickness of sowing and implanted device; Field management comprises brokenly hardens, pours water, topdresses and the prevention and control of plant diseases, pest control; The use that the method herbicide is in good time, appropriate, effectively controls the impact that weeds grow on sugar grass, reduces human cost, improves earning rate, and utilizes the drip irrigation technique 20%-25% that can economize on water, and sugar grass biomass improves 10%-15%.

Description

Based on the method for marginality soil sugar grass cultivation
Technical field
The invention belongs to agricultural technology field, relate to a kind of sugar grass cultivation technique, relate in particular to a kind of in sandy wasteland, saline and alkalineEtc. the method for Efficient Cultivation sugar grass under marginality edaphic condition.
Background technology
The large proposition of Economic Development Mode and human survival is extended in global resources shortage, unusual weather conditions, environmental pollution; JointCan reduce discharging, recycling economy, Economic Development Mode Conversion, is the common choice that China and even the world make; In this backgroundUnder, Gansu is as the important ecological protective screen of China and land route hinge, the development of recycling economy be endowed powerful power andFresh and alive intension.
Sugar grass is a kind of C4 crop, and photosynthetic efficiency is high, is 2~6 times of the C3 crops such as soybean, beet, wheat;Sugar grass has advantages of strong adaptability, drought resisting, waterlogging, Salt And Alkali Tolerance, is a kind of high-efficiency water-saving crop; Exploitation and profitPlant sweet sorghum with barren salt-soda soil, western part, sandy bare land, poor and barren land, avoided " striving ground with grain " contradiction. Therefore,Support and developing sweet sorghum industry, both followed the guideline of recycling economy, the ecological economy, again can to protect mankind natureResource and ecological environment.
Marginality soil natural condition is poor, and general crop is difficult to growth or produces certain benefit, and sugar grass is due to degeneration-resistantProperty strong, not only can, in growth, and can produce certain benefit, as same sandy bare land, 2 meters of the plant heights of planting sweet sorghumMany, every mu of biomass can reach 3-5 ton, and corn is less than 1 meter, and biomass is 1-2 ton. For marginality soil, as wantedObtain higher biomass, also need constantly to improve soil.
Summary of the invention
The object of the invention is to avoid the deficiencies in the prior art part and provide one to cultivate based on marginality soil sugar grassMethod. To solve " striving ground with grain " contradiction.
For achieving the above object, the technical scheme that the present invention takes is: a kind of side based on the cultivation of marginality soil sugar grassMethod, its main feature is that step is:
(1) sugar grass sowing:
Selection of land and whole ground: in sandy bare land, PH7.1-9.5 salt-soda soil, sugar grass seed is less, push up native ability a little less than, whole groundWant intensive cultivation carefully to harrow,
Apply fertilizer to the subsoil: before sowing, will use sufficient base fertilizer, mu is executed farm manure 4,000-4200 kilogram, urea 18-20 kilogram or compoundFertile 30-40 kilogram, phosphate fertilizer 40-50 kilogram;
Sowing time: 12 DEG C of 10 centimetres of ground temperature average out tos with upper seeding wheel, in northern China this period at 20-30 in AprilDay;
Thickness of sowing: alcohol is taked the seeding row spacing of 50 centimetres of 20-24 cm x with type sugar grass, every mu of several 5500 strains of keeping a full stand of seedings are arrived6500 strains, preferably 6000 strains; The seeding row spacing that feeding type sugar grass 16-18 cm x is 50 centimetres, keeps a full stand of seedings several 7500 for every muStrain is to 8500 strains, preferably 8000 strains;
Sowing: every mu of application rate, at 0.8-1 kilogram, must have enough soil moistures when sowing, soil moisture is at 16%-20%,Therefore covering with ground sheeting, the degree of depth is 2-4 centimetre, every cave 3-5 grain; Sugar grass sowing adopts artificial seeding or combined sowingMachine;
(2) sugar grass is hoed up weeds:
Using of herbicide, alcohol adopts 300-400 gram/acre of Yulong to think herbicide with type sugar grass; Feeding type sugar grass adopts300-400 gram/acre of Zhong Dingning herbicide, the time of application of herbicide is all in previous week of seed sprouting;
(3) sugar grass removes tiller:
Sugar grass is except removal of tiller bud, and alcohol is used type sugar grass, carries out the tiller that removes of 2-3 time before the jointing stage, retains trunk diameter growth;Feeding type sugar grass removes tiller 1-2 time before jointing, later no longer except tiller;
(4) sugar grass field management: final singling, emerge while growing to 3-4 sheet leaf and carry out final singling until sugar grass, make the guarantor of every muSeedling number is that 5500 strains are between 8500 strains;
(5) results.
The described method based on the cultivation of marginality soil sugar grass, (4) described step sugar grass field management alsoComprise brokenly and hardening: before sugar grass emerges after broadcasting, harden in case of precipitation forms, should abolish and harden in time; Pour water: must be according to localWeather conditions and the stage of development of the plant pour water in good time; Need not irrigate seedling stage, after jointing, and should be according to precipitation event and plantGrowing way is watered 3-4 time; Topdress: according to field growing way, impose 1-2 time fertilizer in the jointing stage in conjunction with pouring water, every mu eachExecute pure N5-7 kilogram or urea 10-15 kilogram; The prevention and control of plant diseases, pest control: aphid occurs, use decamethrin, cypermethrinOr matrine pesticide control; Snout moth's larva selects decis, fenvalerate to prevent and treat; After sugar grass heading, snout moth's larva risesTo fringe, portion causes harm, and fringe portion is carried out to emphasis spraying with above-mentioned agricultural chemicals.
The described method based on the cultivation of marginality soil sugar grass, (5) described step results, described alcohol typeSugar grass in booting to the high suitable results of Nutrient matter at heading stage; Described feeding type sugar grass plant to be planted grows to 1.5-2.0When rice, cradle once apart from ground 15-20 centimeters.
The described method based on the cultivation of marginality soil sugar grass, described decis, the bromine that fenvalerate is 2.5%Cyanogen chrysanthemum fat, every mu of 10-15 milliliter of cypermethrin of 5%, 20% every mu of fenvalerate 15-20 milliliter.
Beneficial effect of the present invention: the integrated sugar grass efficiency cultivation technology for high of the present invention is the characteristic in conjunction with sugar grass, passes throughSow, hoe up weeds, remove tiller field management Key Common Technologies, be intended to improve under the marginality edaphic condition such as sandy wasteland, salt-soda soilSugar grass biomass 10-15%, water saving 20-25%.
The present invention compared with prior art solves following problem: the use that herbicide is in good time, appropriate, effectively control weeds pairThe impact that sugar grass grows, reduces human cost, improve earning rate, and this utilizes drip irrigation technique can economize on water 20%-25%, sugar grass biomass improves 10%-15%.
Brief description of the drawings:
Fig. 1: based on marginality soil sugar grass nursery stage;
Fig. 2: tiller based on marginality soil sugar grass;
Fig. 3: the alcohol removing after tiller based on marginality soil is used type sugar grass;
Fig. 4: use type sugar grass based on marginality soil alcohol;
Fig. 5: based on the feeding type sugar grass of marginality soil.
Detailed description of the invention
Below in conjunction with embodiment, principle of the present invention and feature are described, example is only for explaining the present invention, andNon-for limiting scope of the present invention. Below content of the present invention is described in detail.
Embodiment 1: a kind of method based on the cultivation of marginality soil sugar grass, the steps include:
(1) sugar grass sowing:
Selection of land and whole ground: in sandy bare land, PH7.1-9.5 salt-soda soil, sugar grass seed is less, push up native ability a little less than, whole groundWant intensive cultivation carefully to harrow,
Apply fertilizer to the subsoil: before sowing, will use sufficient base fertilizer, mu is executed farm manure 4,000-4200 kilogram, urea 18-20 kilogram;
Sowing time: 12 DEG C of 10 centimetres of ground temperature average out tos with upper seeding wheel, in northern China this period at 20-30 in AprilDay;
Thickness of sowing: alcohol is taked the seeding row spacing of 50 centimetres of 20 cm x with type sugar grass, every mu of several 6500 strains of keeping a full stand of seedings; RaiseWith the seeding row spacing of 50 centimetres of type sugar grass 16 cm x, every mu of several 8500 strains of keeping a full stand of seedings;
Sowing: every mu of application rate, at 0.8 kilogram, must have enough soil moistures when sowing, soil moisture is at 16%-20%,Therefore covering with ground sheeting, the degree of depth is 2 centimetres, 3, every cave; Sugar grass sowing adopts combined drill;
(2) sugar grass is hoed up weeds:
Using of herbicide, alcohol adopts 300-400 gram/acre of Yulong to think herbicide with type sugar grass; Feeding type sugar grass adopts300-400 gram/acre of Zhong Dingning herbicide, the time of application of herbicide is all in previous week of seed sprouting;
(3) sugar grass removes tiller:
Sugar grass is except removal of tiller bud, and alcohol is used type sugar grass, carries out the tiller work that removes of 2-3 time before the jointing stage, retains stem rawLong; Feeding type sugar grass removes tiller 1-2 time before jointing, later no longer except tiller;
(4) sugar grass field management: final singling, emerge while growing to 3-4 sheet leaf and carry out final singling until sugar grass, make the guarantor of every muSeedling number is 5500 strains;
(5) results.
Embodiment 2:
Based on a method for marginality soil sugar grass cultivation, its main feature is that step is:
(1) sugar grass sowing:
Selection of land and whole ground: in sandy bare land, PH7.1-9.5 salt-soda soil, sugar grass seed is less, push up native ability a little less than, whole groundWant intensive cultivation carefully to harrow,
Apply fertilizer to the subsoil: before sowing, will use sufficient base fertilizer, mu sealing fertilizer 30-40 kilogram, phosphate fertilizer 40-50 kilogram;
Sowing time: 12 DEG C of 10 centimetres of ground temperature average out tos with upper seeding wheel, in northern China this period at 20-30 in AprilDay;
Thickness of sowing: alcohol is taked the seeding row spacing of 50 centimetres of 24 cm x with type sugar grass, every mu of several 5500 strains of keeping a full stand of seedings, excellentSelect 6000 strains; The seeding row spacing that feeding type sugar grass 18 cm x is 50 centimetres, every mu of several 7500 strains of keeping a full stand of seedings, preferably 8000Strain;
Sowing: every mu of application rate, at 1 kilogram, must have enough soil moistures when sowing, soil moisture is at 16%-20%,Therefore covering with ground sheeting, the degree of depth is 4 centimetres, 5, every cave; Sugar grass sowing adopts artificial seeding or combined drill;
(2) sugar grass is hoed up weeds:
Using of herbicide, alcohol adopts 300-400 gram/acre of Yulong to think herbicide with type sugar grass; Feeding type sugar grass adopts300-400 gram/acre of Zhong Dingning herbicide, the time of application of herbicide is all in previous week of seed sprouting;
(3) sugar grass removes tiller:
Sugar grass is except removal of tiller bud, and alcohol is used type sugar grass, carries out the tiller work that removes of 2-3 time before the jointing stage, retains stem rawLong; Feeding type sugar grass removes tiller 1-2 time before jointing, later no longer except tiller;
(4) sugar grass field management: final singling, emerge while growing to 3-4 sheet leaf and carry out final singling until sugar grass, make the guarantor of every muSeedling number is that 5500 strains are between 8500 strains;
(5) results.
Embodiment 3: based on the method for marginality soil sugar grass cultivation, all the other steps are identical with embodiment 1 or embodiment 2.
(4) described step sugar grass field management also comprises brokenly and hardening: before sugar grass emerges after broadcasting in case of precipitation formHarden, should abolish and harden in time; Pour water: must pour water according to local climate condition and the stage of development of the plant in good time; Seedling stage need notIrrigate, after jointing, should water 3-4 time according to precipitation event and plant growing way; Topdress: long according to field in the jointing stageGesture, imposes 1-2 time fertilizer in conjunction with pouring water, execute pure N5-7 kilogram or urea 10-15 kilogram for every mu at every turn; The prevention and control of plant diseases, pest control:There is aphid, use decamethrin, cypermethrin or matrine pesticide control; Snout moth's larva is selected decis, fenvaleratePrevent and treat; After sugar grass heading, snout moth's larva rises to fringe portion causes harm, and fringe portion is carried out to emphasis spraying with above-mentioned agricultural chemicals.
The described method based on the cultivation of marginality soil sugar grass, (5) described step results, described alcohol typeSugar grass in booting to the high suitable results of Nutrient matter at heading stage; Described feeding type sugar grass plant to be planted grows to 1.5-2.0When rice, cradle once apart from ground 15-20 centimeters.
The described method based on the cultivation of marginality soil sugar grass, described decis, the bromine that fenvalerate is 2.5%Cyanogen chrysanthemum fat, every mu of 10-15 milliliter of cypermethrin of 5%, 20% every mu of fenvalerate 15-20 milliliter.
Embodiment 4: based on the method for sugar grass cultivation under sandy wasteland, salt-soda soil marginality edaphic condition, see Fig. 1-5, compriseFollowing steps:
(1): sugar grass sowing
Selection of land and whole ground: sugar grass seed is less, push up native ability a little less than, want intensive cultivation carefully to harrow wholely.
Apply fertilizer to the subsoil: before sowing, will use sufficient base fertilizer, general mu is executed 4,000 kilograms of left and right of farm manure, 20 kilograms, urea.
Sowing time: 10 centimetres of 12 DEG C of ground temperature average out tos are more suitable with upper seeding wheel. In northern China this period greatly about 4On the moon about 20. Sowing has Yin Wendu low and cause the danger of powder kind too early.
Thickness of sowing: alcohol is taked the seeding row spacing of 50 centimetres of 20 cm x with type sugar grass, every mu of several 5500 strains to 6500 of keeping a full stand of seedingsStrain, preferably 6000 strains; The seeding row spacing that feeding type sugar grass 17 cm x is 50 centimetres, every mu of several 7500 strains to 8500 of keeping a full stand of seedingsStrain, preferably 8000 strains.
Sowing: every mu of application rate is 1 kilogram of left and right. When sowing, must there be enough ground moisture in the soils, therefore covering with ground sheeting, darkDegree is 2-4 centimetre, every cave 3-5 grain. Sugar grass sowing adopts combined drill, and (this combined drill is to be given birth to by XinjiangOn the basis of ten cotton planters of product agriculture one teacher of production and construction corps, design, can be by the fertilising of the single enforcement of routine, pavingThe Technology Integrations such as the laying of film, sowing and drip irrigation zone together, are realized institutional operation), utilize this combined drill, noOnly improve operating efficiency, and can ensure seeding quality.
(2) sugar grass is hoed up weeds
Sugar grass, as a kind of gramineous crop, is responsive to many herbicides, and using not only of herbicide has weedsLethal effect, and the growth of sugar grass is also had a great impact. Wherein alcohol adopts 300-400 gram/acre with type sugar grassYulong thinks herbicide; Feeding type sugar grass adopts 300-400 gram/acre of Zhong Dingning herbicide, and the use of herbicide has suppressed sweetThe growth of the large Tanaka weeds of Chinese sorghum. The time of application of herbicide is all in previous week of seed sprouting.
(3) sugar grass is except tiller
In sugar grass field management, it is the link of most critical that sugar grass removes removal of tiller bud, wherein type sugar grass and feeding type for alcoholSugar grass is the kind of two different purposes, except the requirement of tiller is different; Alcohol is used type sugar grass, advances in the jointing stageThe tiller work that removes that row is 2-3 time, retains trunk diameter growth, is conducive to ventilate and illumination in sugar grass growth course, for stem stalkThe accumulation of rear sugar futures and stock significant; Feeding type sugar grass, as long as the planting density of controlling well can be removed before jointingTiller 1-2 time can no longer remove tiller later, so both can keep certain population density, can improve again total biomass.
(4) other field management of sugar grass
Other field management of sugar grass also comprise
Broken hardening: harden in case of precipitation forms before sugar grass emerges after broadcasting, be unfavorable for coming up, should abolish and harden in time.
Pour water: sugar grass drought tolerance is extremely strong, but in order to obtain high yield, must be suitable according to local climate condition and the stage of development of the plantIn time, pours water. Generally need not irrigate seedling stage, after jointing, should water 3-4 time according to precipitation event and plant growing way.
Topdress: according to field growing way, impose 1-2 time fertilizer in the jointing stage in conjunction with pouring water, execute pure N5-7 kilogram for every mu at every turn(urea 10-15 kilogram).
, there is aphid in the prevention and control of plant diseases, pest control: sugar grass pol is high, is subject to aphid damage, should prevent and treat early, and sugar grass is to havingMachine phosphorus insecticide allergy, the pesticide controls such as available decamethrin, cypermethrin or matrine. While finding that there is snout moth's larva harm lobus cardiacus,Select decis, fenvalerate to prevent and treat; After sugar grass heading, snout moth's larva rises to fringe portion causes harm, available above-mentioned agricultureMedicine carries out emphasis spraying to fringe portion.
(5) results:
Alcohol with type sugar grass booting to heading stage Nutrient matter reach maximum, be suitable harvest time. Feeding type is sweetChinese sorghum can, according to the climatic characteristic of zones of different, cradle apart from ground 15-20 centimeters when plant to be planted grows to 1.5-2.0 riceOnce, now in stem stalk, cellulose and hemicellulose level are low, and protein content is higher, and do not affect the agreeable to the taste of cattle and sheepProperty.
Experimental example 1: the cultivation on marginality soil is as embodiment with type sugar grass BJ0602 taking alcohol, and cultural method is as follows:1, wholely: because marginality soil evaporativeness is larger, water and will carefully harrow by intensive cultivation for 3-4 days, impurities removing, is conducive to broadcast
Plant machine operation;
2, sowing: just can sow when 10 centimetres of ground temperature are stabilized in more than 12 DEG C, the Northwest annual April 20 is to MayIt within 10th, is the suitable sowing time. When sowing, the line-spacing of combined drill, spacing in the rows, seed down amount etc. are mixed up on request,And by recommended rate of fertilizer application and drip irrigation zone requirement, fertilizer and drip irrigation zone are just installed can apply fertilizer, plastic film mulch, sowing and drip irrigationThe institutional operation of band.
3, use herbicide: after planting 3-4 days, thinks herbicide spray to ground with the method for spraying by 300-400 gram/acre of YulongIn;
4, field management: emerge while growing to 3-4 sheet leaf and carry out thinning, final singling until sugar grass, making the number of keeping a full stand of seedings of every mu is 6000Strain left and right. Because sugar grass tillering ability is stronger, tiller number can reach 10-15, as removed not in time removal of tiller bud, and willAffect the growth of stem, be unfavorable for the accumulation of later stage sugar. Therefore, before jointing, carry out the tiller work that removes of 2-3 time,Allow stem preferred growth, when plant height exceedes 1 meter, just can suppress the growth of tiller bud. Pour water, topdress, the prevention and control of plant diseases, pest controlDeng managing according to field growing situation.
5, results: alcohol with type sugar grass booting to heading stage Nutrient matter reach maximum, be suitable harvest time, northThe regional harvest time in side is generally mid or late September.
Alcohol reaches 20.7% by the sugar content of type sugar grass BJ0602, can utilize its syrup to ferment for raw material, produces wineThe bio-based products such as essence, cultivation industrial microorganism, extraction yeast extract, yeast dextran, glutamic acid.
Produce yeast series of products taking sugar grass as raw material and successfully produce by industrialization pilot scale, demonstration, technical maturity,Self-contained, reach the ability of producing 500 tons of various yeast products per year. The dusty yeast extract of preparation is light through Gansu ProvinceThe graduate detection of work, indices all reaches sale standard, and wherein total nitrogen content is 9.9%, amino nitrogen content is 5.4%.
Experimental example 2: the cultural method of feeding type sugar grass on marginality soil, feeding type sugar grass removes planting density and removesThe requirement of tiller, planting density: 7500 strains are to 8500 strains, preferably 8000 strains; Remove tiller: if the planting density of controlling well,Can before jointing, remove tiller 1-2 time, later can be no longer except tiller, other are all same as said method.
It is pointed out that the described just side based on sugar grass cultivation under sandy wasteland, salt-soda soil marginality edaphic condition aboveThe detailed description of method, because feeding type sugar grass can be gathered in repeatedly according to actual conditions, step (4), step (3) and stepSuddenly (5) can exchange according to actual conditions; Alcohol is used type sugar grass, and step (3) and step (4) can according to actual conditionsWith exchange; And owing to being to be easy to carry out on this basis some repairing to the those of ordinary skill in constructed fieldChange and change, therefore this description is not this to plant based on sugar grass under sandy wasteland, salt-soda soil marginality edaphic conditionShown in the method for training is confined to and in described scope, the corresponding modify being likely utilized therefore every and equivalent,All belong to the scope of the claims that the present invention applies for.
Above-described embodiment is preferably embodiment of the present invention, but embodiments of the present invention are not subject to the limit of above-described embodimentSystem, other any do not deviate from the change done under Spirit Essence of the present invention and principle, modification, alternative, combination, letterChange, all should be equivalent substitute mode, within being included in protection scope of the present invention.

Claims (1)

1. the method based on the cultivation of marginality soil sugar grass, is characterized in that step is:
(1) sugar grass sowing:
Selection of land and whole ground: to sandy bare land, PH7.1-9.5 salt-soda soil, sugar grass seed is less, push up native ability a little less than, want intensive cultivation carefully to harrow wholely,
Apply fertilizer to the subsoil: before sowing, will use sufficient base fertilizer, mu is executed farm manure 4,000-4200 kilogram, urea 18-20 kilogram or composite fertilizer 30-40 kilogram, phosphate fertilizer 40-50 kilogram;
Sowing time: at 12 ° of C of 10 centimetres of ground temperature average out tos with upper seeding wheel;
Thickness of sowing: alcohol is taked the seeding row spacing of 50 centimetres of 20-24 cm x with type sugar grass, every mu of several 5500 strains of keeping a full stand of seedings are to 6500 strains; The seeding row spacing that feeding type sugar grass 16-18 cm x is 50 centimetres, every mu of several 7500 strains of keeping a full stand of seedings are to 8500 strains;
Sowing: every mu of application rate, at 0.8-1 kilogram, will have enough soil moistures when sowing, soil moisture is at 16%-20%, therefore covering with ground sheeting, the degree of depth is 2-4 centimetre, every cave 3-5 grain; Combined drill is manually broadcast or is adopted in sugar grass sowing;
(2) sugar grass is hoed up weeds:
Using of herbicide, alcohol adopts 300-400 gram/acre of Yulong to think herbicide with type sugar grass; Feeding type sugar grass adopts 300-400 gram/acre of Zhong Dingning herbicide, and the time of application of herbicide is all in previous week of seed sprouting;
(3) sugar grass removes tiller:
Sugar grass is except removal of tiller bud, and alcohol is used type sugar grass, carries out the tiller work that removes of 2-3 time before the jointing stage, retains trunk diameter growth; Feeding type sugar grass removes tiller 1-2 time before jointing, later no longer except tiller;
(4) sugar grass field management: final singling, to emerge while growing to 3-4 sheet leaf and carry out final singling until sugar grass, the number of keeping a full stand of seedings that makes every mu is that 5500 strains are between 8500 strains;
(5) results;
(4) described step sugar grass field management also comprises brokenly and hardening: before sugar grass emerges after broadcasting, harden in case of precipitation forms, should abolish and harden in time; Pour water: must pour water according to local climate condition and the stage of development of the plant in good time; Need not irrigate seedling stage, after jointing, should water 3-4 time according to precipitation event and plant growing way; Topdress: according to field growing way, impose 1-2 time fertilizer in the jointing stage in conjunction with pouring water, execute pure N5-7 kilogram or urea 10-15 kilogram for every mu at every turn; The prevention and control of plant diseases, pest control: aphid occurs, use decamethrin, cypermethrin or matrine pesticide control; Snout moth's larva selects decis, fenvalerate to prevent and treat; After sugar grass heading, snout moth's larva rises to fringe portion causes harm, and fringe portion is carried out to emphasis spraying with above-mentioned agricultural chemicals; Described decis, the decamethrin that fenvalerate is 2.5%, every mu of 10-15 milliliter of cypermethrin of 5%, 20% every mu of fenvalerate 15-20 milliliter;
Described (5) step results, described alcohol with type sugar grass in booting to the high suitable results of Nutrient matter at heading stage; Described feeding type sugar grass plant to be planted cradles once apart from ground 15-20 centimeters while growing to 1.5-2.0 rice.
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CN106069154A (en) * 2016-07-20 2016-11-09 任军民 Salt-soda soil sugar grass drip irrigation implantation methods
CN107836303B (en) * 2017-07-13 2020-05-22 清华大学 Cadmium-polluted farmland safe utilization method based on multifunctional crop sweet sorghum

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