CN109906894A - A kind of precocious more seedlings cultural method of fresh edible maize - Google Patents
A kind of precocious more seedlings cultural method of fresh edible maize Download PDFInfo
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Abstract
The invention discloses a kind of precocious more seedlings cultural methods of fresh edible maize, including nursery: mid or late Febuary in early spring-early March carries out heat preservation nursery；Transplanting: seedling is transplanted when growing to 3-5 piece leaf, and rear progress isothermal holding in seedling replanting to ground；Planting patterns: seedling replanting takes hole to plant, and is punched on plantation point, and at least 3 plants of seedling in each hole are transplanted and fill fertilizer in preceding hole and sufficiently irrigated；Remove Insulation: environment warms, and temperature gradually removes Insulation after increasing；Early or mid June carries out second of nursery, seedling raising manners and planting patterns same spring；Start to be transplanted after first crop harvest corn.The present invention in two seasons of one year can plant, while the corn that is staggered concentrates the time of listing, makes corn ahead of time or delays listing, avoids greatly improving economic benefit while stockpiling of unsold product；Carrying out dilute cave more seedlings plantation simultaneously reduces labour and the cost of transplanting.
Description
Technical field
The present invention relates to agricultural plantation technology fields, more particularly to a kind of to be suitble to north fresh food in two seasons of one year beautiful
The precocious more seedlings cultural method of rice.
Background technique
Fresh edible maize is also referred to as corn, can directly eat it raw, and can also be cooked and eat, and the niblet of corn is in light
Yellow either milky, it is soft fresh and tender, there is the protein for exceeding 30% to 40% than conventional corn, and wherein rich in a variety of
Minerals and vitamin, there are also tryptophan, lysine and dietary fibers that human body needs.In recent years, corn is due to nutrition
It is abundant, food flavor is good, economic value is high so that corn planting family is also produced keen interest by favor, carried out large area kind
It plants, to obtain higher economic benefit.
In recent years, the kernel corn weak market that supply exceed demand frequency is existing, and the general every batch of per mu yield value of common kernel corn is only
1000 yuan or so, increasing peasant income are very difficult.Fresh edible maize can whole fringe sell, reduce the costs such as threshing, sunning, economic benefit
Higher, per ripe one batch, per mu yield value is 2 times of kernel corn up to 1500 yuan or more.The height of maize economy value mainly determines
In the time of listing, it is higher to list more early economic value.By taking Xinzhou Prefecture's waxy corn as an example, the receipts per acre that were listed before June 25
Enter up to 2200 yuan, the income per acre that June 25 to July 1 lists is up to 1800 yuan, the receipts per acre that July 1 to July 15 lists
Enter 800~1000 yuan, average mu benefit fresh edible maize is higher by 500~1000 yuan than conventional feed corn.
For the above phenomenon, a kind of precocious growing nursery and culture method of fresh edible maize how is provided, the corn that is staggered concentrates listing
Time, avoiding the problem that increasing economic efficiency while stockpiling of unsold product is those skilled in the art's urgent need to resolve.
Summary of the invention
In view of this, the corn that is staggered concentrates listing the present invention provides a kind of precocious more seedlings cultural method of fresh edible maize
Time, not only solve the problems, such as stockpiling of unsold product, and 1 year two season of harvest, twice in season all in the neutral gear phase, improve list
The economic benefit of plane product.
In order to achieve the above object, the present invention adopts the following technical scheme:
A kind of precocious more seedlings cultural method of fresh edible maize, comprising the following steps:
(1) nursery: mid or late Febuary in early spring-early March carries out heat preservation nursery；
(2) transplant: seedling is transplanted when growing to 3-5 piece leaf, and rear progress isothermal holding in seedling replanting to ground；
(3) planting patterns: seedling replanting takes hole to plant, and is punched on plantation point, at least 3 in each implantation hole
Strain seedling is transplanted and fills fertilizer in preceding hole and sufficiently irrigated；
Vertical plane soil layer is in bulked state after punching, encounters irrigation or rainfall in process of crop growth, under soil horizon
It is heavy, crop root hovering phenomenon generally can be all caused, keeps crop root impaired.The present invention carries out before transplanting after the completion of punching
It irrigates, so that irrigation water and fertilizer is entered deep subsoil and protect storage, be conducive to crop root and prick deeply, deep subsoil becomes uniform having peace of mind,
Avoid the generation of soil layer sinking root system hovering phenomenon during plant growth.
(4) remove Insulation: environment warms, and temperature gradually removes Insulation after increasing；
(5) secondary nursery, plantation: early or mid June carries out second of nursery, seedling raising manners and planting patterns referring to step
(1)-step (3), and appropriate adjustment is carried out according to environmental condition；
Specifically, due in secondary nursery, planting process, environment is gradual warmed up, temperature gradually rises, sunlight strength gradually
The change for the environmental conditions such as become larger, therefore nursery and transplanting process no longer need isothermal holding, and in seedling replanting to ground it
Sun-shading is suitably carried out afterwards.
(6) start to be transplanted after first crop harvest corn.
Preferably, in a kind of above-mentioned precocious more seedlings cultural method of fresh edible maize, floor-heating type greenhouse is used in step (1)
Heat preservation nursery is carried out, nursery temperature is maintained at 22-32 DEG C.
The beneficial effect of above-mentioned technical proposal is: floor-heating type greenhouse provides heat source by burning straw, using underground heat
Mode is greenhouse heating, heat is delivered in greenhouse by floor heating pipe everywhere in, can quickly and effectively increase greenhouse
Interior temperature keeps heating inside greenhouse uniform, while the growth temperature controllability of warm indoor crops improves.
Preferably, in a kind of above-mentioned precocious more seedlings cultural method of fresh edible maize, step (1) nursery uses stalk
Pot for growing seedlings nursery, the built-in seedling medium of pot for growing seedlings.
The beneficial effect of above-mentioned technical proposal is: straw seedling breeding pot is made of crop material cold pressing molding, has extremely strong
Water, water storage, water retaining function are taken, for saturated water absorption up to 400~600%, root system of plant can penetrate alms bowl wall, integrally move with pot seedling
It plants, unlike plastic containers, it is necessary to be transplanted again after shelling.It, can be by root system and micro- life by certain time after being transplanted into soil
Object is acted on and is decomposed, and is made straw-returning, is become the soil organism, increases soil fertility, and farmland quality is promoted.
Further, in a kind of above-mentioned precocious more seedlings cultural method of fresh edible maize, the seedling medium is vermiculite, grass
One of the organic fertilizers such as charcoal, slag ash, mushroom residue, perlite, fine sand, cow dung, pig manure, cow dung, rural area soil or several groups
At mixed-matrix.
The beneficial effect of above-mentioned technical proposal is: can be prepared not according to seedling raise period, pot for growing seedlings size and seedling strain number
Seedling medium in proportion, to guarantee the nutrition of crop abundance.
Further, in a kind of above-mentioned precocious more seedlings cultural method of fresh edible maize, the seedling medium passes through nothing
Evilization processing, is never added chemical fertilizer.
The beneficial effect of above-mentioned technical proposal is: passing through sprinkling sterilizing insecticide, high temperature sterilization in innocent treatment procedure
Etc. modes guarantee the cleanliness without any pollution of environment in pot for growing seedlings, make to be easy to produce burning in germination rooting process since chemical fertilizer is added
Root phenomenon, and be easy to keep seedling medium hardened after watering, so not being related to the addition of the inorganic fertilizers such as chemical fertilizer.
Preferably, every in step (2) described seedling raising process in a kind of above-mentioned precocious more seedlings cultural method of fresh edible maize
4-6 seeds are put in a pot for growing seedlings, further, seed preferably passes through germination treatment, shows money or valuables one carries unintentionally to germination or bud length reaches
Sowing in time when seed length.
The beneficial effect of above-mentioned technical proposal is: 4-6 seeds are put in each pot for growing seedlings can guarantee after emerging often
3-5 plants of seedling can be retained in a container for plant growth, realize more seedlings transplanting plantation.
Preferably, in a kind of above-mentioned precocious more seedlings cultural method of fresh edible maize, water shortage is found during nursery period management
Shi Jinhang irrigation on plastic membrance is irrigate.
Seedling management is mainly moisture, temperature and gas permeability management, and after planting 3~4d generally will appear water shortage problem,
Irrigation on plastic membrance 1cm thickness water layer can guarantee that matrix does not generate hardened phenomenon in alms bowl in this way, can not fill more that fill easily causes humidity more
It is excessive, cause the mold of seed.
Temperature is the principal element of germination speed, and suitable germination temperature is 25 DEG C, is unfavorable for seed more than 30 DEG C
Germination and nurturing staff.It was found that temperature is excessively high or at fine day noon, has to cool down in due course, temperature of shed is kept.
Preferably, in a kind of above-mentioned precocious more seedlings cultural method of fresh edible maize, seedling raise period is no more than 30 days.
The beneficial effect of above-mentioned technical proposal is: if seedling raise period is more than 30 days, seedling can be due to lacking nutrition and shape
At weak seedling, transplanting survival rate and transplanting seedling time are influenced, the transplanting Seedling Color obtained under the above conditions is dark green, stalk is sturdy,
It is more easier to survive.Specifically, yield potential is small if seedling replanting is too early；Transplanting too late, will form small Lao Miao, cause sky stalk,
Yield falls sharply.
Preferably, in a kind of above-mentioned precocious more seedlings cultural method of fresh edible maize, seedling grows to 3 leaf, 1 heart in step (2)
It is transplanted when expansion (i.e. the 4th leaf), no more than 5 leaves, seedling height is maintained at 15-25cm when transplanting, further
Preferably 15-20cm, and hardening is carried out before transplanting, 5-7 days seedling do not rewater before transplanting.
The beneficial effect of above-mentioned technical proposal is: transplanting is carried out when 31 heart of leaf can obtain best survival rate, and refine
Depending on seedling stops watering time with specific reference to the dry and wet degree in container for plant growth, hand of being subject to picks up seedling medium without dissipating.
With the seed sowing germinateed, general 7-10d just emergence completely wants multi-pass wind, more hardenings prevent temperature after emergence
High seedling excessive growth is spent, while to be watered in due course, in right amount, seedling robust growth, if young plant growing way is too fast, nutrition in alms bowl are kept
It cannot meet the needs, it can be in the nutrient solution of later spray PH=6.
Preferably, in a kind of above-mentioned precocious more seedlings cultural method of fresh edible maize, spring seedling replanting is arrived in step (2)
The mode for taking mulch to add Small plastic shed in ground is kept the temperature, and temperature is at 15-25 DEG C.
The beneficial effect of above-mentioned technical proposal is: since early spring ground temperature is lower, carrying out heat preservation to seedling and improves survival rate.
Preferably, it in a kind of above-mentioned precocious more seedlings cultural method of fresh edible maize, in step (3), is used on plantation point
Puncher beats implantation hole, and the plantation bore dia is 150-300mm, depth 80-100cm, each implantation hole corresponding one
A pot for growing seedlings.
With the puncher punching of controllable punching depth, punching depth is set before punching, reaches certain depth puncher
It is automatically stopped work, general agricultural land soil pine tilling depth degree is shallower, is 25~30cm, does not have the depth for breaking deep subsoil plough sole
Degree, is not easy to prick under root system, only punching depth >=40cm, can be only achieved and breaks plough sole, and chesson makes to prick under root system
Effect.
The above-mentioned planting patterns using implantation hole is suitable for the case where at least 3 plants of seedling in a pot for growing seedlings, can make
Crop root concentration of local, grown per area cave number greatly reduce, to concentrate supplementary irrigation to create planting matrix using limited irrigation water
Plinth.
Preferably, it in a kind of above-mentioned precocious more seedlings cultural method of fresh edible maize, in step (3), is dug on plantation point
Implantation hole, the implantation hole length, width and height are 25-30cm, and seedling is transplanted by the way of quadrangle or equilateral triangle.
The beneficial effect of above-mentioned technical proposal is: this planting patterns is suitable for interior of pot for growing seedlings, and there are one plant of seedling
The case where, the volume size of implantation hole can guarantee that the height of maize seedling after transplanting is no more than ground, and by multiple pot for growing seedlings
Interior seedling concentrates on an implantation hole, can equally make crop root concentration of local, and grown per area cave number greatly reduces,
To concentrate supplementary irrigation to create plantation basis using limited irrigation water.
Preferably, in a kind of above-mentioned precocious more seedlings cultural method of fresh edible maize, seedling takes implantation hole width to plant
Mode, wide row is away from being set as 90-110cm between the adjacent implantation hole, and narrow row is away from being set as 60-80cm.
The beneficial effect of above-mentioned technical proposal is: wide-narrow row planting is conducive to improve ventilation and penetrating light condition, and plant envelope row is late,
Be conducive to the field management of middle and later periods, while punching quantity can be reduced, reduces cost.Width fixed point punching can reduce farming
Area can reduce soil losses without farming on the arable land that do not punch.
Preferably, in a kind of above-mentioned precocious more seedlings cultural method of fresh edible maize, fertilizer described in step (3) is 1000
~1500kg/hm2Granular organic fertilizer of soil for improving conservation ability and promoting absorption ability, 100~150kg/hm2 nitrogenous fertilizer, 150~200kg/hm2 phosphate fertilizer and 125
The mixture of~180kg/hm2 potash fertilizer.
The beneficial effect of above-mentioned technical proposal is: granular organic fertilizer of soil for improving conservation ability and promoting absorption ability is using agricultural crop straw as raw material, warp
The methods of biofermentation, chemical crosslinking, physical modification and strength extruding, allow crop material to be combined with each other with high hydroscopic resin, lead to
Cross the mutual cooperation between each substance, develop can replace the stalk modification of itself dilation with soil dry-wet can swollen contracting
Soil conditioner, thus make loosing soil, porosity increase, break soil plow layer, expand soil water storage ability, promote plant
The compression-type stalk modifying agent that phosphorus, potassium nutrition are absorbed.
Preferably, in a kind of above-mentioned precocious more seedlings cultural method of fresh edible maize, when surface temperature reaches in step (4)
Insulation is gradually removed after 15 DEG C.
The beneficial effect of above-mentioned technical proposal is: latter temperature warms, and surface temperature is gradually got higher, it is no longer necessary to be protected
Temperature removes Insulation, to guarantee the normal growth of seedling.
Preferably, in a kind of above-mentioned precocious more seedlings cultural method of fresh edible maize, in secondary seedling raising process, work as roof insulating
Interior temperature covers sunshade net when reaching 33 DEG C.
The beneficial effect of above-mentioned technical proposal is: second of nursery is in early or mid June, at this time since temperature increases, no longer
Floor heating is needed to improve temperature, and noon temperature increases, when temperature of shed is higher than 33 DEG C or more, to avoid the excessively high appearance of temperature of shed
Burn seedlings phenomenon needs to cover sunshade net outside canopy.
Preferably, in a kind of above-mentioned precocious more seedlings cultural method of fresh edible maize, the corn manuring late of two seasons and irrigation
It is all made of the mode of plantation cave-applied fertilizer and irrigation, other management are identical as the field management method of existing fresh edible maize.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides a kind of fresh edible maizes
Precocious more seedlings cultural method, has the advantage that
(1) using more seedlings transplanting plantation (i.e. the plantation of more plants an of hole) and hole irrigating fertilizing water supplement technology, fertility concentration is formd,
Crop root is concentrated, the Cultivate administration mode for concentration of pouring water, and arid can be made rainless, and the area that water resource lacks utilizes limited
Water resource develops dry-land crop production, and Dryland agricultural production is made to be changed into control water from traditional water shortage unstable production, high
The steady production of effectiveness water, each mu water 3-5m3Good irrigation effect can be obtained；
(2) operation is planted using the punching of more plants an of hole, farming area greatly reduces farming less than the 10% of the gross area
Area replaces traditional plane entirety farming technique with vertical cultivation technology, while being local farming again, reduces tillage machinery
Power consumption, and since tilth is big, no plough sole will not damage native table structure, reduce soil erosion, especially
It is to prevent from eroding, there is remarkable result to environmental improvement；
(3) hole irrigating fertilizing technology is used, greatly reduces the amount of application of fertilizer, and since fertilizer is directly applied to crop deeply
Root system concentrated layer, improves the utilization rate of fertilizer, and mu increases production 10-20%；
(4) due to that can plant for two seasons every year, and the time that corn concentrates listing is missed, it is annual than the common grain of plantation
Twice of the more incomes of food, greatly improve economic benefit.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawing is the plant schematic diagram before seedling replanting of the present invention；
Fig. 2 attached drawing is the schematic diagram of planting patterns of the present invention 1.；
Fig. 3 attached drawing is the schematic diagram one of planting patterns of the present invention 2.；
Fig. 4 attached drawing is the schematic diagram two of planting patterns of the present invention 2..
In figure:
1 it is Small plastic shed, 2 be mulch, 3 be seedling, 4 is implantation hole.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
The embodiment of the invention discloses a kind of precocious more seedlings cultural methods of fresh edible maize rush in two seasons of one year, mainly include greenhouse
Nursery and field-transplanting.
1, it nurses young plants in hothouses
(1) nursery: mid or late Febuary in early spring~early March carries out heat preservation nursery using floor-heating type greenhouse, and nursery temperature is kept
At 22 DEG C~32 DEG C, container for plant growth selects straw seedling breeding pot nursery, the built-in seedling medium of pot for growing seedlings.
Host material are as follows: vermiculite, turf, slag ash, mushroom residue, perlite, fine sand, organic fertilizer (predominantly cow dung, sheep
Excrement, pig manure etc.), rural area soil etc., each raw material is through harmless treatment (sprinkling sterilizing insecticide, high temperature sterilization), never additionization
Fertilizer.Different proportion is prepared according to seedling raise period, container for plant growth size and seedling strain number, to guarantee the nutrition of crop abundance.
Specifically, use 7 parts of charring rice husk, 3 parts of sand as seedling medium, with the use of the nutrient solution of pH=6, growth of seedling
Well, both raw materials materials are convenient, at low cost, simple and easy to do, are suitable for popularization and application.
It is handled with+1.2 perlite of 1.2 sand and both composite interstitial substances of+2.3 vermiculite of 1.3 slag ash, is respectively being tested respectively
Under the conditions of nursery effect it is best, not only emergence is fast, neat, and growth of seedling is healthy and strong rapidly.
With slag ash nursery, neat and consistent of emerging, Early seedling stage growth is preferable, but anaphase blade turns to be yellow, after a leaf phase
Nutrient solution must be supplied in time to supplement the nutrients.
Composite interstitial substance is configured to vermiculite+organic fertilizer+slag ash, it is plant strain growth gesture, mineral absorption, photosynthesis characteristics, degeneration-resistant
Property is good.
(2) 4~6 seeds are put into each container for plant growth, seed passes through germination treatment, shows money or valuables one carries unintentionally to germination or bud is long
Sowing in time when reaching seed length, to guarantee that 3~4 plants of seedling can be retained in each container for plant growth after emerging.
(3) nursery period management
Seedling management is mainly moisture, temperature and gas permeability management, it is found that irrigation on plastic membrance is carried out when water shortage to be irrigate.After planting 3~
4d generally will appear water shortage problem, in irrigation on plastic membrance 1cm thickness water layer.It can guarantee that matrix does not generate hardened phenomenon in alms bowl in this way,
It can not fill, fill easily causes humidity excessive more, causes the mold of seed more.
Temperature is the principal element of germination speed, and suitable germination temperature is 25 DEG C, is unfavorable for seed more than 30 DEG C
Germination and nurturing staff, discovery temperature is excessively high or at fine day noon, has to cool down in due course, keeps temperature of shed.
(4) it is managed after emerging
With the seed sowing germinateed, general 7~10d just emergence completely wants multi-pass wind, more hardenings prevent after emergence
The excessively high seedling excessive growth of temperature；It to water in due course, in right amount simultaneously, keep seedling robust growth.If young plant growing way is too fast, battalion in alms bowl
Supporting cannot meet the needs, can be in the nutrient solution of later spray PH=6.
(5) it transplants
Seedling will carry out in due course hardening before carrying out transplanting transplanting when growing to 31 heart of leaf, and preceding 5~7 days seedling of transplanting no longer need
It waters.Since early spring ground temperature is lower, the method that mulch 2 plus Small plastic shed 1 are taken in seedling replanting to ground is kept the temperature, and keeps temperature
Degree is at 15~25 DEG C.
It should be noted that transplanting seedling age is with the 4th leaf when be unfolded, i.e. when 31 heart of leaf transplant it is best, no more than 5
Leaf；Seedling raise period is no more than 30 days, and rice shoot height is no more than 25cm, is advisable with 15~20cm, otherwise rice shoot can lack nutrition and
Weak seedling is formed, transplanting survival rate and transplanting seedling time are influenced；The rice shoot color transplanted by the above method is dark green, stalk is sturdy.
Hardening before transplanting will be depending on straw seedling culture container dry and wet degree, and pick up container for plant growth with hand is without dissipating
It is quasi-.
Nearly 3 years seedling emergence rates, transplanting survival rate and seedling-slowing stage data are carried out by above-mentioned seedling raising process
Statistics, shown in statistical result table 1:
1 straw seedling breeding pot nursery emergence of table and transplant survival application form
2, field-transplanting
(1) seedling replanting is planted
Planting patterns is 1.: referring to fig. 2, seedling replanting takes cave to plant, 4 plantations rows, width plantation, wide row namely line-spacing
For 90~110cm, narrow row namely spacing in the rows are 60-80cm, make a call to 1000~1500 implantation holes 4 with puncher on plantation point, hole
150~300mm of diameter, 80~100cm of hole depth, implantation hole 4 is interior to fill the fertilizer mixed and is sufficiently irrigated.
Wherein, fertilizer is 1000~1500kg/hm of granular organic fertilizer of soil for improving conservation ability and promoting absorption ability2, 100~150kg/hm of nitrogenous fertilizer2、
150~200kg/hm of phosphate fertilizer2And 125~180kg/hm of potash fertilizer2, 4 kinds of fertilizer are mixed evenly using preceding.
Planting patterns is 2.: if only there are one plant of maize seedling seedling 3 in container for plant growth, using this planting patterns.Referring to
Fig. 3-Fig. 4 digs the square implantation hole 4 of a 25~30cm × 25~30cm with specific purpose tool in the ground, highly for 25~
30cm is transplanted, 4 with guaranteeing that the height of maize seedling after transplanting is no more than ground by the way of quadrangle or positive side triangle
Plantation row, width plantation, wide row namely line-spacing are 90~110cm, and narrow row namely spacing in the rows are 60-80cm.
(2) remove Small plastic shed: later period environment warms, and ground temperature increases, and after ground surface temperature is higher than 15 DEG C, gradually removes
Small plastic shed 1.
(3) early or mid June carries out second nursery, at this time since temperature increases, it is no longer necessary to and floor heating improves temperature, in
The phenomenon that noon temperature increases, and temperature of shed need to also cover sunshade net outside canopy, avoid the occurrence of burn seedlings when being higher than 33 DEG C.Seedling raising manners
It is identical with the seedling raising manners in March in early spring.
(4) start to be transplanted after first crop harvest corn.
(5) field management: the corn manuring late of two seasons and irrigation are all made of the mode for planting cave-applied fertilizer and irrigation, other pipes
It manages identical as the field management of existing fresh edible maize implantation methods.
It is calculated by line-spacing 100cm, spacing in the rows 70cm, beats implantation hole 952 per acre, 4 plants of corns are planted in every hole, plant 3800 altogether
Strain calculates, and the production cost and economic benefit of the fresh edible maize that the present invention plants and common grain corn are listed as follows:
The production cost of table 2 fresh edible maize and grain corn
3 fresh edible maize of table and grain corn planting year economic benefit
The present invention plants operation by using the more plants of punchings in a hole, the practical subsoiling area of per hectare only 200~500m2,
Occupied area only 5~10%, reduces farming area, replaces traditional plane entirety farming technique with vertical cultivation technology, together
When be local farming again, 10% of farming area less than the gross area, tillage machinery power consumption is few, and tilth is big, no plough bottom
Layer does not destroy native table structure, reduces soil erosion, especially prevents from eroding, and has remarkable result to environmental improvement；
Dose is calculated, by depth 80cm, diameter 10cm, per hectare punches 18000 calculating, and dose is only original
5~10%, greatly reduce the amount of application of fertilizer, since fertilizer is directly applied to crop root concentrated layer deeply, improve fertilizer
Utilization rate, mu volume increase 10~20% or so.
Method of the invention can plant for two seasons every year, and by the end of June for first arrival in March, by the end of June to by the end of September, number of productive ear is per acre
2500~3500 fringes, price are 0.3~0.5 yuan/fringe, can take within 1 year 1500~3500 yuan/mu, 22500~52500 yuan/
hm2.If early gone public 5~10 days than market, every fringe price just will increase 0.2~0.5 yuan, and mu can increase income 1000~3000
Member is annual twice more than common grain income is planted.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of precocious more seedlings cultural method of fresh edible maize, which comprises the following steps:
(1) nursery: mid or late Febuary in early spring-early March carries out heat preservation nursery；
(2) transplant: seedling is transplanted when growing to 3-5 piece leaf, and rear progress isothermal holding in seedling replanting to ground；
(3) planting patterns: seedling replanting takes hole to plant, at least 3 plants of seedling in each implantation hole, fills out in implantation hole before transplanting
It fills fertilizer and is sufficiently irrigated；
(4) remove Insulation: environment warms, and temperature gradually removes Insulation after increasing；
(5) secondary nursery, plantation: early or mid June carries out second of nursery, seedling raising manners and planting patterns and walks referring to step (1)-
Suddenly (3), and appropriate adjustment is carried out according to environmental condition；
(6) start to be transplanted after first crop harvest corn.
2. a kind of precocious more seedlings cultural method of fresh edible maize according to claim 1, which is characterized in that in step (1)
Heat preservation nursery is carried out using floor-heating type greenhouse, nursery temperature is maintained at 22-32 DEG C.
3. a kind of precocious more seedlings cultural method of fresh edible maize according to claim 1, which is characterized in that step (1) institute
Nursery is stated using straw seedling breeding pot nursery, the built-in seedling medium of pot for growing seedlings.
4. a kind of precocious more seedlings cultural method of fresh edible maize according to claim 3, which is characterized in that educated described in each
4-6 seeds are put in seedling alms bowl.
5. a kind of precocious more seedlings cultural method of fresh edible maize according to claim 1, which is characterized in that step (2) institute
It states when seedling grows to 31 heart of leaf and is transplanted, seedling height is maintained at 15-25cm when transplanting, and carries out hardening before transplanting.
6. a kind of precocious more seedlings cultural method of fresh edible maize according to claim 1, which is characterized in that step (2) institute
It states the mode for taking mulch to add Small plastic shed in seedling replanting to ground to be kept the temperature, temperature is at 15-25 DEG C.
7. a kind of precocious more seedlings cultural method of fresh edible maize according to claim 3, which is characterized in that in step (3),
Implantation hole is beaten with puncher on plantation point, the plantation bore dia is 150-300mm, depth 80-100cm, each plantation
Hole corresponds to a pot for growing seedlings.
8. a kind of precocious more seedlings cultural method of fresh edible maize according to claim 1, which is characterized in that in step (3),
Implantation hole is dug on plantation point, the implantation hole length, width and height are 25-30cm, and seedling is using quadrangle or the side of equilateral triangle
Formula transplanting.
9. a kind of precocious more seedlings cultural method of fresh edible maize according to claim 7 or 8, which is characterized in that seedling is adopted
The mode of the implantation hole width plantation is taken, wide row is away from 90-110cm is set as between the adjacent implantation hole, and narrow row is away from setting
For 60-80cm.
10. a kind of precocious more seedlings cultural method of fresh edible maize according to claim 1, which is characterized in that step (5) institute
It states secondary nursery, no longer need to carry out isothermal holding in planting process, and sunshade is carried out to seedling when temperature reaches 33 DEG C
Processing.
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| CN201910229320.7A CN109906894A (en) | 2019-03-25 | 2019-03-25 | A kind of precocious more seedlings cultural method of fresh edible maize |
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| CN115119697A (en) * | 2022-07-07 | 2022-09-30 | 西北农林科技大学 | Cultivation method for harvesting corn silage in north one year for two times |
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