CN105432449A - Soilless straw matrix of rice dry-raising water pipe and seedling culture method - Google Patents
Soilless straw matrix of rice dry-raising water pipe and seedling culture method Download PDFInfo
- Publication number
- CN105432449A CN105432449A CN201510869095.5A CN201510869095A CN105432449A CN 105432449 A CN105432449 A CN 105432449A CN 201510869095 A CN201510869095 A CN 201510869095A CN 105432449 A CN105432449 A CN 105432449A
- Authority
- CN
- China
- Prior art keywords
- seedling
- rice
- straw
- native
- straw substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G31/00—Soilless cultivation, e.g. hydroponics
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Pretreatment Of Seeds And Plants (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a soilless straw matrix of rice dry-raising water pipe and a seedling culture method. The method includes the following steps that a seedbed and the soilless straw matrix are manufactured; by means of the deep-ditch and high-box mode, water and fertilizer are controlled and growth of rice seedlings is regulated through a seedling box, wherein the seedling age of seedlings transplanted by machines is prolonged by 5-10 days, and the crop rotation contradiction of rice transplantation is effectively relieved; meanwhile, the soilless straw matrix matched with seedling culture of the method is formed by smashing oilseed rape straw serving as the main raw material and adding disinfectant, a water-retaining agent, modifier, an acid regulating agent, fertilizer and the like; a plastic tray with the specification of 58.8 cm*28 cm*2 cm is used for seedling culture; seedlings grow in the disinfected and appropriate acid condition; growth of seedlings is regulated through the water control and fertilizer control measures in the seedling culture process, and therefore the aims of being strong in seedling, large in root number, thick in rod and green in leaf are achieved. Straw is directly used as the soilless straw matrix after being smashed, the production processes of soil taking, soil screening and the like are reduced, and the labor intensity of rice farmers is lowered.
Description
Technical field
Embodiments of the present invention relate to paddy rice soilless culture field, more specifically, embodiments of the present invention relate to a kind of Rice Seedling Culture Under Dry Condition water pipe without native straw substrate and seedling-cultivating method.
Background technology
Along with the minimizing of agricultural population, the quickening of land transformation speed, popularizing of modern agricultural technology, widely using of agricultural machinery is trend of the times, the entire mechanization of Rice Production, and key is the mechanization of seedling cultivation of rice and transplanting, the seedling of mechanization streamline and rice seedling plugged in by machine, need a large amount of seedling mediums, self-control Nutrition Soil can consume fertile anthropic epipedon, and lays a good foundation without the agriculture entire mechanization applied as Rice Production of native straw substrate.
Existing commercial seedling medium, be primary raw material mainly with careless carbon (containing large quantity of moisture with not by the plant residue, humus and a part of mineral matter that thoroughly decompose) greatly, cost is high, is applied to economic crops more.
The seedling of tradition rice mechanical transplanting is that general seedling vinyl disc specification is long 58cm, wide 28cm and high 2cm, adopts such seedling dish using the plow layer in land for growing field crops soil as Nutrition Soil, and rice shoot is cultivated in every mu of machine transplanting of rice on average needs Nutrition Soil to be about about 100kg.The making of Nutrition Soil needs to plough, airing, pulverize, sieve, the work such as carrying, a large amount of labours and labour remuneration will be paid, also can destroy the plow layer in arable land simultaneously.
Crop straw burning is the difficult problem that government administers for a long time, and the various stalks after results are arbitrarily stacked in field, cause the obstruction in irrigation canals and ditches, pond, after the time of keeping under strict control, a lot of stalk by on-site incineration, serious environment pollution.Current seedling cultivation of rice promote without native straw substrate, mainly the remaining body of crop such as stalk of crop is primary raw material, make through materializing strategy such as pulverizing and fermentations, although application crops straw avoids destroy farming table soil, solve raw material problems, but the recruitment cost made is higher, is difficult to apply.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, there is provided a kind of Rice Seedling Culture Under Dry Condition water pipe without native straw substrate and seedling-cultivating method, nutritious without native straw substrate for carrier makes to expect utilizing stalk, solve that existing soilless substrate cost is high, Making programme is long, is difficult to problems such as applying.
For solving above-mentioned technical problem, one embodiment of the present invention by the following technical solutions:
A kind of Rice Seedling Culture Under Dry Condition water pipe without native straw substrate, it is powder of straw particle containing mass ratio: disinfectant: water-loss reducer: conditioning agent: regulating acid agent: nitrogenous fertilizer: phosphate fertilizer: the raw material of potash fertilizer=300.0 ~ 500.0:0.4 ~ 1.2:1.0 ~ 2.0:0.1 ~ 0.5:0 ~ 2.0:2.0 ~ 10:0.5 ~ 5.0:0.5 ~ 5.0, the water content of described matrix is 65% ~ 75%, and pH value is 5 ~ 6.
Above-mentioned Rice Seedling Culture Under Dry Condition water pipe without in native straw substrate, described stalk is at least one in rape stalk, wheat stalk, maize straw, rice straw.
Above-mentioned Rice Seedling Culture Under Dry Condition water pipe without in native straw substrate, described stalk is the mixture of rape stalk, wheat stalk, maize straw and rice straw, wherein rape stalk accounts for 50% of stalk gross mass, the mass mixings such as wheat stalk, maize straw, rice straw.
Above-mentioned Rice Seedling Culture Under Dry Condition water pipe without in native straw substrate, described disinfectant is fenaminosulf, carbendazim, thiophanate methyl, strong chlorine oil or makes hectogram; Described water-loss reducer is acrylamide and acrylic acid salt crosslinking copolymerization thing or starch grafted acrylate crosslinking copolymerization thing; Described conditioning agent is root-inducing powder or paclobutrazol; Described regulating acid agent is Cosan, vinegar, ferrous sulfate, furfural dregs or humus.
Above-mentioned Rice Seedling Culture Under Dry Condition water pipe without in native straw substrate, described nitrogenous fertilizer comprises instant nitrogenousfertilizer and the slow-release nitrogen fertilizer of mass ratio 1:1, described instant nitrogenousfertilizer is ammonium sulfate, ammonium chloride, ammonium nitrate or urea, and described slow-release nitrogen fertilizer is ureaformaldehyde, isobutylidene two urea, butenylidene two gland or oxamides; Described phosphate fertilizer is superphosphate, double superphosphate or Dicalcium Phosphate; Described potash fertilizer is potassium sulfate.
Above-mentioned Rice Seedling Culture Under Dry Condition water pipe without in native straw substrate, described matrix is applicable to the raising rice seedlings vinyl disc that the degree of depth is 2 ~ 3cm.
Adopt the above-mentioned seedling-cultivating method without native straw substrate, comprise the following steps:
(1) all for other except regulating acid agent raw materials are mixed in proportion, add water and stir, make the water content of mixture reach 65% ~ 75%; Can ensure that moisture without native straw substrate is close to saturation state like this.
(2) detect the pH value of described mixture, regulate according to following requirement, obtain without native straw substrate: when pH≤6, do not regulate pH; As 6 < pH < 6.5, the consumption strengthening acidic fertilizier within the scope of material rate regulates pH; When pH >=6.5, in seedling raising ground substance, add regulating acid agent be adjusted to 5≤pH≤6;
(3) trench digging bedding: the railway carriage or compartment face width 140 ~ 150cm in seedbed, face, railway carriage or compartment surrounding is opened and is enclosed ditch, furrow width 30 ~ 40cm, ditch depth >=30cm; Can ensure draining, pour water conveniently, bed soil carefully no-sundries, face, railway carriage or compartment is smooth, enables seedling dish and face, railway carriage or compartment close contact;
(4) lie on face, railway carriage or compartment by raising rice seedlings vinyl disc, light pressure raising rice seedlings vinyl disc makes it fully contact with soil; Raising rice seedlings vinyl disc will be loaded without native straw substrate, thickness without native straw substrate after leveling compacting is 1.5 ~ 2.0cm, to sow without on native straw substrate through pretreated seed, again with thickness be 0.3 ~ 0.5cm cover seed without native straw substrate, spray proper amount of clear water to make fully to contact with seed without native straw substrate, then take arch, epiphragma;
(5) seedbed management is until shoot transplanting equipment: sowing until completely now in pin process, epiphragma carries out moisture-heat preservation always, but temperature in the shed more than 36 DEG C time aeration-cooling; If there is matrix floating (after seed sprouting, often meeting is the matrix jack-up covering seed), then pat with broom, make the matrix of conglomeration loose; After existing pin, take off film in the morning, and epiphragma carries out hardening at dusk, if occur early, late rice shoot blade without the globule, blade group clot at noon, early, the one of the dry three kinds of phenomenons of late seedbed bed soil, wet bed of watering soil, object promotes growing of rice shoot.
In the above-mentioned seedling-cultivating method without native straw substrate, the described pretreated seed of step (4) refer to the seed after sterilization, seed soaking, vernalization show money or valuables one carries unintentionally or sterile-processed after without the dry seeds of vernalization.
In the above-mentioned seedling-cultivating method without native straw substrate, described acidic fertilizier is superphosphate or ammonium sulfate.
In the above-mentioned seedling-cultivating method without native straw substrate, first 2 ~ 3 days of described shoot transplanting equipment, spray the medicament of prevention generation striped rice borer and prevention land for growing field crops leaf pest, carry out band medicine and transplant.
Below technical scheme of the present invention is further detailed.
Of the present invention is take stalk as carrier without native straw substrate, in powder of straw particle, add disinfectant, water-loss reducer, conditioning agent, regulating acid agent and fertilizer etc. simultaneously, formed a kind of Rice Seedling Culture Under Dry Condition water pipe without native straw substrate, normal growth for rice shoot provides favourable environment, meet the needs that large area is produced, educated the seedling-cultivating method of water pipe by drought, the length of time rice seedlings grow of transplanting can be extended 5 ~ 10 days, effectively alleviate the crops for rotation contradiction that paddy rice is planted.
The raising rice seedlings vinyl disc that the present invention adopts can be plastic floppy disk, also can be plastics hard disk, and its effect carries without native straw substrate and rice paddy seed, brings out the rice shoot of applicable rice planting technology; Specification can be 58.8cm × 28cm × 2cm, crosses program control water, controls fertile measure by seedling, regulates the growth of rice shoot, thus reaches the object that seedling is strengthened, root is many, stem is thick, leaf is green.Stalk of the present invention preferably uses more rape stalk, because the water-absorbing-retaining effect of rape stalk is higher than other stalk.
Disinfectant can efficiently fast killing fungus, bacterium etc., and the generation such as bakanae disease, damping off of control paddy rice, improves the germinating capacity of seed, promotes the normal growth of seedling.
Water-loss reducer is acrylamide and acrylic acid salt crosslinking copolymerization thing (polyacrylamide, Sodium Polyacrylate, polyacrylic acid potassium, ammonium polyacrylate etc.) or starch grafted acrylate crosslinking copolymerization thing (starch grafted acrylate).It is super absorbent resin, and water absorbing capacity is strong especially, nontoxic, repeatedly releases water, water suction, can also absorb fertilizer, agricultural chemicals slow releasing, increase fertilizer efficiency, drug effect.
Root-inducing powder or paclobutrazol are plant growth regulator, and by strengthening, the content of regulating plant endogenous hormones and the activity of important enzyme, reach the short strong many tillers of rice shoot, leaf look dark green, well developed root system.
Regulating acid agent carries out acid adjustment process to matrix, creates an applicable growing environment to growth of seedling.Humus, furfural dregs, vinegar etc., as regulating acid agent, directly can be modulated into dilution, regulate the acid-base value of matrix, effective and have no adverse effects to paddy growth.
Nitrogenous fertilizer plays very important effect to plant growth, and it is amino acid whose part in plant corpus, be the composition forming protein, is also the chlorophyllous part that plant carries out photosynthesis and plays a decisive role.Phosphate fertilizer is the part of nucleic acid and nucleotide, composition protoplasm and nuclear main component, do all to contain phosphorus in a lot of phosphide compounds and multienzyme molecule in object, important impact is had on the metabolic process of crop, Rational Application phosphate fertilizer, crop yield can be increased, improve product quality, accelerate cereal and tiller.Potash fertilizer is Quick-dissolving fertilizer that is neutral, physiological phenomenon, is applicable to various crop, can be used as base manure, topdresses, and its Main Function is the resistance improving quality of agricultural product and crop.
The present invention, using straw substrate as the substitute of Nutrition Soil, solves the problem of crop straw burning contaminated environment, and the water imbibition of rape stalk, permeability can substitute careless carbon completely, as seedling medium, thus significantly reduce production cost.Stalk is as matrix, and itself cannot meet the growth of seedling without any nutrition at all, must add the nitrogen needed for growth, phosphorus, the large nutritive element of potassium three.The seedling medium that market is sold, be applicable to the few of paddy rice, and cost of transportation is high, is difficult to promote; And homemade Nutrition Soil nursery, because the nutrient component of soil changes greatly, cannot modulate with unified formula, thus cause oligotrophy or nutrient excess, unfavorable seedling growth.Straw substrate, can according to the rule of the absorption fertilizer of seedling growth process due to nonnutritive composition itself, and test situation, formulates perfect nutriment formula, thus realizes without the batch production of native straw substrate, standardization, scale.
Although the damage by disease and insect of straw substrate is lower compared with Nutrition Soil, but still there is certain hidden danger, especially rice straw is as matrix, and the disease in its stalk will have influence on the normal growth of rice seedling, so, the stalk of the gramineous crops such as paddy rice is not used to educate rice seedling in principle, but rice straw output is large, is abundant medium carrier, if will use these stalk nursery, necessary disinfection, thus reduce the harm of damage by disease and insect.
Be applicable to the rice shoot of paddy machinery rice transplanting, there is very strict requirement, namely seedling can not be too high or too short, root system can not be oversize or too weak, accomplish the satisfactory blanket of root system, the permeability of straw substrate will be utilized, add appropriate conditioning agent, just cultivate the rice shoot being conducive to paddy rice transport and the machine transplanting of rice.
The present invention utilizes stalk as rice seedling root system mounting medium, the carrier of root growth, therefore through pulverizing processing, will form fluffy state, being convenient to seedlings root growth, being also convenient to the root system when paddy machinery is planted and being easily separated.Water-loss reducer educates the important composition composition of water pipe as drought, and the water retention capacity of straw substrate itself is poor, and seedling-cultivation plate stromal thickness only has about 2cm, and moisture loss is fast, and water-loss reducer can form small watering, meets the absorption of root system to moisture.Disinfectant carries out disinfection to stalk, and meanwhile, active ingredient also can carry out disinfection to the surface of the seed, suppresses the generation of disease, improves the resistance against diseases of seedling, ensures seedling normal growth in seedling stage.Regulating acid agent is according to the pH value of matrix, carry out acid adjustment, rice seedling is suitable for growing in slightly acidic environment, and Seed imbibes germinates fast, and physiological function is vigorous, the development of rhizoctonia solani can be suppressed, strengthen Resistance of Seedling, when soil pH value is more than 7, paddy rice germinates, growth of emerging significantly dies down, when soil pH value lower than 4 time paddy rice germinate also suppressed, soil pH value is with 5 ~ 6 optimum paddy rice germination and emergence and growth of seedling.Fertilizer is then the indispensable nutriment of growth of seedling, by the long-acting collocation with quick-acting fertilizer, and continual confession and seedling growth.Be made up of above various compositions without native straw substrate, substitute traditional Nutrition Soil completely, it is applied to machine-transplanted rice plate seedling raising, and weight is equivalent to 1/10 of Nutrition Soil seedling simultaneously, alleviates rice transplanter machine transplanting of rice load, improves machine transplanting of rice efficiency.
Compared with prior art, one of beneficial effect of the present invention is: the present invention effectively utilizes a large amount of crops straw such as rape, corn, paddy rice existed in agricultural production, especially rape stalk, because bar is high, loose, mechanized harvest degree is low, difficult treatment, rural area is abandoned rape stalk and is seen everywhere.Pass through crushing straw, collocation core substance, make the paddy machinery seedling raising ground substance of complete, lightweight, the easy transport of nutrition, have simple to operate, volume comparatively light, be convenient to that carrying, seedling quality are good, the feature such as fast of turning green, high-quality rice shoot can be cultivated, be applicable to centralization machine transplanting of rice seedling demand, solve the problem that mechanical seedling seedling cultivation of rice fetches earth year after year, there is good application prospect.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Percentage in the disinfectant that following each embodiment uses all refers to the mass content of its active ingredient, as 70% fenaminosulf pulvis refers to that its fenaminosulf active ingredient mass content is 70%.
Embodiment 1
Matrix prepares: the crushed material rape stalk dried being ground into 3mm with conventional stalk crasher, gets 10kg for subsequent use.Then disinfectant (70% fenaminosulf pulvis) 12g is taken respectively, water-loss reducer (polyacrylamide) 30g, conditioning agent (10% paclobutrazol wetting powder) 20g, regulating acid agent (humus water soluble fertilizer) 20g, nitrogenous fertilizer (urea and ureaformaldehyde, mass ratio 1:1) 150g, phosphate fertilizer (ammonium phosphate) 50g, potash fertilizer (potassium sulfate) 50g.
Disinfectant, water-loss reducer, conditioning agent, regulating acid agent, nitrogenous fertilizer, phosphate fertilizer, potash fertilizer are poured in basin respectively, add clear water, dissolve completely and sprinkle on powder of straw particle, fully mix, dry wet with hand pinch agglomerating, land namely loose being advisable.Its water content is 72%, pH is after testing 5.5.
Trench digging bedding, preparing nursery bed.This seedling-cultivating method without native straw substrate is Rice Seedling Culture Under Dry Condition water pipe, is also the key method utilizing this substrate seedling, ensures that seedbed is in dry and wet state for a long time, and the plant height and the root that control seedling are long.Selection physical features is smooth, irrigation and drainage nonirrigated farmland or paddy field easily, sowing before meticulous wholely, trench digging bedding, open railway carriage or compartment with 1.8m, ditch (ridge) wide 35cm, railway carriage or compartment face width 145cm, ditch depth 30cm, bed soil carefully no-sundries, face, railway carriage or compartment is smooth, ensure seedling dish can with face, railway carriage or compartment close contact, and hold successfully in seedbed surrounding and enclose ditch, ensure to be convenient to water management between nursery stage.
Put raising rice seedlings vinyl disc (being called for short seedling dish): seedling dish (specification is the plastic floppy disk of 58.8cm × 28cm × 2cm) is lain on face, railway carriage or compartment, ensure fully to contact with soil with have gentle hands pressure seedling dish, to handle well and reach moisture requirement load in seedling seedling dish without native straw substrate, leveling compacting, thickness 2.0cm, be 120g/ dish through sterilization by the amount of broadcasting, seed soaking, seed after vernalization shows money or valuables one carries unintentionally is sowed in matrix, by same matrix, seed is covered tightly again, cladding thickness 0.3cm, finally spraying proper amount of clear water makes matrix fully contact with seed, then arch is taken, epiphragma.
Seedbed management: sowing until completely now in pin process, epiphragma always, to be incubated, moisturizing is main, but temperature in the shed more than 36 DEG C time aeration-cooling, occur that matrix is floating during existing pin, then pat with broom, make the matrix of conglomeration loose; After existing pin, take off film in the morning, and epiphragma carries out hardening at dusk; Seedling two leaf wholeheartedly after, strictly to control moisture, the overgrowing of seedling can not be caused because of excess moisture, simultaneously also to prevent moisture from evaporate, run into that matrix is turned white, seedling sharp hai roll time to spray in time moisturizing, reach the object that seedling is strengthened, root is many, Ye Lv, body are good for water educates non-irrigated pipe, to delay the contradiction of transplanting crops for rotation, thus effectively increase the time of seedling on ground, seedbed, be unlikely to form old seedling, stiff seedling, turn green after ensureing transplanting to land for growing field crops soon, growing way is prosperous, tiller early.
Cultivate to rice seedlings three leaf and wholeheartedly can transplant, simultaneously according to field conditions seedling age grow into five leaves wholeheartedly time also can transplant, spray the medicament of prevention generation striped rice borer and prevention land for growing field crops leaf pest before transplanting, then continue cultivation 2 days, carry out band medicine and transplant.
Embodiment 2
Matrix prepares: the crushed material rape stalk dried, wheat stalk, maize straw and rice straw being ground into 3mm with conventional stalk crasher, the crushed material of wheat stalk, maize straw and rice straw is mixed according to mass ratio 1:1:1 and obtains compound, then get 5000g compound and mix for subsequent use with 5000g rape stalk crushed material.Then disinfectant (50% powder of carbendazim) 47.6g is taken respectively, water-loss reducer (starch grafted acrylate) 40g, conditioning agent (root-inducing powder) 10g, nitrogenous fertilizer (ammonium sulfate and oxamides, mass ratio 1:1) 100g, phosphate fertilizer (Dicalcium Phosphate) 50g, potash fertilizer (potassium sulfate) 50g.
Disinfectant, water-loss reducer, conditioning agent, nitrogenous fertilizer, phosphate fertilizer, potash fertilizer are poured in basin respectively, add clear water, dissolve completely and sprinkle on powder of straw particle, fully mix, dry wet with hand pinch agglomerating, land namely loose being advisable.Its water content is 65%, pH is after testing 6.2.PH value is too high, adds 100g ammonium sulfate and superphosphate 30g, and detecting pH value is 5.8, reaches requirement.
Trench digging bedding, preparing nursery bed.This seedling-cultivating method without native straw substrate is Rice Seedling Culture Under Dry Condition water pipe, is also the key method utilizing this substrate seedling, ensures that seedbed is in dry and wet state for a long time, and the plant height and the root that control seedling are long.Selection physical features is smooth, irrigation and drainage nonirrigated farmland or paddy field easily, sowing before meticulous wholely, trench digging bedding, open railway carriage or compartment with 1.8m, ditch (ridge) wide 40cm, railway carriage or compartment face width 140cm, ditch depth 35cm, bed soil carefully no-sundries, face, railway carriage or compartment is smooth, ensure seedling dish can with face, railway carriage or compartment close contact, and hold successfully in seedbed surrounding and enclose ditch, ensure to be convenient to water management between nursery stage.
Put raising rice seedlings vinyl disc (being called for short seedling dish): seedling dish (specification is the plastic floppy disk of 58.8cm × 28cm × 2cm) is lain on face, railway carriage or compartment, ensure fully to contact with soil with have gentle hands pressure seedling dish, to handle well and reach moisture requirement load in seedling seedling dish without native straw substrate, leveling compacting, thickness 1.5cm, be 120g/ dish through sterilization by the amount of broadcasting, seed soaking, seed after vernalization shows money or valuables one carries unintentionally is sowed in matrix, by same matrix, seed is covered tightly again, cladding thickness 0.5cm, finally spraying proper amount of clear water makes matrix fully contact with seed, then arch is taken, epiphragma.
Seedbed management: sowing until completely now in pin process, epiphragma always, to be incubated, moisturizing is main, but temperature in the shed more than 36 DEG C time aeration-cooling, occur that matrix is floating during existing pin, then pat with broom, make the matrix of conglomeration loose; After existing pin, take off film in the morning, and epiphragma carries out hardening at dusk; Seedling two leaf wholeheartedly after, strictly to control moisture, the overgrowing of seedling can not be caused because of excess moisture, simultaneously also to prevent moisture from evaporate, run into that matrix is turned white, seedling sharp hai roll time to spray in time moisturizing, reach the object that seedling is strengthened, root is many, Ye Lv, body are good for water educates non-irrigated pipe, to delay the contradiction of transplanting crops for rotation, thus effectively increase the time of seedling on ground, seedbed, be unlikely to form old seedling, stiff seedling, turn green after ensureing transplanting to land for growing field crops soon, growing way is prosperous, tiller early.
Cultivate to rice seedlings three leaf and wholeheartedly can transplant, simultaneously according to field conditions seedling age grow into five leaves wholeheartedly time also can transplant, spray the medicament of prevention generation striped rice borer and prevention land for growing field crops leaf pest before transplanting, then continue cultivation 3 days, carry out band medicine and transplant.
Embodiment 3
Matrix prepares: the crushed material rape stalk dried, maize straw and rice straw being ground into 3mm with conventional stalk crasher, the crushed material of maize straw and rice straw is mixed according to mass ratio 1:1 and obtains compound, then get 4000g compound and mix for subsequent use with 4000g rape stalk crushed material.Then disinfectant (45% makes hectogram bactericidal liquid) 35.5g is taken respectively, water-loss reducer (starch grafted acrylate) 40g, conditioning agent (root-inducing powder) 6g, nitrogenous fertilizer (urea and oxamides, mass ratio 1:1) 140g, phosphate fertilizer (Dicalcium Phosphate) 60g, potash fertilizer (potassium sulfate) 60g.
Disinfectant, water-loss reducer, conditioning agent, nitrogenous fertilizer, phosphate fertilizer, potash fertilizer are poured in basin respectively, add clear water, dissolve completely and sprinkle on powder of straw particle, fully mix, dry wet with hand pinch agglomerating, land namely loose being advisable.Its water content is 75%, pH is after testing 6.8.PH value is too high, and adding pH after regulating acid agent (furfural dregs) 60g is 5.2, reaches requirement.
Trench digging bedding, preparing nursery bed.This seedling-cultivating method without native straw substrate is Rice Seedling Culture Under Dry Condition water pipe, is also the key method utilizing this substrate seedling, ensures that seedbed is in dry and wet state for a long time, and the plant height and the root that control seedling are long.Selection physical features is smooth, irrigation and drainage nonirrigated farmland or paddy field easily, sowing before meticulous wholely, trench digging bedding, open railway carriage or compartment with 1.8m, ditch (ridge) wide 30cm, railway carriage or compartment face width 150cm, ditch depth 30cm, bed soil carefully no-sundries, face, railway carriage or compartment is smooth, ensure seedling dish can with face, railway carriage or compartment close contact, and hold successfully in seedbed surrounding and enclose ditch, ensure to be convenient to water management between nursery stage.
Put raising rice seedlings vinyl disc (being called for short seedling dish): seedling dish (specification is the plastic floppy disk of 58.8cm × 28cm × 2cm) is lain on face, railway carriage or compartment, ensure fully to contact with soil with have gentle hands pressure seedling dish, to handle well and reach moisture requirement load in seedling seedling dish without native straw substrate, leveling compacting, thickness 1.8cm, be 120g/ dish through sterilization by the amount of broadcasting, seed soaking, seed after vernalization shows money or valuables one carries unintentionally is sowed in matrix, by same matrix, seed is covered tightly again, cladding thickness 0.5cm, finally spraying proper amount of clear water makes matrix fully contact with seed, then arch is taken, epiphragma.
Seedbed management: sowing until completely now in pin process, epiphragma always, to be incubated, moisturizing is main, but temperature in the shed more than 36 DEG C time aeration-cooling, occur that matrix is floating during existing pin, then pat with broom, make the matrix of conglomeration loose; After existing pin, take off film in the morning, and epiphragma carries out hardening at dusk; Seedling two leaf wholeheartedly after, strictly to control moisture, the overgrowing of seedling can not be caused because of excess moisture, simultaneously also to prevent moisture from evaporate, run into that matrix is turned white, seedling sharp hai roll time to spray in time moisturizing, reach the object that seedling is strengthened, root is many, Ye Lv, body are good for water educates non-irrigated pipe, to delay the contradiction of transplanting crops for rotation, thus effectively increase the time of seedling on ground, seedbed, be unlikely to form old seedling, stiff seedling, turn green after ensureing transplanting to land for growing field crops soon, growing way is prosperous, tiller early.
Cultivate to rice seedlings three leaf and wholeheartedly can transplant, simultaneously according to field conditions seedling age grow into five leaves wholeheartedly time also can transplant, spray the medicament of prevention generation striped rice borer and prevention land for growing field crops leaf pest before transplanting, then continue cultivation 2 days, carry out band medicine and transplant.
Seedling quality compares
Of the present inventionly (adding commercial nursery companion and appropriate fertilizer) to adopt non-irrigated mode nursery of educating water pipe without native straw substrate and self-control Nutrition Soil matrix, kind is continuous fragrant 576, soaked seed April 19, vernalization on the 22nd, sowing on the 24th, respectively analysis is compared to seedling quality in May 11 and May 24, the results are shown in Table 1.
The seedling quality comparative result of table 1 different substrates nursery
As can be seen from Table 1, without the rice shoot plant height of native straw substrate lower than Nutrition Soil matrix, illustrate under the prerequisite of seedling dish high-density sowing, effective control has been carried out to plant height, be unlikely to rice shoot overgrowing; In root system without the root system of native straw substrate obviously more than Nutrition Soil matrix, false stem is thick also higher than Nutrition Soil matrix, illustrates that the rice shoot without native straw substrate is better than Nutrition Soil; From the situation of yellow leaf, the yellow number of sheets without native straw substrate does not occur substantially, illustrates to be better than Nutrition Soil matrix without native straw substrate growing environment, can well extend the length of time rice seedlings grow, postpone transplanting time, solves the contradiction of crops for rotation.In disease, do not find damping off, and the incidence of disease of the damping off of Nutrition Soil is 3.7% without native straw substrate, the rice shoot general performance further illustrated without native straw substrate is, tall and straight, short strong, the advantage such as root is many, packing power is strong of leaf look delicate and pretty.
Performance analysis
Performance analysis is carried out without native straw substrate and self-control Nutrition Soil matrix.
1, shoot transplanting equipment when transplanting without the weight of native straw substrate is self-control Nutrition Soil matrix 1/4, just work efficiency is improve in the link of transport, simultaneously, when transplanting without native straw substrate, seedling dish is light, quality good, point root is easy, alleviate the load of rice transplanter, plant quality and be better than Nutrition Soil matrix, and after seedling growing, period of seedling establishment is shorter than Nutrition Soil 3 days, tiller and occur faster than Nutrition Soil.
2, cost of manufacture needs 25 seedling-cultivation plates to carry out cost analysis to transplant 1 mu of land for growing field crops, rape stalk needs 10kg, pulverize cost and only need 5.00 yuan, Nutrition Soil wants 100kg, through rise soil, pulverize, three links of sieving, integrated cost is 16.00 yuan, and only this matrix is pulverized, and Nutrition Soil matrix is just higher than straw substrate a lot.
3, comprehensive benefit straw substrate is for main material with the stalk of crop, solve that stalk is arbitrarily stacked, the problem of environmental pollution of on-site incineration, for stalk comprehensive utilization have found a new approach, substitute Nutrition Soil simultaneously and effectively reduce destruction to arable land soil layer as seedling medium, facilitate the sustainable development of agricultural production.
Although with reference to multiple explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.More particularly, in scope disclosed in the present application, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.
Claims (10)
1. a Rice Seedling Culture Under Dry Condition water pipe without native straw substrate, it is characterized in that containing mass ratio be powder of straw particle: disinfectant: water-loss reducer: conditioning agent: regulating acid agent: nitrogenous fertilizer: phosphate fertilizer: the raw material of potash fertilizer=300.0 ~ 500.0:0.4 ~ 1.2:1.0 ~ 2.0:0.1 ~ 0.5:0 ~ 2.0:2.0 ~ 10:0.5 ~ 5.0:0.5 ~ 5.0, the water content of described matrix is 65% ~ 75%, and pH value is 5 ~ 6.
2. Rice Seedling Culture Under Dry Condition water pipe according to claim 1 without native straw substrate, it is characterized in that described stalk is at least one in rape stalk, wheat stalk, maize straw, rice straw.
3. Rice Seedling Culture Under Dry Condition water pipe according to claim 2 without native straw substrate, it is characterized in that described stalk is the mixture of rape stalk, wheat stalk, maize straw and rice straw, wherein rape stalk accounts for 50% of stalk gross mass, the mass mixings such as wheat stalk, maize straw, rice straw.
4. Rice Seedling Culture Under Dry Condition water pipe according to claim 1 without native straw substrate, it is characterized in that described disinfectant is fenaminosulf, carbendazim, thiophanate methyl, strong chlorine oil or makes hectogram; Described water-loss reducer is acrylamide and acrylic acid salt crosslinking copolymerization thing or starch grafted acrylate crosslinking copolymerization thing; Described conditioning agent is root-inducing powder or paclobutrazol; Described regulating acid agent is Cosan, vinegar, ferrous sulfate, furfural dregs or humus.
5. Rice Seedling Culture Under Dry Condition water pipe according to claim 1 without native straw substrate, it is characterized in that described nitrogenous fertilizer comprises instant nitrogenousfertilizer and the slow-release nitrogen fertilizer of mass ratio 1:1, described instant nitrogenousfertilizer is ammonium sulfate, ammonium chloride, ammonium nitrate or urea, and described slow-release nitrogen fertilizer is ureaformaldehyde, isobutylidene two urea, butenylidene two gland or oxamides; Described phosphate fertilizer is superphosphate, double superphosphate or Dicalcium Phosphate; Described potash fertilizer is potassium sulfate.
6. Rice Seedling Culture Under Dry Condition water pipe according to claim 1 without native straw substrate, it is characterized in that described matrix is applicable to the raising rice seedlings vinyl disc that the degree of depth is 2 ~ 3cm.
7. adopt the seedling-cultivating method without native straw substrate as described in any one of claim 1 ~ 6, it is characterized in that comprising the following steps:
(1) all for other except regulating acid agent raw materials are mixed in proportion, add water and stir, make the water content of mixture reach 65% ~ 75%;
(2) detect the pH value of described mixture, regulate according to following requirement, obtain without native straw substrate: when pH≤6, do not regulate pH; As 6 < pH < 6.5, the consumption strengthening acidic fertilizier within the scope of material rate regulates pH; When pH >=6.5, in seedling raising ground substance, add regulating acid agent be adjusted to 5≤pH≤6;
(3) trench digging bedding: the railway carriage or compartment face width 140 ~ 150cm in seedbed, face, railway carriage or compartment surrounding is opened and is enclosed ditch, furrow width 30 ~ 40cm, ditch depth >=30cm;
(4) lie on face, railway carriage or compartment by raising rice seedlings vinyl disc, light pressure raising rice seedlings vinyl disc makes it fully contact with soil; Raising rice seedlings vinyl disc will be loaded without native straw substrate, thickness without native straw substrate after leveling compacting is 1.5 ~ 2.0cm, to sow without on native straw substrate through pretreated seed, again with thickness be 0.3 ~ 0.5cm cover seed without native straw substrate, spray proper amount of clear water to make fully to contact with seed without native straw substrate, then take arch, epiphragma;
(5) seedbed management is until shoot transplanting equipment: sowing until completely now in pin process, epiphragma carries out moisture-heat preservation always, but temperature in the shed more than 36 DEG C time aeration-cooling; If occur, matrix is floating, then pat with broom, makes the matrix of conglomeration loose; After existing pin, take off film in the morning, and epiphragma carries out hardening at dusk, if occur early, late rice shoot blade without the globule, blade group clot at noon, early, the one of the dry three kinds of phenomenons of late seedbed bed soil, wet bed of watering soil.
8. the seedling-cultivating method without native straw substrate according to claim 7, it is characterized in that the described pretreated seed of step (4) refer to the seed after sterilization, seed soaking, vernalization show money or valuables one carries unintentionally or sterile-processed after without the dry seeds of vernalization.
9. the seedling-cultivating method without native straw substrate according to claim 7, is characterized in that described acidic fertilizier is superphosphate or ammonium sulfate.
10. the seedling-cultivating method without native straw substrate according to claim 7, is characterized in that first 2 ~ 3 days of described shoot transplanting equipment, sprays the medicament of prevention generation striped rice borer and prevention land for growing field crops leaf pest, carries out band medicine and transplants.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510869095.5A CN105432449B (en) | 2015-12-02 | 2015-12-02 | A kind of Rice Seedling Culture Under Dry Condition water pipe without native straw substrate and method for culturing seedlings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510869095.5A CN105432449B (en) | 2015-12-02 | 2015-12-02 | A kind of Rice Seedling Culture Under Dry Condition water pipe without native straw substrate and method for culturing seedlings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105432449A true CN105432449A (en) | 2016-03-30 |
| CN105432449B CN105432449B (en) | 2018-05-01 |
Family
ID=55543446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510869095.5A Active CN105432449B (en) | 2015-12-02 | 2015-12-02 | A kind of Rice Seedling Culture Under Dry Condition water pipe without native straw substrate and method for culturing seedlings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105432449B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105948971A (en) * | 2016-04-23 | 2016-09-21 | 永州鑫丰农业生物科技有限公司 | Tobacco flue-curing waste-based multifunctional seedling raising matrix for machine-transplanted rice seedlings |
| CN106576494A (en) * | 2016-12-08 | 2017-04-26 | 黑龙江八农垦大学 | Soaked-seed-and-compound-substrate-integrally-formed cold-region rice seedling culturing method |
| CN107586232A (en) * | 2017-11-08 | 2018-01-16 | 河南省农业科学院园艺研究所 | Special rape stalk seedling medium of a kind of vegetables and preparation method thereof |
| CN107640989A (en) * | 2017-10-26 | 2018-01-30 | 武汉日清生物科技有限公司 | A kind of long-acting type cultivation matrix and Nutrition Soil regulating acid agent and preparation method thereof |
| CN107950327A (en) * | 2017-12-05 | 2018-04-24 | 汉中市农业科学研究所（陕西省水稻研究所） | A kind of red rice high yield cultivating method |
| CN107980569A (en) * | 2016-10-24 | 2018-05-04 | 梁小琼 | A kind of soilless culture method of rice |
| CN108359472A (en) * | 2018-02-08 | 2018-08-03 | 冯玉勇 | A kind of nursery soil regulating acid agent and its preparation method and application |
| CN111480560A (en) * | 2020-04-22 | 2020-08-04 | 河北稻宇农业开发有限公司 | Soilless rice seedling raising method |
| CN111742813A (en) * | 2020-05-11 | 2020-10-09 | 徐州惠满丰种业有限公司 | Method for preparing rice seedling raising soil by utilizing wormcast and using method thereof |
| CN114503906A (en) * | 2022-03-14 | 2022-05-17 | 周纯有 | Straw substrate rice seedling raising method |
| CN115024188A (en) * | 2022-01-21 | 2022-09-09 | 江苏省农业科学院 | Preparation method of nitrogen slow-release type straw seedling raising substrate disc |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202603324U (en) * | 2012-04-19 | 2012-12-19 | 中国水稻研究所 | Integrated soilless mechanical-transplanting seedling-raising matrix block for rice |
| CN103283548A (en) * | 2013-06-17 | 2013-09-11 | 金寨县冠友盆景园艺有限公司 | Rice soilless culture method |
| CN103435423A (en) * | 2013-09-08 | 2013-12-11 | 王晓忠 | Total nutrient rice seedling culture substrate |
| CN103964948A (en) * | 2014-04-23 | 2014-08-06 | 中国水稻研究所 | Special selenium-rich, soilless and organic seedling raising interstitial substance for paddy rice and production method thereof |
| CN104206240A (en) * | 2014-09-10 | 2014-12-17 | 绵阳市农业科学研究院 | Rice seedling raising method for rice seedling transplantation of soilless straw substrate rice seedling transplanter |
| CN104261914A (en) * | 2014-10-16 | 2015-01-07 | 绵阳市农业科学研究院 | Household soilless culture medium and preparation and application thereof |
-
2015
- 2015-12-02 CN CN201510869095.5A patent/CN105432449B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202603324U (en) * | 2012-04-19 | 2012-12-19 | 中国水稻研究所 | Integrated soilless mechanical-transplanting seedling-raising matrix block for rice |
| CN103283548A (en) * | 2013-06-17 | 2013-09-11 | 金寨县冠友盆景园艺有限公司 | Rice soilless culture method |
| CN103435423A (en) * | 2013-09-08 | 2013-12-11 | 王晓忠 | Total nutrient rice seedling culture substrate |
| CN103964948A (en) * | 2014-04-23 | 2014-08-06 | 中国水稻研究所 | Special selenium-rich, soilless and organic seedling raising interstitial substance for paddy rice and production method thereof |
| CN104206240A (en) * | 2014-09-10 | 2014-12-17 | 绵阳市农业科学研究院 | Rice seedling raising method for rice seedling transplantation of soilless straw substrate rice seedling transplanter |
| CN104261914A (en) * | 2014-10-16 | 2015-01-07 | 绵阳市农业科学研究院 | Household soilless culture medium and preparation and application thereof |
Non-Patent Citations (4)
| Title |
|---|
| 仲海洲: "利用废弃生物质开发水稻育秧基质及其应用效果研究", 《中国优秀硕士学位论文全文数据库 农业科技辑》 * |
| 张体刚等: "油菜秸秆利用新途径 水稻无土育秧基质初探", 《四川农业科技》 * |
| 武际等: "不同水稻栽培模式和秸秆还田方式下的油菜、小麦秸秆腐解特征", 《中国农业科学》 * |
| 王其传等: "机插水稻无土基质育秧新技术", 《农业科技通讯》 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105948971A (en) * | 2016-04-23 | 2016-09-21 | 永州鑫丰农业生物科技有限公司 | Tobacco flue-curing waste-based multifunctional seedling raising matrix for machine-transplanted rice seedlings |
| CN107980569A (en) * | 2016-10-24 | 2018-05-04 | 梁小琼 | A kind of soilless culture method of rice |
| CN106576494B (en) * | 2016-12-08 | 2018-03-09 | 黑龙江八一农垦大学 | Seed soaking seed and the integrally formed paddy rice in cold region method for culturing seedlings of composite interstitial substance |
| CN106576494A (en) * | 2016-12-08 | 2017-04-26 | 黑龙江八农垦大学 | Soaked-seed-and-compound-substrate-integrally-formed cold-region rice seedling culturing method |
| CN107640989A (en) * | 2017-10-26 | 2018-01-30 | 武汉日清生物科技有限公司 | A kind of long-acting type cultivation matrix and Nutrition Soil regulating acid agent and preparation method thereof |
| CN107586232A (en) * | 2017-11-08 | 2018-01-16 | 河南省农业科学院园艺研究所 | Special rape stalk seedling medium of a kind of vegetables and preparation method thereof |
| CN107586232B (en) * | 2017-11-08 | 2018-06-22 | 河南省农业科学院园艺研究所 | A kind of dedicated rape stalk seedling medium of vegetables and preparation method thereof |
| CN107950327A (en) * | 2017-12-05 | 2018-04-24 | 汉中市农业科学研究所（陕西省水稻研究所） | A kind of red rice high yield cultivating method |
| CN108359472A (en) * | 2018-02-08 | 2018-08-03 | 冯玉勇 | A kind of nursery soil regulating acid agent and its preparation method and application |
| CN111480560A (en) * | 2020-04-22 | 2020-08-04 | 河北稻宇农业开发有限公司 | Soilless rice seedling raising method |
| CN111742813A (en) * | 2020-05-11 | 2020-10-09 | 徐州惠满丰种业有限公司 | Method for preparing rice seedling raising soil by utilizing wormcast and using method thereof |
| CN115024188A (en) * | 2022-01-21 | 2022-09-09 | 江苏省农业科学院 | Preparation method of nitrogen slow-release type straw seedling raising substrate disc |
| CN115024188B (en) * | 2022-01-21 | 2024-02-23 | 江苏省农业科学院 | Preparation method of nitrogen slow-release type straw seedling raising substrate tray |
| CN114503906A (en) * | 2022-03-14 | 2022-05-17 | 周纯有 | Straw substrate rice seedling raising method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105432449B (en) | 2018-05-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105432449B (en) | A kind of Rice Seedling Culture Under Dry Condition water pipe without native straw substrate and method for culturing seedlings | |
| CN103988685B (en) | A kind of high-yield cultivating method of selenium-rich peanuts | |
| CN106358748A (en) | Dry land spring corn planting method based on straw turnover | |
| CN104396500A (en) | Eggplant planting method | |
| CN103864536A (en) | Full-nutrient paddy rice seedling breeding matrix and preparation method thereof | |
| CN105237141B (en) | A kind of straw biological matrix seedling-cultivation plate and preparation method thereof | |
| AU2020100016A4 (en) | Method for three-round cultivation of double cropping rice field | |
| CN102124890A (en) | Farmland planting method of high-selenium crops | |
| CN108456109A (en) | A method of promoting returning to the field straw decomposition | |
| CN104876713A (en) | Fertilizer with high saline-alkali soil organic matter content and application of fertilizer in planting of amorpha fruticosa | |
| CN105493678A (en) | Method for improving orchard soil | |
| CN108029493A (en) | Plant peanut and the method for improveing clay fertilizer situation in sandyization salt-soda soil | |
| CN102160511B (en) | Novel cultivation, precise fertilization and comprehensive cultivation method for single cropping rice | |
| CN105684851A (en) | Soilless rice nursery straw substrate and preparation method thereof | |
| CN107382496A (en) | A kind of artificial soil for strengthening crop anti-adversity and the method for strengthening crop anti-adversity | |
| Hugar et al. | Influence of different establishment methods on yield and economics of rice | |
| CN105900759A (en) | Early-season rice seedling throwing cultivation method | |
| CN102893739B (en) | Millet method for culturing and transplanting seedlings | |
| CN104126392B (en) | The cuttage and seedling culture method of a kind of balloonflower root | |
| CN106995320A (en) | Modified form partile cyanamid prevents and treats the method and purposes of tomato blossom-end rot and dehiscent fruit | |
| CN109020651A (en) | The fast well-fattened special fertilizer and the preparation method and application thereof of salinization of soil farmland tillaging layer soil | |
| CN108848728A (en) | Shajiang black soil topsoil modification method under the conditions of the crop rotation of winter wheat-summer maize system anniversary | |
| CN107980529A (en) | Prevent and kill off the quadrate planting method of clover weeds in field | |
| CN108029505A (en) | A kind of rice soilless breeding seeding rice husk matrix substrate and preparation method | |
| CN110301311A (en) | A kind of implantation methods of selenium-rich rice and rich selenium vegetables crop rotation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |