CN105103857A - Saline-alkali soil brackish water film mulching drip irrigation processing tomato planting method - Google Patents
Saline-alkali soil brackish water film mulching drip irrigation processing tomato planting method Download PDFInfo
- Publication number
- CN105103857A CN105103857A CN201510502056.1A CN201510502056A CN105103857A CN 105103857 A CN105103857 A CN 105103857A CN 201510502056 A CN201510502056 A CN 201510502056A CN 105103857 A CN105103857 A CN 105103857A
- Authority
- CN
- China
- Prior art keywords
- irrigation
- water
- processing tomato
- irrigator
- brackish water
- 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
- A01G2/00—Vegetative propagation
-
- 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
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
- A01G25/023—Dispensing fittings for drip irrigation, e.g. drippers
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Abstract
The invention provides a saline-alkali soil brackish water film mulching drip irrigation processing tomato planting method, which comprises the following steps: (1) planting processed tomatoes: planting the processed tomatoes by adopting a manner of wide rows and high ridges, and mulching a white film above plants; (2) laying out a drip irrigation system, wherein an interval b between the drip irrigation systems is 48 to 52 cm; an interval a between drip emitters is 0.25 to 0.35 m; (3) carrying out high-frequency and small fixed amount water irrigation in a growing period of the processed tomatoes: alternatively irrigating brackish water and fresh water, and adopting the fresh water for irrigation in a seedling stage, and no irrigation in a red-mature period. The invention puts forward a cultivation method taking the brackish water and saline-alkali soil as targets in combination with the realities of shortage of fresh water resources, abundant underground brackish water resources and serious soil salinization in an arid region and a semi-arid region, and not only moisture is enabled to be held up within a field microcirculation of soil-and-film, deep seepage losses of the moisture are greatly reduced, but also under-film soil evaporation is remarkably lowered, sources of soil secondary salinization are cut off and the surface accumulation of salt is eliminated.
Description
Technical field
The invention belongs to agriculture field, be specifically related to a kind of method of vegetables of planting based on poor-quality water exploitation basis upper employing overlay film and drip irrigation technique.
Background technology
The salinization of soil becomes global problem, wherein China's saline-alkali soil area about 2,460 ten thousand hm
2, tilth salinization 7,600,000 hm
2, there is salinization of soil in the arable land of about nearly 1/5.The reasonable Efficient Development in saline land is to promoting China's productivity of land, improving the ecological environment, ensureing that grain security is significant.But a large amount of salt ions contained in salt affected soil can hinder plant normal growth and the absorption to nutrient, moisture by the mode such as Salt Strees Condition, Ion toxicity, thus cause plant can not grow and low yield.A large amount of scientific research scholars attempts to solve salinization of soil problem from many aspects, achieves some more significant achievements, but still fails to be solved well.Utilize fresh water direct irrigation leaching saline-alkali soil to be general ameliorative measure at present, its objective is and utilize fresh water washed out soil salt ion, reduce the salt content of plant roots region soil.But China is also faced with shortage of water resources problem simultaneously, according to water resources in china publication data display in 2012, annual water resource total water consumption 6131.2 hundred million m
3, wherein agricultural water 3902.5 hundred million m
3, account for 63.6% of total water consumption, as using water rich and influential family, Water Consumption in Agriculture is comparatively compared and is added 119.9 hundred million m for 2010
3.Day by day urgent along with Situation of water resources, freshwater resources worsening shortages, rational exploitation and utilization brackish water resource has strategic importance.China's underground brackish water natural resources are 27,700,000,000 m3, and yield is 13,000,000,000 m
3, amount usable is huge, and most undergrounds brackish water is present in 10-100m place, underground simultaneously, is suitable for exploitation to utilize, and therefore has very great development Exploitative potential at China's development brackish water irrigation.
Owing to containing the multiple nutrients material needed for plant in brackish water, as elements such as Ca, Mg, K, adopt the brackish water irrigation of certain salinity not only can not suppress the growth of crop, soil structure can be improved on the contrary, increase soil permeability, reduce the bulk density of soil, thus improve saturated soil moisture content, increase crop root absorbent function.Effectively use the salt solution of varieties in saline-alkali areas, can also reduce groundwater level, be the effective measures of alkaline land improving simultaneously.The characteristics such as long-term practical application shows, drip irrigation is measured because of its essence, controlled are considered to the most effective irrigation method of brackish water irrigation.Brackish water drip irrigation has obvious conservation benefits relative to flood irrigation and furrow irrigation, relative to sprinkling irrigation its phenomenon that blade face can be avoided completely to burn to death because of salt water.Simultaneously, due to the leaching of drip irrigation, salinity is accumulated near wetted front, and the soil salt content therefore below water dropper is less, is conducive to plant growth.And soil water content is distributed in salt distribution just in time on the contrary, be conducive to the fertility growth of root system.
Processing tomato refers to the special tomato variety being specifically designed to the goods such as catsup processing, tomato fourth, tomato juice, canned whole tomato.Processing tomato, not only containing multivitamin and mineral matter, also contains the lycopene of high-load.Lycopene is a kind of oxygen-free carotenoid, there is the physiological function more had, it not only has anticancer effect pressing down cancer, and for multiple efficacies such as angiocardiopathy preventing, reduction nucleic acid damaging, enhancing human immune systems, and it is all significant to delay senility etc., therefore processing tomato and goods thereof are more and more subject to extensive concern.The processing tomato in the whole world produces area and output increases year by year, and China adds raw tomatoes material processing capacity for 2012 and reaches 1210.9t, and processing tomato scale occupies the second in the world, is only second to the U.S..Processing tomato is as one happiness temperature happiness light type crop, belong to half drought-enduring type, moderate salt density value crop, be a kind of novel water-saving economic crops, widely distributed at salinized soil, that brackish water resource reserve is huge, sunlight-heat reaources is abundant China's Arid&semi-arid area has good promotion prospect.Therefore, the saline land brackish water drip irrigation processing tomato technology setting up reasonable benefit/risk high yield is very necessary.Also a lot of experts and scholars are had to propose saline land brackish water irrigation method at present, as: Chinese Academy of Sciences's geography can continue brave wait (application publication number: CN10507403A) with the Study on Resources institute Kang Yue and disclose a kind of saline-land salt-water drip-irrigation medlar cultivation method, the method makes boxthorn root district maintain higher soil water potential by measures such as ridging, overlay film, salt water drip irrigations, thus provide the good growing environment of matrimony vine, but the method does not consider detailed water-fertilizer integral scheme, irrigator is as the core component of drip irrigation system simultaneously, does not propose the system of selection of irrigator.Cultivate for processing tomato, the Li Dongfang of Institute of Agricultural Science, Agricultural Sixth Division, Xinjiang Production Construction For etc. (application publication number: CN103609292) disclose a kind of under-film drip irrigation processing tomato cultivation method, according to different cultivars intermission seeding, to extend the production cycle of processing tomato.But study mainly for the cultivation method of processing tomato, yet there are no with processing tomato is the saline land brackish water drip irrigation method of research object.
Summary of the invention
For the weak point that this area exists, the present invention proposes a kind of saline land brackish water covering membrane and drop irrigation processing tomato implantation methods, utilize brackish water drip irrigation processing tomato, establish processing tomato fertigation system, propose drip irrigation system to arrange and irrigator system of selection, define a set of being suitable at saline land brackish water covering membrane and drop irrigation processing tomato method and system.
The technical scheme realizing above-mentioned purpose of the present invention is:
A kind of saline land brackish water covering membrane and drop irrigation processing tomato implantation methods, comprises the following steps:
1) to plant processing tomato: processing tomato adopts wide row high ridge to plant, ridge shoulder breadth 0.85-0.95m, and ridge height 0.28-0.33m, covers white mulch film above plant;
2) drip irrigation system is laid: irrigate band spacing 48-52cm, space between irrigator 0.25-0.35m, adopts a line one band to lay;
3) carry out high frequency little quota vegetative period at processing tomato to pour water: brackish water and fresh water rotation flow.Seedling stage is that guarantee is emerged employing fresh water irrigation, and the red ripe phase, for reducing decayed fruit rate, does not pour water.
Wherein, described step 1) in, the processing tomato that ridge is planted is transplanting hole tray seedling, and the processing tomato planting density that ridge is planted is 2800-3000 plant/acre.Particularly, on ridge, tomato can be line-spacing 0.4m, spacing in the rows 0.3m, and two row tomatoes are planted on every ridge,
In this method, will to tension alignment during overlay film, cover firming along ridge, both sides slope, interval 1.5-2.5m is horizontal covers blinding.Transplanting hole tray seedling selects carry out transplant planting the strong sprout of suitable seedling age, and Plug seedling answers overall growing way even, well developed root system, and basal part of stem is lavender, upper green, and leaf look dark green, and blade is plump, infects without scab, bacterial virus.Two row tomatoes are planted on every ridge, and after transplanting, ridging in time, guarantees that root system fully contacts with soil, prevent the bad weathers such as strong wind from causing infringement.Crop growing stage terminates, and opens mulch film after results.
Drip irrigation system comprises water source, pressurization picotan, main pipe, point main, arm and irrigate band (hollow billet), and water source is connected with pressurization picotan by water inlet pipe, the water source stem of formation drip irrigation system; Water source stem connects main pipe, and main pipe is arranged along the field length of side, and main pipe connects 2-8 root and divides main, and a point main is that comb teeth-shaped is arranged; Divide main connecting branch, arm connects hollow billet; Arm and hollow billet orthogonal (be also smooth ground, this plane of ground intersects vertically).Irrigate band (hollow billet) is laid along crop-planting direction, and near crop root, often capable laying irrigate band (hollow billet), ensures that the higher wetting body edge of salt content is outside root system.
So-called a line one band refers near crop root, often capable laying irrigate band.
Further, described step 2) also comprise the selection of irrigator: select accuracy of manufacture CV
m≤ 12%, the irrigator of flow stance index x≤0.5.Percentage of wetted soil is within the scope of 60%-90%.
Because irrigator runner inner flow passage is small-sized, very easily bring out blocking.Irrigator blocking can cause the remarkable reduction of uniformity of irrigation water appilcation, affects crop normal growth and grows, shorten drip irrigation system running time.Meanwhile, containing a large amount of salinities in brackish water, easily reconfiguring and precipitating of salt occurs, bring out electroless Ni-P-C-O plating, this makes, and brackish water drip irrigation system blocks process, mechanism becomes more complicated, and blocking risk occurs also to be increased greatly.Therefore the strong irrigator of performance of anti-blockage is screened by irrigator performance of anti-blockage testing experiment or CFD method for numerical simulation;
Wherein, described flow stance index x is tried to achieve by hydraulic characteristic curve: using working-pressure head h (m) of irrigator as abscissa, irrigator flow value q (L/h), as ordinate, draw hydraulic characteristic curve, and matching obtains hydraulic characteristic curvilinear equation
q＝kh
x(1)
Wherein k is discharge coefficient.Hydraulic characteristic curvilinear equation index is flow stance index x.Flow stance index is one of important indicator characterizing irrigator hydraulic performance, the sensitivity that its reflection irrigator flow changes pressure, and flow stance index is less, and the pressure-dependent fluctuation range of irrigator flow is less.
Wherein, described percentage of wetted soil is:
Wherein, irrigator moist diameter is d (m), and space between irrigator is a (m), and irrigate band spacing is b (m).
The vegetative period of processing tomato comprises seedling stage, flowering stage, setting phase and red ripe phase.Seedling stage: from transplanting seedlings to land for growing field crops during 6-7 leaf, to field 50% seedling cotyledon planish-the flowers are in blossom puts and be divided into seedling stage for field 50% plant first, for ensureing to emerge, ensure ground moistening, be convenient to transplant, flowering stage: the flowers are in blossom puts for field 50% plant first ~ reach 1cm to first fruit diameter of field 50% plant to be divided into flowering stage, the setting phase: first fruit diameter of field 50% plant reaches 1cm has more than 50% fruit to redden as the setting phase to field individual plant.The red ripe phase: field individual plant has more than 50% fruit to redden to plant strain growth gesture to decay harvesting for the red ripe phase, once gather every 7d, for preventing decayed fruit, improving fruit storage property and quality (soluble solid) simultaneously, not pouring water in the red ripe phase.
Preferably, described step 3) according to the different growing stages of processing tomato, irrigation condition is:
Seedling stage: all adopt fresh water irrigation; Flowering stage: irrigation frequency is 1d/ time, brackish water irrigation; The setting phase: irrigation frequency is 1d/ time, brackish water irrigation.
More preferably, seedling stage all adopts fresh water irrigation, dripping irrigation water 2mm before transplanting, drip irrigation 12mm seedling recovering water while of during transplanting, and after 12-16 days, drip irrigation chases after Miao Shui 11mm; Flowering stage adopts brackish water irrigation, and each irrigating water quota is 2mm; The setting phase: adopt brackish water irrigation, each irrigating water quota is 3mm.
In method of the present invention, irrigate the fresh water salinity 0-1.5g/L used, irrigate the brackish water salinity 1.5-3.5g/L used.Irrigation period is 6:00-9:00 point or at dusk 17:30-20:00 period in morning.
Further, tomato applies the fertile and potassium dihydrogen phosphate fertilizer of the fertilizer, the diamines that become thoroughly decomposed in soil as base fertilizer before transplanting seedlings, fertilizing amount is respectively 20-25t/hm
2, 200-280kg/hm
2and 120-180kg/hm
2; Topdress by drip irrigation system Fertigation, respectively in fruit initial phase and mid-term totally twice, execute urea 40-48kg/hm with water at every turn
2, and adopt manual type sprayer to spray foliage fertilizer in the fruit interim phase.
Preferably, described in topdress be by drip irrigation system Fertigation, respectively in fruit initial phase and mid-term totally twice, execute urea 45kg/hm with water at every turn
2.
Beneficial effect of the present invention is:
(1) exploitation is easy in conjunction with arid and semi-arid area freshwater resources shortage, underground brackish water aboundresources, the truth that simultaneously salinization of soil is serious, to propose with Efficient Development poor-quality water (brackish water) and salinized soil be target, and processing tomato increases production modified cultivation method.Brackish water drip irrigation technique and overlay film Root growth technology are organically combined, not only ensure in moisture is intercepted at " soil-film " field microcirculation, significantly reduce the loss of moisture generation deep percolation, under also making film, soil evaporativeness high-amplitude reduces simultaneously, BC soil salinity is up suppressed, blocks Pedotransfer function and originates and eliminate the gathering property of table of salinity.Establish the complete planting system of processing tomato of transplanting hole tray seedling, the plantation of wide row high ridge, precisely water and fertilizer irrigation and overlay film brackish water drip irrigation combined regulating.
(2) the present invention propose cultivation method and irrigation method, adopt plastic-film-covered cultivation decrease Evaporation among plants, adopt drip irrigation irrigate carry out timely and appropriate discovery water supply, improve water efficiency of irrigation, decrease deep percolation.Compared with conventional furrow irrigation (irrigation norm about 670mm), irrigation norm of the present invention is 165mm, and irrigation quantity is down to 1/4, wherein salt water irrigation quantity 108mm, and fresh-water-saving resource 65% has remarkable water saving ability; The present invention is directed to the high-yield cultivating method in saline land, the saline land resource that reasonable efficiency utilization is idle, simultaneously, the drip irrigation system that the present invention proposes is laid, adopt underground to go up pipeline water delivery in combination, instead of and irrigate through furrow by farm ditch canal, saved valuable farmland transformation, there is significantly saving land property, arable land 6-8% can be saved; Lower for saline land nutrient content, adopt the Integration of Water into Fertilizer, can according to the nutrient supply/demand of soil and crop, in good time essence amount ground is to crop root Fertigation, utilization rate of fertilizer can be improved, make barren saline-alkali soil be transformed into the high yield agriculture soil of high added value economic crops, spread fertilizer over the fields fertilizer relative to tradition, save fertile rate and reach more than 20%.
(3) cultivation method that the present invention proposes can improve processing tomato survival rate, reduce damage by disease and insect, and promote that fruit concentrates premature ripening, the irrigation proposed, fertilizing method are by the Scientific Regulation to liquid manure, the supply moisture of in good time essence amount and nutrient, and reduce the salt content in saline land, root district, growth for processing tomato provides good water, salt, fertile environment, Processing Tomato Yield can reach 13.2t/ mu, more traditional level land fresh water flood irrigation plantation processing tomato gained output increased 164%, comparatively adopts ridging fresh water drip irrigation processing tomato gained output increased 24.5%; Simultaneously the nutrient element brought into of brackish water and liquid manure accurately supply the accumulation that can promote processing tomato nutriment, and its sense organ, soluble solid content, total impurities, lycopene index all significantly promote, and reach superfine standard.
Accompanying drawing explanation
Fig. 1 is processing tomato cultivating and growing figure.
Fig. 2 is processing tomato drip irrigation system pipe net arrangement figure.
Fig. 3 is the water source stem layout drawing of processing tomato covering membrane and drop irrigation system.
Fig. 4 is irrigator hydraulic characteristic curve.
In figure, 1-intake pool; 2-water inlet pipe; 3-water pump; 4-non-return valve; 5a-the first ball valve; 5b-the second ball valve; 5c-the 3rd ball valve; 6-water meter; 7-proportion expression fertilizing pump; 8a-the first manometer; 8b-the second manometer; 9-well strainer; 10-laminated filter; 11-air bleeding valve, 12-water source stem, 13-irrigate band, 14-arm; 15-point main.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Embodiment 1:
The present embodiment carries out in dawn experiment station, Linhe District, Baya ur, NeiMengGu city, local genus temperate continental climate, for many years mean temperature of air 6.8 DEG C, mean annual precipitation 140mm, the sunshine time is long, and day and night temperature is large, sunshine time in year reaches 3229.9h, and frost-free season is about 140d.Experimental field the soil texture is sandy loam, and unit weight is 1.58g/cm
3, field capacity is 0.22, bury of groundwater about 1.8m.Plantation Processing Tomato Varieties is that stone collects No. two, utilizes the U.S. to introduce the inbred line N-375 of Processing Tomato Varieties isolation and selection and the precocious processing tomato half-blood of N-47 preparation, belongs to self sealing top type, early-maturing variety.According to control method proposed by the invention and control objectives span, in conjunction with the actual physioclimate situation in local experiment station, finally determine that the saline land processing tomato overlay film brackish water drip irrigation method of this embodiment is as follows:
(1) cultivation method
Adopt wide row high ridge to plant, in April, 2013 artificial ridging cover white mulch film, ridge shoulder breadth 0.9m, ridge height 0.30m, the long 20m in ridge, the ditch heart is apart from being 1.5m.May 18 carried out transplanting hole tray seedling, and two row tomatoes are planted on every ridge, and tomato line-spacing 0.4m, spacing in the rows 0.3m on ridge, planting density is 2935 plants/acre.Carry out 2 intertillages seedling stage, to ensure the gas permeability of soil, within whole breeding time, carry out pest management in time.
(2) drip irrigation system is laid and is selected with irrigator
Drip irrigation system comprises water source, pressurization picotan, main pipe, point main, arm and irrigate band (hollow billet), and water source is connected with pressurization picotan by water inlet pipe, the water source stem 12 of formation drip irrigation system; Water source stem connects main pipe, and main pipe is arranged along the field length of side, and main pipe connects n root and divides main 15, and a point main is that comb teeth-shaped is arranged, respectively with " point main
l 1" ... " point main
l n" mark; A point of main connects m root arm 14, respectively with " arm
l 1, 1" ... " arm
l n, m" mark; It is also smooth ground that arm connects irrigate band 13 (hollow billet), and arm and hollow billet intersect vertically in this plane of ground.Irrigate band 13 is laid along crop-planting direction, and near crop root, often capable laying irrigate band 13, ensure that the higher wetting body edge of salt content is outside root system, its spacing is 0.3m (Fig. 1, Fig. 2).
Irrigate stem system (Fig. 3) to comprise: intake pool 1, water inlet pipe 2, water pump 3, non-return valve 4, first ball valve 5a, the second ball valve 5b and the 3rd ball valve 5c, water meter 6, proportion expression fertilizing pump 7, first manometer 8a and the second manometer 8b, well strainer 9, laminated filter 10, air bleeding valve 11.Intake pool 1 provides source of irrigation water for system, brackish water or fresh water is got preliminary sedimentation filtering water in pond; By water inlet pipe 2, the water source in intake pool 1 extracts for field irrigation, for whole drip irrigation system provides energy source and power by water pump 3; The effect of non-return valve 4 is protection drip irrigation systems, when pump is out of service, prevents liquid in pressure water line from flowing backwards in pump, causes rotor to reverse, damage equipment or pressure piping pressure is sharply declined; System header first ball valve 5a controls the keying of whole irrigation system; Second ball valve 5b and the 3rd ball valve 5c control ratio formula fertilizing pump 7 are opened with the in parallel of system; Proportion expression fertilizing pump 7 utilizes the water body entering fertilizing pump to form pressure reduction head driven plunger or barrier film solution is injected irrigation conduit, in running, Application Ratio is only relevant to pipeline pressure flow, controllable proportion, be more advanced fertilizing equipment, there is high, the working stability of fertilising precision, be easy to the advantages such as control; Water meter 6 is for measuring water consumption, and configuration and the upstream of proportion expression fertilizing pump inlet, prevent solution from corroding water meter; Manometer measures irrigation system hydraulic pressure, not only can monitor the normal operation of water pump, and the first manometer 8a and the second manometer 8b is arranged on before and after filter respectively, judges that filter is the need of cleaning by pressure difference; Well strainer 9 and laminated filter 10, respectively by screen cloth and filter pocket interception impurity, again carry out physical filtering to the irrigation water of the mixed fertilizer in system, reduce irrigator blocking risk.Air bleeding valve 11 ensures system safety operation, produces to prevent negative pressure.
Drip irrigation system part is divided into: water source, pressurization picotan, stem equipment, main pipe, point main, arm and hollow billet.Every capable laying irrigate band near crop root, irrigator selects flat internally-inlaid non-pressure to compensate irrigator, space between irrigator is 0.3m, drip irrigation pipe diameter 16mm, wall thickness 0.6mm, operation pressure interval is within the scope of 0.04-0.25MPa, and rated operating pressure is 0.1MPa, and metered flow is 1.2L/h.Irrigator is selected based on following test:
1) accuracy of manufacture
By actual measurement irrigator operating flux, Measuring Time is 5 minutes, and obtaining irrigator standard deviation S is 0.03L/h, irrigator average discharge q
afor 1.18L/h, calculating this irrigator accuracy of manufacture is 2.5% < 12%, reaches accuracy of manufacture standard.
2) hydraulic performance
Test job pressure range is 1-15m working-pressure head, tests a flow every 1m, and each testing time is 5 minutes.Based on measured discharge, using working-pressure head h (m) of irrigator as abscissa, irrigator flow value q (L/h) is as ordinate, describe hydraulic characteristic curve (as Fig. 4), and matching obtains hydraulic characteristic curvilinear equation, discharge coefficient k is 0.456, and flow stance index x is 0.407 < 0.5, flow of pouring water is described, and with pressure change, the amplitude of fluctuation is less, and hydraulic performance is excellent.
3) performance of anti-blockage
Outdoor bare area acceleration performance of anti-blockage testing experiment is carried out by choosing polytype irrigator in locality, and in indoor, by FLUENT software building standard k-ε model, CFD method for numerical simulation is carried out to irrigator internal process, visual inner critical flow parameter, than the performance of anti-blockage selecting irrigator, the irrigator that screening performance of anti-blockage is strong.
4) ground moistening is checked than P
Obtaining irrigator moist diameter d under rated operating pressure by irrigator field test is 0.4m, laying spacing a according to the known irrigator of drip irrigation system layout pattern is 0.3m, it is 0.5m that drip irrigation pipe lays spacing b, then can obtain ground moistening than P is 83.7%, according to national standard suggestion vegetable crop drip irrigation design ground moistening than reference value within the scope of 60%-90%, therefore this irrigator can meet ground moistening ratio and requires.
(3) irrigation method
Seedling stage, florescence adopt fresh water irrigation, and the fruit phase adopts brackish water irrigation, and the red ripe phase does not pour water, after seedling stage, perform 1 day one time irrigation frequency.Irrigate fresh water salinity 1.1g/L, electrical conductivity 1.76ds/m, pH value 7.69; Irrigate brackish water salinity 3.0g/L, electrical conductivity 3.56ds/m, pH value 8.25, the rainy day does not pour water, and whole breeding time, irrigation norm was 165mm, wherein fresh water irrigation quantity 57mm, brackish water irrigation quantity 108mm.
On May 18th, 2013 to June 7 is processing tomato seedling stage, drip irrigation 2mm fresh water humid soil in night on May 17 face, and May 18 transplanted drip irrigation seedling recovering water 12mm on the same day, and June 4, drip irrigation chased after Miao Shui 11mm, and seedling stage is drip irrigation fresh water 25mm altogether.June 8 was processing tomato flowering stage to July 7, and except the rainy day, every day pours water, and irrigating water quota is 2mm, and flowering stage is drip irrigation fresh water 32mm altogether; July 8 was the processing tomato setting phase to August 19, and except the rainy day, every day pours water, and irrigating water quota is 3mm, and flowering stage is drip irrigation brackish water 108mm altogether; August 19 to September 10 is the processing tomato red ripe phase, does not pour water in this breeding time.Irrigation period is 7:00-8:00 point or at dusk 18:00-19:00 period in morning.
(4) fertilizing method
Tomato at the beginning of 2013 5 months applies the fertile and potassium dihydrogen phosphate fertilizer of the fertilizer, the diamines that become thoroughly decomposed as base fertilizer before transplanting seedlings, fertilizing amount is respectively 22.5t/hm
2, 240kg/hm
2and 150kg/hm
2; Topdress by drip irrigation system Fertigation, respectively in the initial phase (8-July 15 July) of fruit and mid-term (29-August 1 July) totally twice, execute urea 45kg/hm with water at every turn
2.And adopt manual type sprayer to spray foliage fertilizer in the fruit interim phase.
Pick and process processing tomato is carried out at the beginning of in by the end of August, 2013 to 9 month, concrete output is in table 1, can find out the more local traditional level land fresh water flood irrigation of output under cultivation method of the present invention (flood irrigation be exactly peasant ground to having flooded, few point that some multiple spots have is the method for kind of inclined experience.Irrigation norm about the 670mm of usual furrow irrigation) plantation processing tomato gained output increased 164%, (irrigation norm is also 165 comparatively to adopt ridging fresh water drip irrigation, but be all fresh water, there is no brackish water) processing tomato gained output increased 24.5%.Simultaneously and measure processing tomato key quality parameters, under cultivation method of the present invention, processing tomato physical maturity, color and luster are scarlet, fresh intact, according to NY/T1517-2007 processing tomato professional standard regulation, its sense organ, soluble solid content, total impurities, lycopene index all reach superfine standard.
Table 1 Processing Tomato Yield table
Embodiment 2
The present embodiment carries out in Baya ur, NeiMengGu dawn experiment station.Experimental field the soil texture is sandy loam.Plantation Processing Tomato Varieties is that stone collects No. two.According to control method proposed by the invention and control objectives span, in conjunction with the actual physioclimate situation in local experiment station, finally determine that the saline land processing tomato overlay film brackish water drip irrigation method of this embodiment is as follows:
(1) cultivation method
Adopt wide row high ridge to plant, in April, 2014 artificial ridging cover white mulch film, ridge shoulder breadth 0.9m, ridge height 0.30m, the long 20m in ridge, the ditch heart is apart from being 1.5m.May 20 carried out transplanting hole tray seedling, and two row tomatoes are planted on every ridge, and tomato line-spacing 0.4m, spacing in the rows 0.3m on ridge, planting density is 2890 plants/acre.
(2) drip irrigation system is laid and is selected with irrigator
Drip irrigation system part is divided into: water source, pressurization picotan, stem equipment, main pipe, point main, arm and hollow billet.Every capable laying irrigate band near crop root, irrigator is selected with embodiment 1, and space between irrigator is 0.3m, drip irrigation pipe diameter 16mm, wall thickness 0.6mm, operation pressure interval is within the scope of 0.04-0.25MPa, rated operating pressure is 0.1MPa, and metered flow is 1.2L/h.
The irrigator accuracy of manufacture is 3.5%, and flow stance index x is 0.389, and ground moistening is 80.9% than P.
(3) irrigation method
Seedling stage, florescence adopt fresh water irrigation, and the fruit phase adopts brackish water irrigation, and the red ripe phase does not pour water, after seedling stage, perform 1 day one time irrigation frequency.Irrigate fresh water salinity 1.0g/L, electrical conductivity 1.54ds/m, pH value 7.65; Irrigate brackish water salinity 3.2g/L, electrical conductivity 3.78ds/m, pH value 8.3, the rainy day does not pour water, and whole breeding time, irrigation norm was 149mm, wherein fresh water irrigation quantity 56mm, brackish water irrigation quantity 93mm.
(4) fertilizing method
Tomato at the beginning of 2014 5 months applies the fertile and potassium dihydrogen phosphate fertilizer of the fertilizer, the diamines that become thoroughly decomposed as base fertilizer before transplanting seedlings, fertilizing amount is respectively 22.t/hm
2, 230kg/hm
2and 150kg/hm
2; Topdress by drip irrigation system Fertigation, respectively in the initial phase (10-July 14 July) of fruit and mid-term (22-August 24 July) totally twice, execute urea 45kg/hm with water at every turn
2.And adopt manual type sprayer to spray foliage fertilizer in the fruit interim phase.
Other steps are identical with embodiment 1.
Processing tomato physical maturity under the present embodiment cultivation method, color and luster are scarlet, fresh intact, and according to NY/T1517-2007 processing tomato professional standard regulation, its sense organ, soluble solid content, total impurities, lycopene index all reach superfine standard.
Above embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various modification that the common engineers and technicians in this area make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determine.
Claims (10)
1. a saline land brackish water covering membrane and drop irrigation processing tomato implantation methods, is characterized in that, comprise the following steps:
1) to plant processing tomato: processing tomato adopts wide row high ridge to plant, ridge shoulder breadth 0.85-0.95m, and ridge height 0.28-0.33m, covers white mulch film above plant;
2) drip irrigation system is laid: irrigate band spacing b is 48-52cm, and space between irrigator a is 0.25-0.35m, adopts a line one band to lay;
3) carry out high frequency little quota vegetative period at processing tomato to pour water: brackish water and fresh water rotation flow, seedling stage adopts fresh water irrigation, and the red ripe phase does not pour water.
2. processing tomato implantation methods according to claim 1, is characterized in that, described step 1) in, the processing tomato that ridge is planted is transplanting hole tray seedling, and the processing tomato planting density that ridge is planted is 2800-3000 plant/acre.
3. processing tomato implantation methods according to claim 1, is characterized in that, described step 2) also comprise the selection of irrigator: select accuracy of manufacture CV
m≤ 12%, the irrigator of flow stance index x≤0.5, percentage of wetted soil is within the scope of 60%-90%.
4. processing tomato implantation methods according to claim 3, it is characterized in that, described flow stance index x is tried to achieve by hydraulic characteristic curve: using working-pressure head h (m) of irrigator as abscissa, irrigator flow value q (L/h) is as ordinate, draw hydraulic characteristic curve, and matching obtains hydraulic characteristic curvilinear equation
q＝kh
x(1)
Wherein k is discharge coefficient.
5. processing tomato implantation methods according to claim 3, is characterized in that, described percentage of wetted soil is:
Wherein, irrigator moist diameter is d (m), and space between irrigator is a (m), and irrigate band spacing is b (m).
6. processing tomato implantation methods according to claim 1, is characterized in that, described step 3) in, according to the different growing stages of processing tomato, irrigation condition is:
Seedling stage: all adopt fresh water irrigation; Flowering stage: irrigation frequency is 1d/ time, brackish water irrigation; The setting phase: irrigation frequency is 1d/ time, brackish water irrigation.
7. processing tomato implantation methods according to claim 6, it is characterized in that, seedling stage all adopts fresh water irrigation, dripping irrigation water 2mm before transplanting, drip irrigation 12mm seedling recovering water while of during transplanting, and after 12-16 days, drip irrigation chases after Miao Shui 11mm; Flowering stage adopts brackish water irrigation, and each irrigating water quota is 2mm; The setting phase adopts brackish water irrigation, and each irrigating water quota is 3mm.
8., according to the arbitrary described processing tomato implantation methods of claim 1-7, it is characterized in that, irrigate the fresh water salinity 0-1.5g/L used, irrigate the brackish water salinity 1.5-3.5g/L used; Irrigation period is 6:00-9:00 point or at dusk 17:30-20:00 period in morning.
9. according to the arbitrary described processing tomato implantation methods of claim 1-7, it is characterized in that, tomato applies the fertile and potassium dihydrogen phosphate fertilizer of the fertilizer, the diamines that become thoroughly decomposed in soil as base fertilizer before transplanting seedlings, fertilizing amount is respectively 20-25t/hm
2, 200-280kg/hm
2and 120-180kg/hm
2; Topdress twice in fruit initial phase and mid-term, and adopt manual type sprayer to spray foliage fertilizer in the fruit interim phase.
10. processing tomato implantation methods according to claim 9, is characterized in that, described in topdress be by drip irrigation system Fertigation, in fruit initial phase and mid-term totally twice, execute urea 40-48kg/hm with water at every turn
2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510502056.1A CN105103857B (en) | 2015-08-14 | 2015-08-14 | A kind of salt-soda soil brackish water covering membrane and drop irrigation processing tomato implantation methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510502056.1A CN105103857B (en) | 2015-08-14 | 2015-08-14 | A kind of salt-soda soil brackish water covering membrane and drop irrigation processing tomato implantation methods |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105103857A true CN105103857A (en) | 2015-12-02 |
| CN105103857B CN105103857B (en) | 2017-11-24 |
Family
ID=54652204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510502056.1A Active CN105103857B (en) | 2015-08-14 | 2015-08-14 | A kind of salt-soda soil brackish water covering membrane and drop irrigation processing tomato implantation methods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105103857B (en) |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105993843A (en) * | 2016-06-02 | 2016-10-12 | 济南大学 | Winter jujube brackish water drip irrigation mode for relieving soil salinization |
| CN106106039A (en) * | 2016-06-30 | 2016-11-16 | 山东胜伟园林科技有限公司 | A kind of use steams water-saving method and the application in the flowering plum of plantation salt-soda soil thereof containing subtracting of naringin fertilizer |
| CN106171355A (en) * | 2016-06-30 | 2016-12-07 | 山东胜伟园林科技有限公司 | A kind of use steams water-saving method and the application in the sugar grass of plantation salt-soda soil thereof containing subtracting of boron fertilizer |
| CN106489671A (en) * | 2016-11-01 | 2017-03-15 | 西北农林科技大学 | A kind of facility bag containing soilless substrate trains the moisture irrigation method of Fructus Lycopersici esculenti overwintering cultivation |
| CN106912285A (en) * | 2017-03-29 | 2017-07-04 | 商都县科技特派员工作站 | A kind of ditch furrow and under-film drip irrigation covered conduit cultural method |
| CN107047234A (en) * | 2017-05-10 | 2017-08-18 | 山东理工大学 | A kind of salt-soda soil brackish water and fresh water interval combination irrigation method |
| CN107155812A (en) * | 2017-04-19 | 2017-09-15 | 山东理工大学 | A kind of salt-soda soil brackish water and fresh water interval combination irrigation method |
| CN108040828A (en) * | 2018-02-08 | 2018-05-18 | 水利部牧区水利科学研究所 | Big stem irrigation system |
| CN108168626A (en) * | 2018-03-26 | 2018-06-15 | 中国水利水电科学研究院 | Quickly measure the devices and methods therefor of buried douche pressure and flow |
| CN108184567A (en) * | 2018-01-22 | 2018-06-22 | 马鞍山市全润农业科技有限公司 | A kind of arid, semiarid zone tomato seeds nursery implantation methods |
| CN108633696A (en) * | 2018-05-11 | 2018-10-12 | 中国科学院新疆生态与地理研究所 | A kind of safe utilization method of inland underground shallow buried brackish water |
| CN109006256A (en) * | 2018-10-22 | 2018-12-18 | 中国农业大学 | A kind of greenhouse tomato cultural method based on small flow douche |
| CN109122096A (en) * | 2018-08-14 | 2019-01-04 | 水利部牧区水利科学研究所 | A kind of slight salinization soil two crops a year industrial crops implantation methods |
| CN109169204A (en) * | 2018-07-12 | 2019-01-11 | 安徽省农业科学院作物研究所 | A kind of sub-irrigation management method improving tomato quality |
| CN109429932A (en) * | 2018-10-23 | 2019-03-08 | 中国农业科学院农业环境与可持续发展研究所 | A kind of processing tomato Biodegradable mulch mulching plant method |
| CN109496791A (en) * | 2018-11-21 | 2019-03-22 | 河海大学 | A kind of salt-soda soil brackish water drip irrigation system and implantation methods |
| CN109673447A (en) * | 2019-01-21 | 2019-04-26 | 新疆农业科学院土壤肥料与农业节水研究所(新疆维吾尔自治区新型肥料研究中心) | A kind of implantation methods of keeping a full stand of seedings of suitable Arid&semi-arid area salt-soda soil carrot |
| CN110197437A (en) * | 2019-06-28 | 2019-09-03 | 西安理工大学 | A kind of regulation method of the irrigation water utilization efficiency in salt marsh irrigated area |
| CN110214643A (en) * | 2019-06-28 | 2019-09-10 | 中国科学院新疆生态与地理研究所 | A kind of processing tomato weight-reducing synergy cultural method suitable for Xinjiang salt affected soil |
| CN110432111A (en) * | 2019-08-15 | 2019-11-12 | 内蒙古自治区农牧业科学院 | A kind of villose vetch trickle irrigation implantation methods |
| CN111758522A (en) * | 2020-07-08 | 2020-10-13 | 江苏省中国科学院植物研究所 | Method for quickly constructing lotus landscape on mudflat wetland |
| CN112400559A (en) * | 2020-12-01 | 2021-02-26 | 河北省农林科学院滨海农业研究所 | Facility tomato planting method for coastal saline-alkali land based on brackish water irrigation |
| CN112789988A (en) * | 2021-01-14 | 2021-05-14 | 内蒙古农业大学 | Automatic irrigation method for combined drip irrigation of underground brackish water and high-sand-content canal water |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008117658A1 (en) * | 2007-03-26 | 2008-10-02 | Idemitsu Kosan Co., Ltd. | Method of covering soil |
-
2015
- 2015-08-14 CN CN201510502056.1A patent/CN105103857B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008117658A1 (en) * | 2007-03-26 | 2008-10-02 | Idemitsu Kosan Co., Ltd. | Method of covering soil |
Non-Patent Citations (6)
| Title |
|---|
| 万书勤等: "华北半湿润地区微咸水滴灌对番茄生长和产量的影响", 《农业工程学报》 * |
| 仵峰: "地下滴灌土壤水分运动特性与系统设计参数研究", 《中国博士学位论文全文数据库（电子期刊）农业科技辑》 * |
| 国土资源部《土地开发整理工程建设标准》课题组编: "《<土地开发整理工程建设标准>编制试点阶段研究成果（下）》", 31 August 2008, 北京：新华出版社 * |
| 张志新等编著: "《滴灌工程规划设计原理与应用》", 31 July 2007, 北京：中国水利水电出版社， * |
| 柴春岭: "棉花膜下滴灌咸淡水轮灌灌溉制度试验研究", 《中国优秀硕士学位论文全文数据库（电子期刊）农业科技辑》 * |
| 水利部农村水利司编: "《节水灌溉技术标准选编》", 30 May 1998, 北京：中国水利水电出版社 * |
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105993843A (en) * | 2016-06-02 | 2016-10-12 | 济南大学 | Winter jujube brackish water drip irrigation mode for relieving soil salinization |
| CN105993843B (en) * | 2016-06-02 | 2018-11-30 | 济南大学 | A kind of winter jujube brackish water trickle irrigation mode for alleviating the soil salinization |
| CN106106039A (en) * | 2016-06-30 | 2016-11-16 | 山东胜伟园林科技有限公司 | A kind of use steams water-saving method and the application in the flowering plum of plantation salt-soda soil thereof containing subtracting of naringin fertilizer |
| CN106171355A (en) * | 2016-06-30 | 2016-12-07 | 山东胜伟园林科技有限公司 | A kind of use steams water-saving method and the application in the sugar grass of plantation salt-soda soil thereof containing subtracting of boron fertilizer |
| CN106489671A (en) * | 2016-11-01 | 2017-03-15 | 西北农林科技大学 | A kind of facility bag containing soilless substrate trains the moisture irrigation method of Fructus Lycopersici esculenti overwintering cultivation |
| CN106912285A (en) * | 2017-03-29 | 2017-07-04 | 商都县科技特派员工作站 | A kind of ditch furrow and under-film drip irrigation covered conduit cultural method |
| CN107155812A (en) * | 2017-04-19 | 2017-09-15 | 山东理工大学 | A kind of salt-soda soil brackish water and fresh water interval combination irrigation method |
| CN107047234A (en) * | 2017-05-10 | 2017-08-18 | 山东理工大学 | A kind of salt-soda soil brackish water and fresh water interval combination irrigation method |
| CN108184567A (en) * | 2018-01-22 | 2018-06-22 | 马鞍山市全润农业科技有限公司 | A kind of arid, semiarid zone tomato seeds nursery implantation methods |
| CN108040828A (en) * | 2018-02-08 | 2018-05-18 | 水利部牧区水利科学研究所 | Big stem irrigation system |
| CN108168626A (en) * | 2018-03-26 | 2018-06-15 | 中国水利水电科学研究院 | Quickly measure the devices and methods therefor of buried douche pressure and flow |
| CN108168626B (en) * | 2018-03-26 | 2024-03-15 | 中国水利水电科学研究院 | Device and method for rapidly measuring pressure and flow of underground water irrigator |
| CN108633696A (en) * | 2018-05-11 | 2018-10-12 | 中国科学院新疆生态与地理研究所 | A kind of safe utilization method of inland underground shallow buried brackish water |
| CN109169204A (en) * | 2018-07-12 | 2019-01-11 | 安徽省农业科学院作物研究所 | A kind of sub-irrigation management method improving tomato quality |
| CN109122096A (en) * | 2018-08-14 | 2019-01-04 | 水利部牧区水利科学研究所 | A kind of slight salinization soil two crops a year industrial crops implantation methods |
| CN109006256A (en) * | 2018-10-22 | 2018-12-18 | 中国农业大学 | A kind of greenhouse tomato cultural method based on small flow douche |
| CN109429932A (en) * | 2018-10-23 | 2019-03-08 | 中国农业科学院农业环境与可持续发展研究所 | A kind of processing tomato Biodegradable mulch mulching plant method |
| CN109496791A (en) * | 2018-11-21 | 2019-03-22 | 河海大学 | A kind of salt-soda soil brackish water drip irrigation system and implantation methods |
| CN109673447A (en) * | 2019-01-21 | 2019-04-26 | 新疆农业科学院土壤肥料与农业节水研究所(新疆维吾尔自治区新型肥料研究中心) | A kind of implantation methods of keeping a full stand of seedings of suitable Arid&semi-arid area salt-soda soil carrot |
| CN110197437A (en) * | 2019-06-28 | 2019-09-03 | 西安理工大学 | A kind of regulation method of the irrigation water utilization efficiency in salt marsh irrigated area |
| CN110214643A (en) * | 2019-06-28 | 2019-09-10 | 中国科学院新疆生态与地理研究所 | A kind of processing tomato weight-reducing synergy cultural method suitable for Xinjiang salt affected soil |
| CN110214643B (en) * | 2019-06-28 | 2024-04-09 | 中国科学院新疆生态与地理研究所 | Weight-losing and synergistic cultivation method for processing tomatoes suitable for Xinjiang saline-alkali soil |
| CN110432111A (en) * | 2019-08-15 | 2019-11-12 | 内蒙古自治区农牧业科学院 | A kind of villose vetch trickle irrigation implantation methods |
| CN111758522B (en) * | 2020-07-08 | 2022-03-22 | 江苏琵琶生态环境建设有限公司 | Method for quickly constructing lotus landscape on mudflat wetland |
| CN111758522A (en) * | 2020-07-08 | 2020-10-13 | 江苏省中国科学院植物研究所 | Method for quickly constructing lotus landscape on mudflat wetland |
| CN112400559B (en) * | 2020-12-01 | 2023-02-24 | 河北省农林科学院滨海农业研究所 | Coastal saline-alkali soil facility tomato planting method based on brackish water irrigation |
| CN112400559A (en) * | 2020-12-01 | 2021-02-26 | 河北省农林科学院滨海农业研究所 | Facility tomato planting method for coastal saline-alkali land based on brackish water irrigation |
| CN112789988A (en) * | 2021-01-14 | 2021-05-14 | 内蒙古农业大学 | Automatic irrigation method for combined drip irrigation of underground brackish water and high-sand-content canal water |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105103857B (en) | 2017-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105103857B (en) | A kind of salt-soda soil brackish water covering membrane and drop irrigation processing tomato implantation methods | |
| CN105145261B (en) | A kind of cultural method of fertile mandarin orange | |
| CN104904457B (en) | A kind of maize mulched drip irrigation water-saving cultivation method | |
| CN103598051B (en) | Compartment furrow fixed three-surround three-dimensional intensive cultivation method for rice | |
| CN103733860B (en) | A kind of cassava wind resistance yield-increasing cultivation technology | |
| CN102057775A (en) | Controlled-salinity cultivation method for plating crop on moderate and medium and severe saline-alkali soil | |
| CN107079760A (en) | A kind of Queensland nut interplants the implantation methods of pineapple | |
| CN101176407A (en) | Artificial cultivation technique for black fruit medlar in alkaline land | |
| CN103766126B (en) | Method for rapidly culturing tea tree seedlings in numerically-controlled greenhouse | |
| CN101779560B (en) | Factory culturing method for sweet potato seedlings with roots and tops | |
| CN103283437B (en) | Method for planting sea-buckthorn in gobi of alpine regions | |
| CN105359841A (en) | Method for selecting and breeding improved variety types of walnuts | |
| CN104255230B (en) | Plasma treatment corn seed and cultivation method for matching | |
| Thind et al. | Response of cotton to various levels of nitrogen and water applied to normal and paired sown cotton under drip irrigation in relation to check-basin | |
| CN113079978A (en) | Rape waterlogging-resistant cultivation method | |
| CN107278740A (en) | A kind of rocky mountainous area Rice Cropping new technology | |
| CN112119728A (en) | Water and fertilizer management method for wine grapes | |
| CN105961020B (en) | A kind of high sugared tomato planting method of heliogreenhouse bag training | |
| CN103444409A (en) | Method for rapidly improving soil fertility of peach orchard | |
| CN103444391A (en) | Cutting propagation and cultivation method for Paris polyphylla | |
| CN105815099B (en) | Radix Astragali and forage type alta fascue interplanting and three-dimensionally cultivating method | |
| CN110432071A (en) | Suitable for Hexi Corridor vinifera winter not undercarriage overwinter management method | |
| CN102318493B (en) | Method for planting dry-land Brassica napus by using mulching film corn residual film | |
| CN106258815A (en) | A kind of water-saving and yield-increasing making full use of natural rainfall reduces discharging rice irrigation method | |
| CN103907468B (en) | A kind of massive mountain pharmacopoeia potato seedbed efficient propagation method |
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 |