CN102919031B - Grass control and sapling protecting method during culturing period of emergence for seedlings of trees - Google Patents
Grass control and sapling protecting method during culturing period of emergence for seedlings of trees Download PDFInfo
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- CN102919031B CN102919031B CN2012104617730A CN201210461773A CN102919031B CN 102919031 B CN102919031 B CN 102919031B CN 2012104617730 A CN2012104617730 A CN 2012104617730A CN 201210461773 A CN201210461773 A CN 201210461773A CN 102919031 B CN102919031 B CN 102919031B
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Abstract
The invention discloses a grass control and sapling protecting method during a culturing period of emergence for seedlings of trees, which comprises the steps of: selecting soil which is loose in texture and good in drainage as a land for tree nursery; ploughing under to great depth in winter in the previous year before seedling growth; leveling the target, and thoroughly eliminating foreign bodies which hinder germination of seeds; thoroughly sterilizing soil by ferrous sulfate aqueous solution before seeding; seeding in good time; before emergence, atomizing the surface of soil uniformly by napropamide aqueous solution, and preventing and eliminating weeds which are not epigeal; within 10 days of germinating seedlings of seeds, covering the surface of soil by a herbicide soaked saw dust formed by starane, agroxone and quizalofop-ethyl and eliminating weeds and conserving soil moisture; and managing the land for tree nursery in good time with appropriate amount after application. The method is applied to controlling breeding of weeds in the land for tree nursery effectively for forestry production, and further reduces water loss on the surface of soil, so that the soil environment of seed germination of forestry is improved, the germination rate and planting percent of seeds in the same year are remarkably improved, and the efficiency of culturing seedlings of trees is beneficially improved.
Description
Technical field
The present invention relates to a kind of forest seedling breeding seeding stage control grass method of keeping a full stand of seedings, can effectively control tree seedling seeding stage earth's surface weeds propagation and widespread, maintain soil moisture content, guarantee that seedling is healthy and strong to grow up, belong to achievements in forest-tree seedling raising technology field.
Background technology
Weeds are the formidable enemies in production of forestry.In production of forestry, because the forest tree seed germination is slow, the seeding stage is long, and earth's surface is exposed for a long time provides suitable living environment to the living positive weeds of some droughts.Weeds rely on its vigorous vitality and childish and tender seed, seedling to fight for space, nutrient and moisture, seriously hinder the normal growth of seedling.In China's production of forestry, for improving the forest Growth of seedling, improve the output of emergence rate and qualified seedling, all will spend a large amount of human and material resources and financial resources for the field weeding operation every year.And the correct use of weed killer herbicide is undoubtedly a kind of good method that controlling weeds is got twice the result with half the effort, apply extremely extensive.But the single herbicide application method of tradition exists herbicide thoroughly, also not have the danger of damaging seedling, bring certain difficulty and limit to the application of weed killer herbicide in production of forestry.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of forest seedling breeding seeding stage control grass method of keeping a full stand of seedings, and effectively to prevent and kill off the infringement of seedbed weeds in forest seedling nursing, guarantees that seedling field seedling is healthy and strong to grow up.
As follows for solving above-mentioned technology the technical solution used in the present invention:
A kind of forest seedling breeding seeding stage control grass method of keeping a full stand of seedings, it comprises the steps:
(1) select that quality is loose, well-drained sandy loam or loam make nursery lot, complete winter the previous year of growing seedlings ploughs deeply, the leveling target is thin, thoroughly rejects the foreign matter of these obstruction seed sproutings of grass roots, subterranean stem, stone or metal that affects seed sprouting;
(2) before the sowing, with ferrous sulfate aqueous solution, soil is carried out to thorough sterilizing, eliminate the pathogen in soil;
(3) begin sowing in good time;
(4) before emerging after broadcasting, with the napropamide aqueous solution, to the soil surface even spraying, prevent and kill off and sprout and not unearthed weeds;
(5), after the seed sprouting seedling all sprouts in 10 days, the mixed herbicide medicine that it is grand with making, methoxone and quizalofop-ethyl form soaks sawdust and covers earth's surface, the weed eradication soil moisture conservation;
(6) carry out timely and appropriately the management of seedling field after dispenser.
In step (1), the described degree of depth of ploughing deeply is 30～35cm.
In step (2), described ferrous sulfate (FeSO
4) mass percentage concentration of the aqueous solution is 30%, requires in front 7～10 days pouring soil of sowing, every square metre of consumption is 2kg, and accomplish execute fill with evenly, thorough, do not blank, guarantee that the seed seedling does not catch an illness.
In step (3), described beginning sowing in good time determined the rational sowing time for foundation different tree species seed sprouting rule and phenology feature, and be the early and middle ten days in March general suitable sowing time.
In step (4), described napropamide [N, N-diethyl-2-(1-naphthoxy) propionamide] aqueous solution mass percentage concentration is 35 ~ 45%.Compound method is by 50wt% napropamide wetting powder 100～200g, is watered 30kg, mixes and get final product.The napropamide aqueous solution is shown even spraying for soil, and every mu of consumption is 25～30kg.
In step (5), described mixed herbicide is prepared and is obtained as follows: by methoxone (2-methyl-4-chlorophenoxyacetic acid) aqua that makes its grand (the fluoro-pyridine of the chloro-6-of 4-amino-3.5-bis--2-fluoroacetic acid) missible oil, 200～300ml 20wt% of 30～40ml 20wt% and 50～70ml 10wt% quizalofop-ethyl [2-[4-(the chloro-2-quinoxaline of 6-oxygen base)-phenoxy group] ethyl propionate] missible oil, be watered 50～65kg after mixing, mix and get final product.
In step (5), the preparation method that medicine soaks sawdust for by the mixed herbicide even spraying on sawdust, consumption is that every 50kg intermixture is processed 150～200kg sawdust, requires sawdust used thoroughly to be run through.
In step (5), it is 2～3 ㎝ that described medicine soaks the sawdust cladding thickness, accomplishes and covers evenly, and must avoid seedling.
In step (5), described sawdust can replace with horticulture ground substances such as rice husk or rice chaff ashes.
In step (6), the management of described seedling field mainly comprises timely trickle, sunshade in good time.The application of control measures will be determined according to earth's surface soil moisture content, weather conditions.If meet continuous sunny drying, after dispenser 4～6 days with sprayer trickle 1 time, take and drench increased surface covering as degree, and use the sunshade of one deck sunshade net in good time.
Beneficial effect: forest seedling breeding seeding stage of the present invention control grass method of keeping a full stand of seedings, be, damage seedling defect thorough for traditional single existing herbicide of herbicide application method in current production of forestry, propose a kind of brand-new, efficient forestry nursery ground weeding practice.The method is used by the mixed and alternate of different weed killer herbicides, conversion in conjunction with the different administration method, not only can accomplish thorough control weeds, guarantee seedling safety, and can be conducive to reduce earth's surface, nursery soil water evaporation, effectively alleviate arid threat in spring, add the meticulous operation of managing and protecting, accomplish under the prerequisite of the limited soil of growing seedlings, limited kind of real number amount, cultivate to greatest extent qualified seedling, significantly improve ratio and the quantity of high-quality seedling then, meet Production requirement.
Embodiment
According to following embodiment, the present invention may be better understood.Yet, those skilled in the art will readily understand, embodiment is only for the present invention is described, and should also can not limit the present invention described in detail in claims.
Embodiment 1 single herbicide is applied to the seedling field.
(1) plant real the collection and processing: gather ripe Dendronenthamia japonica var.chinensis kind real 5kg from Jiangsu Provincial Forest Science Research Inst. in November, 2010, and planting solid color is the raw meat redness.Kind real soak in advance 2 round the clock in Plastic Drum, pick up and stir with club afterwards, manually rubbed rear water and break through sieve, to remove outside pulp.Dry rear acquisition pure seed 1.8kg.
(2) seed storage: will remove the pure seed of pulp, and first in 45 ℃ of warm water, soak 2 round the clock, and pick up rear mixed sand drift and be put in in the shade laboratory.Sand is middle rough sand, moisture 45～60%, and seed is 1:3 with wet husky volume ratio, and stirs, and accomplishes low temperature, ventilative, moistening.Checked 1 time every 20 days during seed storage, find kind of a husky dry moisturizing in time.
(3) whole ground, nursery: select in Jiangsu Provincial Forest Science Research Inst. garden that quality is loose, well-drained nursery lot.Winter in 2010 completes tractor-ploughing and ploughs deeply (20～25cm), and has carried out the leveling operation.At the beginning of 2011 3 months, make high bed, south-north direction, height of bed 25cm, bedside 12cm, leave the pavement of 25cm between bed.
(4) sowing: after on March 5th, 2011 the Dendronenthamia japonica var.chinensis seed being sifted out, conventional seed planting, seeding method is drilling, broadcasts rear earthing 3～4cm.On April 10th, 2011, seed starts to be unearthed, and April 25 all sprouted substantially, and the seeding stage is 25 days.
(5) seedling field management: because the seeding stage is long, weed growth is in great numbers, and main species has: green foxtail, wild oat, moleplant seed, amur foxtail, eleusine indica, hispid arthraxon, lamb's-quarters, clearvers, chickweed, knotweed, emarginate amaranth herb or seed, water peanut etc.Carried out 1 artificial weeding operation on April 16, but because most weeds root segments stay soil, poor effect.Carried out the 2nd weeding on April 30, adopted the 10% quizalofop-ethyl aqueous solution to carry out spraying operation, after 10 days, the weeds such as green foxtail, wild oat, moleplant seed, amur foxtail, eleusine indica, hispid arthraxon are in succession withered, but that broad leaved weed is still grown is vigorous.Carry out again subsequently 1 artificial weeding operation.
(6) actual effect: although 2 artificial weedings and 1 weed killer herbicide operation have been carried out in front and back, the impetus of seedling field weed vigorous growth is not effectively checked, and general effect is undesirable, brings very large impact to the growth of seedling.
Embodiment 2: adopt method of the present invention to be applied to the seedling field.
(1) plant real the collection and processing: introduce ripe smooth bark Lai wood in October, 2011 from Jiujiang and plant real 5kg, the kind solid color is black.Plant and soak in advance in fact 2 round the clock in Plastic Drum, remove floating empty grain blighted grain, after filtration, on coarse concrete floor, manually step on and step on 30 minutes, clear water is used alkaline soak 24 hours after rinsing again, after filtration, manually rubs 30 minutes, after clear water rinses, sieve and dry, obtain pure seed 2.1kg.
(2) seed storage: by pure seed, first in 45 ℃ of warm water, soak 2 round the clock, pick up that rear mixed sand bed is long-pending to be stacked in the shade laboratory.Sand is middle rough sand, moisture 45～60%, and seed is 1:3 with wet husky volume ratio, and stirs, and accomplishes low temperature, ventilative, moistening.Checked 1 time every 20 days during seed storage, find kind of a husky dry moisturizing in time.
(3) whole ground, nursery: select in Jiangsu Provincial Forest Science Research Inst. garden that quality is loose, well-drained nursery lot.Winter in 2011 is manually ploughed deeply (30～35cm), and carried out leveling, target is thin, and thoroughly rejects the foreign matter of the obstruction seed sproutings such as the grass roots that affect seed sprouting, subterranean stem, stone, metal.Make high bed in February, 2012, south-north direction, height of bed 25cm, bedside 12cm, leave the pavement of 25cm between bed.
(3) sowing: before sowing, application 30wt% ferrous sulfate aqueous solution carries out thorough sterilizing to soil, eliminates the pathogen in soil.March 20 was sifted out seed, was sowed, and seeding method is drilling, and seeding quantity is every mu of 15kg.Broadcast rear earthing 3～4cm.
(4) broadcast the front soil treatment of rear germination: March 30, its matching method was 50wt% napropamide wetting powder 100～200g, is watered 30kg with the appropriate napropamide aqueous solution to the soil surface even spraying, soil table even spraying, every mu of consumption 25～30kg.
(5) soil treatment after the germination: on April 10th, 2012, seed starts to be unearthed successively, and May 15 all sprouted substantially, and the seeding stage is 35 days.May 20, to use the sawdust after the mixed herbicide that makes its grand+methoxone+quizalofop-ethyl composition is processed to cover earth's surface weed eradication soil moisture conservation, and accomplished that covering is even, cladding thickness is 2～3 ㎝, avoids seedling.Described mixed herbicide is prepared and is obtained as follows: the methoxone aqua and the 50～70ml 10wt% quizalofop-ethyl EC that make its mamaplasty oil, 200～300ml 20wt% by 30～40ml 20wt%, be watered 50～65kg after mixing, and mix and get final product.The preparation method that medicine soaks sawdust for by the mixed herbicide even spraying on sawdust, consumption is that every 50kg intermixture is processed 150～200kg sawdust, requires sawdust used thoroughly to be run through.
(6) seedling field management: according to earth's surface soil moisture content, weather conditions, after dispenser the 6th day with sprayer trickle 1 time, to supplement the moisture of increased surface covering, and with one deck sunshade net to the sunshade of seedling field.
(7) actual effect: before broadcasting rear germination and after germinateing, carried out respectively 2 different Herbicidal operations, although do not carry out artificial weeding, but on the seedling field, the weeds such as green foxtail, wild oat, moleplant seed, amur foxtail, eleusine indica, hispid arthraxon, lamb's-quarters, clearvers, knotweed, emarginate amaranth herb or seed, barnyard grass are in succession withered, remaining weeds quantity obviously reduces, and crop smothering has obtained effectively checking basically.
Embodiment 3:
With the method for embodiment 2, difference is that described sawdust replaces with rice husk or rice chaff ash.
Claims (5)
1. forest seedling breeding seeding stage control grass method of keeping a full stand of seedings, is characterized in that, it comprises the steps:
(1) select that quality is loose, well-drained sandy loam or loam make nursery lot, complete winter the previous year of growing seedlings ploughs deeply, the leveling target is thin, thoroughly rejects the foreign matter of these obstruction seed sproutings of grass roots, subterranean stem, stone or metal that affects seed sprouting;
(2) before the sowing, with ferrous sulfate aqueous solution, soil is carried out to thorough sterilizing;
(3) begin sowing in good time;
(4) before emerging after broadcasting, with the napropamide aqueous solution, to the soil surface even spraying, prevent and kill off and sprout and not unearthed weeds;
(5), after the seed sprouting seedling all sprouts in 10 days, the mixed herbicide medicine that it is grand with making, methoxone and quizalofop-ethyl form soaks sawdust and covers earth's surface, the weed eradication soil moisture conservation;
(6) carry out timely and appropriately the management of seedling field after dispenser;
In step (4), described napropamide aqueous solution mass percentage concentration is 35～45%;
In step (5), described mixed herbicide is prepared and is obtained as follows: by the methoxone aqua and the 50～70ml 10wt% quizalofop-ethyl EC that make its mamaplasty oil, 200～300ml 20wt% of 30～40ml 20wt%, be watered 50～65kg after mixing, mix and get final product;
In step (5), the preparation method that medicine soaks sawdust for by the mixed herbicide even spraying on sawdust, consumption is that every 50kg intermixture is processed 150～200kg sawdust, requires sawdust used thoroughly to be run through.
2. forest seedling breeding seeding stage according to claim 1 control grass method of keeping a full stand of seedings, is characterized in that, in step (1), the described degree of depth of ploughing deeply is 30～35cm.
3. forest seedling breeding seeding stage according to claim 1 control grass method of keeping a full stand of seedings, is characterized in that, in step (2), the mass percentage concentration of described ferrous sulfate aqueous solution is 30%.
4. forest seedling breeding seeding stage according to claim 1 control grass method of keeping a full stand of seedings, is characterized in that, in step (5), it is 2～3 ㎝ that described medicine soaks the sawdust cladding thickness, accomplishes to cover evenly, and must avoid seedling.
5. forest seedling breeding seeding stage according to claim 1 control grass method of keeping a full stand of seedings, it is characterized in that: in step (5), described sawdust can replace with rice husk or rice chaff ash.
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| CN105993504A (en) * | 2016-05-27 | 2016-10-12 | 常州薰衣草现代农业发展有限公司 | Method for inhibiting weed growth |
| CN106922673A (en) * | 2017-03-10 | 2017-07-07 | 合肥星宇化学有限责任公司 | Napropamide and fluroxypyr complex herbicidal composition and its preparation and application |
| CN107969293B (en) * | 2017-12-20 | 2020-11-17 | 台州市农业科学研究院 | Method for preventing and controlling weeds in broccoli field |
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| CN101977511A (en) * | 2008-03-25 | 2011-02-16 | Sds生物技术株式会社 | Herbicide composition and weed control method |
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| JP2009215285A (en) * | 2008-02-14 | 2009-09-24 | Japan Conservation Engineers Co Ltd | Foreign plant extermination technique |
| CN101999357A (en) * | 2010-12-17 | 2011-04-06 | 上海生农生化制品有限公司 | Herbicide composition and application thereof |
| CN102067842B (en) * | 2011-01-26 | 2014-06-18 | 江苏省农用激素工程技术研究中心有限公司 | Herbicide composition in paddy field |
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| CN101977511A (en) * | 2008-03-25 | 2011-02-16 | Sds生物技术株式会社 | Herbicide composition and weed control method |
Non-Patent Citations (4)
| Title |
|---|
| Effect of organic mulches and a residual herbicide on soil bioactivity in an apple orchard;M.J.Hartley etc.;《New Zealand Journal of Crop and Horticultural Science》;19961231;第24卷(第2期);183-190 * |
| JP特开2009-215285A 2009.09.24 |
| M.J.Hartley etc..Effect of organic mulches and a residual herbicide on soil bioactivity in an apple orchard.《New Zealand Journal of Crop and Horticultural Science》.1996,第24卷(第2期),183-190. |
| 秦殿伟 等.落叶松圃地果尔和盖草能除草试验.《吉林林业科学》.2012,第41卷(第6期),7-11. * |
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Effective date of registration: 20181128 Address after: 311200 Shimatou Village, Daicun Town, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Kunlian Landscape Engineering Co., Ltd. Address before: 210000 No. 99, hung Jing Avenue, Jiangning District, Nanjing, Jiangsu. Patentee before: Jinling Institute of Technology |
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