CN105027940B - A kind of Rocky Desertification Region herbage planting and establishing method and its application method - Google Patents

A kind of Rocky Desertification Region herbage planting and establishing method and its application method Download PDF

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CN105027940B
CN105027940B CN201510511970.2A CN201510511970A CN105027940B CN 105027940 B CN105027940 B CN 105027940B CN 201510511970 A CN201510511970 A CN 201510511970A CN 105027940 B CN105027940 B CN 105027940B
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fertilizer
soil
planting
herbage
grass
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CN105027940A (en
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熊康宁
池永宽
张锦华
张俞
许留兴
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贵州师范大学
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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
    • A01G20/00Cultivation of turf, lawn or the like; Apparatus or methods therefor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/70Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in livestock or poultry

Abstract

The invention discloses a kind of Rocky Desertification Region pasture planting method, the characteristics of for Rocky Desertification Region, by Rocky Desertification grade classification, herbage is screened, soil prepares, forage seeds are selected, Seed Treatment, sowing time selects, application rate is selected, seeding method is selected, suppression and field management technology after broadcasting, realize scientific pasture growing, obtain the herbage of high yield, remarkable in economical benefits and environment is produced to be greatly improved, play and conserve water and soil, improve stony desertification environment, can also effectively improve and maintain soil primary productivity, increase Agriculture, forestry And Animal Husbandry yield, improve farmers' income, soil carbon sink can also be effectively increased simultaneously, improve environmental quality.

Description

A kind of Rocky Desertification Region herbage planting and establishing method and its application method
Technical field
The invention belongs to pasture growing technical field, it is related to a kind of Rocky Desertification Region pasture planting method.
Background technology
Karst District in Southwest China, is that the world three big karst concentrates that area in area in flakes is maximum, ecological environment is the most fragile Area, Rock Desertification Degree is the most serious.It is one of whole Karst Mountain Areas task the most urgent to solve rocky desertification problem.Stone Unconcernedization problem is made up of main two aspects, and one is ecological environment, and two is social economy.Why rocky desertification problem produces, main It is final to hinder again if due to irrational exploitation ecological environment of people's blindness backward in economy, causing ecological environment gradually severe Hinder the development of social economy.Agriculture grass woods grass engineering is to recover one of stony desertification ecological environment, best mode of Development of Social Economy. Rocky Desertification Region soil layer is shallow, and fertility is relatively low, some key technologies is studied before agriculture grass woods grass engineering construction, with Ensure that follow-up work is smoothly carried out.Grassland establishment technology, economic forest build and plant technology, shelter-forest build and plant technology are agriculture grass woods grass spaces The key distributed rationally, therefore need integrally to consider from from these three angles for this special region environment of stony desertification. Herbage is the material base for administering stony desertification engineering middle peasant grass biological measures, is Rocky Desertification Region ecological recovery, improves water and soil and protects An important ring of holding effect rate.Rocky Desertification Region soil moisture shortage, illumination resource relative shortage, photosynthetic rate is the life of herbage material Most basic key element is produced, therefore also requires that the herbage in Rocky Desertification Region plantation will possess high photosynthesis efficiency and high-moisture is utilized Efficiency, and it is existing do not occur that a kind of science, economy be high also for Rocky Desertification Region pasture growing, that water and soil conservation is good is complete Standby technology.
The content of the invention
The technical problem to be solved in the present invention is:A kind of Rocky Desertification Region pasture planting method is provided, stony desertification ground is solved Area's pasture growing lacks problem that is scientific and being difficult to plantation and deficiency in economic performance, plays and conserves water and soil, improves stony desertification ring Border, additionally it is possible to effectively improve and maintain soil primary productivity, increase Agriculture, forestry And Animal Husbandry yield, farmers' income is improved, while can also have Effect increases soil carbon sink, environmental quality is improved, to overcome the shortcomings of prior art problem.
Technical scheme:A kind of Rocky Desertification Region pasture planting method, comprises the following steps:
(1)Stony desertification divided rank:According to 0.2km2The exposed rate of figure spot rock and 0.2km2Figure spot vegetation+soil is capped rate Situation indexing soil draw stony desertification grade;
(2)The screening of herbage:Filter out drought resisting, the herbage that winter resistance is strong, resistance is stronger;
(3)Soil prepares:Need thoroughly to remove injurious weed before planting artificial pasture, soil cultivation, using base fertilizer;
(4)Seed Treatment:Impurity elimination, is broken in the seed coat, warm-cold seed treatment or chemical treatment method using wiping, removes awns, fertilizer and desinsection Agent is dressed seed;
(5)The selection in sowing time:Sowing time temperature rises to more than 5 DEG C, sows in spring in 2 ~ March;
(6)Application rate:Main formulas for calculating is as follows:
The amount of broadcasting/true value of seeds during actual sowing rate=true value of seeds 100%
True value of seeds=cleanliness × germination percentage × 100%
Cleanliness (%)=(sample weight-impurity weight)/sample weight × 100%
Germination percentage (%)=germinative number grain/for examination grain number × 100%;
(7)Depth of planting:1 ~ 10cm of depth of planting;
(8)Seeding method:Using unicast or mixed seeding;
(9)Topsoil is suppressed after broadcasting;
(10)Field management:Field management include topdress, irrigate, management of weeds, the prevention and control of plant diseases, pest control, before the winter management, herbage Harvesting, auxiliary facility construction.
Preferably, above-mentioned steps(3)In removing weeds use steriland herbicide;The soil cultivation is in soil thickness The place of more than 20cm carry out ploughing soil, rake the soil level, a kind of farm tools ground, suppression, in sowing or cuttage herbage will along hillside fields contour, and Broadcasted sowing by land occupation condition or bunch planting and controlled line-spacing, zero tillage, bunch planting plantation are taken in below soil thickness 20cm;It is described Using base fertilizer based on organic fertilizer, using composting fertilizer, deep placement is wanted during fertilising, layering is applied, various fertilizer mixing are applied, before turning over By farmers' make compost or green manure and slow release chemical fertilizer are uniform be spread to be ploughed on, turned over to below soil layer at arable land, base Fertilizer combines with autumn ploughing and applies 15000 ~ 30000 kg/hm2
Preferably, above-mentioned steps(8)In seeding method, for 16 ~ 18 degree of the average annual temperature in Rocky Desertification Region, 1500 ~ 1700 kilowatt hours/m2, frost-free period is more than 300 days, using unicast hybrid giant napier, for main plantation unicast khuskhus under bloompepper forest or Alfalfa, main to use drilling or broadcast sowing, fragmentary plot uses bunch planting, dragon fruit underwood planting khuskhus or pale reddish brown lucerne Mu, improves nutrient quality, and herbage is improved Seed viability and leguminous forage inoculation root nodule, uses using water-loss reducer at seeding time " tall ~ to fill ~ grass " integrated mode or the same crops of grass family+leguminous forage are formed between the same walnut+Rosa roxburghii of grass family+leguminous forage Between form " agriculture ~ grass " integrated mode.
Preferably, above-mentioned steps(10)In topdress, topdress mainly based on quick-acting chemical fertilizer, leguminous forage fertilising Ying Fen Branch later stage to squaring period and every time cradle after, topdress mainly with P fertilizer and K fertilizer based on, apply 25 ~ 75 kg/hm2, seedling stage also needs Apply N fertilizer, after graminous pasture ground is cradled after jointing to heading stage and every time, mainly based on N fertilizer, apply 30 ~ 90 Kg/hm2, ley fertilising should be divided to the fertilising of minimum two phase based on P fertilizer and K fertilizer, pour water it is abundant in the case of, every 3 ~ 4 Year applies 1 well-rotted farmyard manure, and apply fertilizer 7500 ~ 15000 kg/hm2
Preferably, above-mentioned steps(10)In irrigation, arid is run into Herbage Turning Green and pours the minimum water, grass of once turning green From jointing to even milk stage of blooming, leguminous forage, to squaring period, is watered 1 ~ 2 time, in the feelings that water source is abundant with the branch later stage for section Under condition, poured 1 time after cradling every time.
Preferably, above-mentioned steps(10)In management of weeds, using real tillage and cradling immature weeds.
Preferably, above-mentioned steps(10)In herbage harvesting, under numerous grass cradle the height for the stubble left in 3 ~ 4cm, top grass is cut The height for the stubble left is cut in 5 ~ 6 cm, cradling toothing for the last time every year should be in 10 more than cm.
Preferably, a kind of above-mentioned Rocky Desertification Region pasture planting method also includes grassland improvement, takes temporary transient fencing, removes The impaired meadow of recovery is reseeded in poisonous and harmful weeds, after-culture, and reduction is herded or prohibited and herds, and herbage compensation, after-culture are carried out by cradling Main reduction according to which kind of herbage of meadow more carries out corresponding after-culture and cuttage.
Beneficial effects of the present invention:Compared with prior art, the present invention is sieved by Rocky Desertification grade classification, herbage Choosing, soil preparation, forage seeds selection, Seed Treatment, sowing time selection, application rate selection, seeding method selection, broadcast after suppress with And the technology such as field management, scientific pasture growing is realized, the herbage of high yield is obtained, remarkable in economical benefits and environment are able to greatly It is big to improve, play and conserve water and soil, improve stony desertification environment, additionally it is possible to effectively improve and maintain soil primary productivity, increase agriculture Woods herds yield, improves farmers' income, while soil carbon sink can also be effectively increased, improves environmental quality.
Specific embodiment
The present invention is further explained in conjunction with following example.
Embodiment 1:A kind of Rocky Desertification Region pasture planting method, comprises the following steps:
(1)Stony desertification divided rank:According to 0.2km2The exposed rate of figure spot rock, 0.2km2The capped rate of figure spot vegetation+soil Stony desertification grade is drawn in situation indexing soil, and moderate Karst Rocky Desertification is in 0.2km2The exposed rate of figure spot rock be 51~70%, 0.2km2The capped rate of figure spot vegetation+soil is aggravated for 49~30% land desertifications, and the soil erosion is serious, and soil layer is shallow, mostly stone Matter sloping upland and open shrublands grass slope, the gradient are larger (generally higher than more than 25 °), soil erosion strong by human activity interference Seriously, Eco-geology frequent natural calamity;Moderate Rocky Desertification Region ecological environment frailty, soil layer is shallow, vegetation growth condition compared with For severe, natural meadow ecosystem community organization is relatively simple, and good forage proportion is less, Rocky Desertification Control difficulty compared with Greatly;Intensity stony desertification is in 0.2km2The exposed rate of figure spot rock is 71~90%, 0.2km2The capped rate of figure spot vegetation+soil is 29~ 10%, land desertification is strong, and surface cover is rare, can be flowed without soil substantially, will mostly lose the difficult using ground of agricultural value, It is Rocky desertification process close to top grade, remaining situation is slight stony desertification;
(2)The screening of herbage:The grade and its physical geography condition and Socioeconomic Characteristics divided according to stony desertification, herbage The selection of species should filter out drought resisting, winter resistance strong, degeneration-resistant according to the principle of Benefits in economic and social terms of suiting measures to local conditions, take into account The stronger herbage of property, rescuebrome preferably gramineous, English ryegrass, Festuca Arundinacea, orchardgrass are the alfalfa of pulse family, red Three leaves, Trifolium repense, and fodder maize and witloof, khuskhus, hybrid giant napier;
(3)Soil prepares:Need thoroughly to remove injurious weed such as Eupatorium adenophorum, creeping oxalis etc. before planting artificial pasture, Also to be purged before planting for other weeds, use steriland herbicide such as glyphosate etc.;Soil cultivation, stony desertification ground Area's soil layer is extremely shallow, soil layer serious loss, lacks coating, leached layer, sedimentary, substantially only chorizon, therefore needs Suit measures to local conditions, the place of more than soil thickness 20cm can carry out ploughing soil, rake the soil level, a kind of farm tools ground, suppression, in order to emerge Neatly, along hillside fields contour, and to be broadcasted sowing by land occupation condition or bunch planting and be controlled line-spacing in sowing or cuttage herbage, had Beneficial to water conservation soil conservation, zero tillage is taken in below soil thickness 20cm, bunch planting plantation reduces the disturbance to only having soil, for Flexibly planted then according to " seizing every opportunity " principle in fragmentary soil;Using base fertilizer based on organic fertilizer, using composting fertilizer, fertilising When want deep placement, layering is applied, and the mixing of various fertilizer is applied, and makes compost or green manure and slow release chemical fertilizer (such as phosphorus ore farmers' before turning over Powder, calcium superphosphate, ca and mg fertilizer etc.) it is uniform be spread to be ploughed on, turned over to below soil layer at arable land, with meet herbage or The demand in crops whole growth period, base manure preferably combines with autumn ploughing and applies, and effect of increasing production is more preferable than fertilizer applied in the spring season, planting Before apply growing way during appropriate base fertilizer is conducive to 1 year of seedling, the sowing amount of base fertilizer is general with herbage species, fertilizer quality etc. Factor determination, typically applies 15000 ~ 30000 kg/hm2
The principle of forage seeds selection, is adapted to Rocky Desertification Region physical geographic environment, disclosure satisfy that planting artificial pasture is every It is required that, adaptable, economy and ecological benefits good forage kind high are selected, sowing protonatomic mass should meet national quality The cuttage kinds such as standard, super quality and competitive price, hybrid giant napier should be by quality inspection immunity inspection, nearby for planting;
(4)Seed Treatment:Seeds before seeding must carry out the experiment such as percentage of seedgermination, cleanliness, and the seed to buying enters Row impurity elimination treatment ensures emergence rate, is used when there may be hardseed for leguminous forages such as Trifolium repense, red clovers and wiped Break in the seed coat, warm-cold seed treatment or chemical treatment method, seeding quality and germination percentage are improved, for rescuebrome, English ryegrass Go the awns can to take mill awns and bearder except awns Deng graminous pasture seed, improve seed quality.With in right amount during sowing Fertilizer is dressed seed with insecticide, favourable growth of seedling, reduces the destruction of soil pests.It is further noted that leguminous forage inoculation root nodule The problem of bacterium, improves its nitrogen fixing capacity;
(5)The selection in sowing time:Sowing time Main Basiss natural conditions, such as temperature, moisture, but also to consider cultivation system Situations such as degree, kind, labour.Primary sows the minimum temperature needed for reaching germination, and sowing time temperature rises to 5 DEG C Above and soil moisture content can preferably be sowed, sow in spring in 2 ~ March;
(6)Application rate:Herbage correctly sow it is critically important, it and influence forage yield, also influence artificial pasture utilization periods, Sowing is few, emerges dilute, influences yield;Application rate is big, and seedling is excessively intensive, influence development, causes meadow to fail in advance, reduces and utilizes The time limit, application rate will consider true value of seeds, physical purity of seed, germination percentage etc., and main formulas for calculating is as follows:
The amount of broadcasting/true value of seeds during actual sowing rate=true value of seeds 100%
True value of seeds=cleanliness × germination percentage × 100%
Cleanliness (%)=(sample weight-impurity weight)/sample weight × 100%
Germination percentage (%)=germinative number grain/for examination grain number × 100%;
(7)Depth of planting:1 ~ 10cm of depth of planting, depth of planting depends primarily on grass seed, soil types, the soil water Point, soil evaporation condition etc., the depth of planting of general leguminous forage is more shallow than grass family, and Rocky Desertification Region soil is shallow, soil Moisture is low, and particularly intensity Rocky Desertification Region soil layer is thinner, and this requires the place of our great care soil at seeding time Reason, as shown in table 1;
(8)Seeding method:Using unicast or mixed seeding, for 16 ~ 18 degree of the average annual temperature in Rocky Desertification Region, 1500 ~ 1,700,000 Watt-hour/m2, frost-free period is more than 300 days, using unicast hybrid giant napier, effect is significant, for main plantation unicast post flower under bloompepper forest Grass or alfalfa, culture fertility increase nitrogen supply, and main to use drilling or broadcast sowing, fragmentary plot uses bunch planting, flue Fruit underwood planting khuskhus or alfalfa, are that dragon fruit increases nitrogen supply, improve nutrient quality, it is not recommended that mixed with grass family Broadcast so as not to its predation to liquid manure reduce dragon fruit yield, herbage at seeding time using water-loss reducer improve Seed viability and Leguminous forage is inoculated with root nodule, " tall ~ to fill ~ careless " integrated mode or standing grain using being formed between the same walnut+Rosa roxburghii of grass family+leguminous forage Undergraduate course+leguminous forage forms " agriculture ~ grass " integrated mode with crop intercropping;
(9)Topsoil is suppressed after broadcasting, suppression makes table soil become consolidation after broadcasting, or isolation is caused in the certain depth of top layer Layer, tightens lower void, plays soil layer soil moisture conservation effect, and suppression can reduce native mesopore, reduce soil water evaporation, tighten up capillary water Pipe, Rocky Desertification Region moisture evaporation is strong, and after planting suppression is more better than suppression before sowing substantially, is conducive to seed with moistening Soil is contacted, and is conducive to seed to absorb water, emerge and drought-relief;
(10)Field management:Intensity Rocky Desertification Region meadow, the particularly meadow of the new planting of early stage must carry out science essence Thin management talent obtains better effects, and rationally effective field management, is the requisite measure of planting high-yield and high-efficiency artificial pasture, field Between management include topdress, irrigate, management of weeds, the prevention and control of plant diseases, pest control, before the winter management, herbage harvesting, auxiliary facility construction;
Topdress:Meadow is got demand and is continuously increased after planting, due to herbage correspondence, particularly the breeding time pair of herbage Nutritional need is larger, and base fertilizer release slowly is difficult to meet, it is therefore desirable to imposes fertilizer, topdresses mainly based on quick-acting chemical fertilizer, beans After the fertilising of section herbage should be cradled in the branch later stage to squaring period and every time, topdress mainly based on P fertilizer and K fertilizer, apply 25 ~ 75 kg/hm2, seedling stage also needs to apply N fertilizer, after graminous pasture ground is cradled after jointing to heading stage and every time, mainly with N Based on fertilizer, 30 ~ 90 kg/hm are applied2, ley fertilising should be divided to minimum two phase to apply fertilizer based on P fertilizer and K fertilizer, abundant pouring water In the case of, 1 well-rotted farmyard manure was applied every 3 ~ 4 years, apply fertilizer 7500 ~ 15000 kg/hm2
Irrigate:Irrigation can increase substantially forage yield, and herbage pass can be met substantially by setting small water cellar retaining Key period needs water requirement, runs into Herbage Turning Green arid and pours minimum water of once turning green, and grass family is from jointing to blooming even Milk stage, leguminous forage, to squaring period, is watered 1 ~ 2 time with the branch later stage, in the case where water source is abundant, is poured after cradling every time Fill 1 time;
Management of weeds:The artificial pasture of firm planting is endangered very with immature weeds, weeds are cradled using real tillage Greatly, particularly perennial grass is slow-growing is easily gone down by weed competition, and the suitable sowing time can reduce weeds quantity, Spring sows perennial root ruderal and other weeds and can produce harm to the grass of broadcasting of plantation, and summer and autumn sowing is then using real tillage to miscellaneous The destruction of grass, reduces weeds quantity, and immature weeds cradle can also reduce its harm to lower stubble, according to specific Situation carries out necessary chemical weed control;
The prevention and control of plant diseases, pest control:Different cultivars its occur pest and disease damage be also not quite similar, mainly implement " put prevention first, prevent Control combination " policy, from seed quarantine to ploughing soil and field management should all be rigid in checking up, at present to field pest and disease damage Prevention and control are mainly had and are prevented and treated using chemicals, but few as far as possible using its pollution to environment is reduced, and production technology is prevented Control, just it is cradled before the pest and disease damage high-incidence season by having there is experience, reduce loss and break out probability with pest and disease damage, natural enemy is prevented Control, some pest and disease damages are controlled using biological restriction or checking relation in five elements theory, and plant the improved seeds of disease and insect resistance, reduce pest and disease damage Outburst probability;
The harvesting of herbage:Cutting occasion to the reproducibility of herbage, Cutting and next year yield effect it is larger, when cut Main Basiss herbage breeding time ground biomass and nutrition dynamic rule are cut, it is determined that in herbage nutritious total yield highest period Harvest, cradled in heading to initial bloom stage generally as graminous pastures such as English ryegrass, Festuca Arundinacea, rescuebromes, and pulse family Herbage initial bloom stage cradle not only to this year and also to next year grass yield with nutritive validity preferably, Cutting Height is equally to herbage Yield and quality and aftergrass influence are very big, it is general under numerous grass such as Trifolium repense cradle the height for the stubble left in 3 ~ 4 cm, top grass is such as Alfalfa, orchardgrass etc. cradle the height for the stubble left in 5 ~ 6 cm, and cradling toothing for the last time every year should be easy to the winter in 10 more than cm Season stores nutriment safe overwintering.Hua Jiang demonstration areas and Salar small stream demonstration area different time are cradled can cause different cradling frequently Rate, typically utilizes in tillering stage, can cradle within 1 year 7 times, and the jointing stage can cradle 6 times, and heading stage can cradle 4 times, blooms and ripe Phase can cradle 3 times, because Hua Jiang demonstration areas frost-free period is than Salar small stream demonstration area few 30 days or so, and thermal condition reason, flower River demonstration area can generally cradle 1 time more than the small stream demonstration area of Salar.
Preferably, a kind of above-mentioned Rocky Desertification Region pasture planting method also includes grassland improvement, artificial pasture initial planting Grassland degeneration is more serious, and poisonous and harmful weeds increase rapid, and high quality forage reduction is more, and grass yield drastically declines, to ecology Animal husbandry development is caused to have a strong impact on, and should take this temporary transient fencing, removes poisonous and harmful weeds, and the impaired grass of recovery is reseeded in after-culture Ground, should now be reduced to herd or prohibit and herd, and herbage compensation is carried out by cradling.After-culture it is main according to which kind of herbage of meadow reduce compared with Carry out corresponding after-culture and cuttage more, watered after after-culture or carry out increase survival rate after the rain, moved back according to stony desertification meadow Change form, takes corresponding ameliorative measure, stony desertification degraded mixed-sown grassland after-culture measure as shown in table 2.

Claims (6)

1. a kind of Rocky Desertification Region pasture planting method, it is characterised in that:Comprise the following steps:
(1)Stony desertification divided rank:According to 0.2km2The exposed rate of figure spot rock and 0.2km2The feelings of the capped rate of figure spot vegetation+soil Draw stony desertification grade in condition indexing soil;
(2)The screening of herbage:Filter out drought resisting, the herbage that winter resistance is strong, resistance is stronger;
(3)Soil prepares:Need thoroughly to remove injurious weed before planting artificial pasture, soil cultivation, using base fertilizer;
(4)Seed Treatment:Impurity elimination, is broken in the seed coat, warm-cold seed treatment or chemical treatment method using wiping, goes awns, and fertilizer is mixed with insecticide Kind;
(5)The selection in sowing time:Sowing time temperature rises to more than 5 DEG C, sows in spring in 2 ~ March;
(6)Application rate:Main formulas for calculating is as follows:
The amount of broadcasting/true value of seeds during actual sowing rate=true value of seeds 100%
True value of seeds=cleanliness × germination percentage × 100%
Cleanliness (%)=(sample weight-impurity weight)/sample weight × 100%
Germination percentage (%)=germinative number grain/for examination grain number × 100%;
(7)Depth of planting:1 ~ 10cm of depth of planting;
(8)Seeding method:Using unicast or mixed seeding;
The step(8)In seeding method, for 16 ~ 18 degree of the average annual temperature in Rocky Desertification Region, 1500 ~ 1700 kilowatt hours/m2, Frost-free period is more than 300 days, main under bloompepper forest to plant unicast khuskhus or alfalfa using unicast hybrid giant napier, mainly Using drilling or broadcast sowing, fragmentary plot uses bunch planting, dragon fruit underwood planting khuskhus or alfalfa, improve fruit product Matter, herbage improves Seed viability and leguminous forage inoculation root nodule using water-loss reducer at seeding time, is herded using grass family+pulse family Formed between the same walnut+Rosa roxburghii of grass " tall ~ to fill ~ grass " integrated mode or grass family+leguminous forage with crop intercropping formation " agriculture ~ Grass " integrated mode;
(9)Topsoil is suppressed after broadcasting;
(10)Field management:Field management include topdress, irrigate, management of weeds, the prevention and control of plant diseases, pest control, before the winter management, herbage harvesting, Auxiliary facility is built;
The step(10)In irrigation, arid is run into Herbage Turning Green and pours minimum water of once turning green, grass family from jointing to Bloom even milk stage, leguminous forage, to squaring period, is watered 1 ~ 2 time with the branch later stage, in the case where water source is abundant, cut every time Poured 1 time after cutting.
2. a kind of Rocky Desertification Region pasture planting method as claimed in claim 1, it is characterised in that:The step(3)In Remove weeds and use steriland herbicide;The soil cultivation carries out ploughing soil, rake in the place of more than soil thickness 20cm Ground, a kind of farm tools ground, suppression, along hillside fields contour, and will be broadcasted sowing or bunch planting and are controlled in sowing or cuttage herbage by land occupation condition Line-spacing processed, zero tillage, bunch planting plantation are taken in below soil thickness 20cm;The administration base fertilizer based on organic fertilizer, using corruption Ripe fertilizer, wants deep placement during fertilising, layering is applied, and various fertilizer mixing are applied, and make compost or green manure and sustained release farmers' before turning over On chemical fertilizer is uniformly spread to be ploughed, turned over to below soil layer at arable land, base manure combine with autumn ploughing apply 15000 ~ 30000 kg/hm2
3. a kind of Rocky Desertification Region pasture planting method as claimed in claim 1, it is characterised in that:The step(10)In Topdress, topdress mainly based on quick-acting chemical fertilizer, after leguminous forage fertilising should be cradled in the branch later stage to squaring period and every time, Topdress mainly with P fertilizer and K fertilizer based on, apply 25 ~ 75 kg/hm2, seedling stage also need apply N fertilizer, graminous pasture ground after jointing To heading stage and every time cradle after, mainly with N fertilizer based on, apply 30 ~ 90 kg/hm2, ley fertilising should be with P fertilizer and K Based on fertilizer, be divided to minimum two phase to apply fertilizer, pour water it is abundant in the case of, applied 1 well-rotted farmyard manure every 3 ~ 4 years, fertilising 7500 ~ 15000 kg/hm2
4. a kind of Rocky Desertification Region pasture planting method as claimed in claim 1, it is characterised in that:The step(10)In Management of weeds, using real tillage and cradling immature weeds.
5. a kind of Rocky Desertification Region pasture planting method as claimed in claim 1, it is characterised in that:The step(10)In The harvesting of herbage, under numerous grass cradle the height for the stubble left in 3 ~ 4cm, top grass cradles the height for the stubble left in 5 ~ 6 cm, annual last time Cradling toothing should be in 10 more than cm.
6. a kind of Rocky Desertification Region pasture planting method as claimed in claim 1, it is characterised in that:Also include grassland improvement, Temporary transient fencing is taken, poisonous and harmful weeds are removed, the impaired meadow of recovery is reseeded in after-culture, and reduction is herded or prohibited and herds, by cradling Carry out herbage compensation, after-culture is mainly reduced according to which kind of herbage of meadow more carries out corresponding after-culture and cuttage.
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