JP4025168B2 - Weed control mulching material in vegetation soil - Google Patents
Weed control mulching material in vegetation soil Download PDFInfo
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Description
【0001】
【発明の属する技術分野】
本発明は、畑地の農作物、家庭や公園、あるいは道路の緑地帯等の草花、植木の植生地に生える雑草を抑制する植生土壌の雑草抑制マルチング材に関するものである。
【0002】
【従来の技術】
植生土壌のマルチングは、古くから稲藁、麦藁等の敷き藁、枯れ草等自然物のほかプラスチックフィルムやシートが用いられている。また、これら天然物に家畜糞尿を混合発酵させて得られる堆肥のマルチ施用についても非特許文献1に提案されている。これには堆肥のマルチ施用に関して、作物を植え付けた土の上に半熟堆肥をマルチして使用する方法では、肥料的な効果より、水分の保持や天敵の住みかを提供して害虫を駆除する効果が期待できるとの記載がある。
【0003】
マルチング堆肥についても、本発明と同様に雑草の成長抑制を目的とするものに特許文献1がある。これには、繊維質多孔質体と炭素率(C/N比)が3〜20である有機質肥料とを有するマルチング材で、マット状やシート状ではなく粒状のマルチング材を地表面に被覆撒布するものである。ここでは、有機質肥料のC/N比が5未満であると、たとえばオガクズ原料のものは、雑草の発芽抑制効果を有する微生物が繁殖しにくいため、マルチング材として好ましくないことが記載されている。
【0004】
また、家畜糞尿を原料として発酵堆肥とすることも多く提案されている。本発明で対象とする原料の牛糞については、たとえば、特許文献2に記載があり、その内容は、有機質資材の上に家畜の生排泄物と植物肥料の三要素の一つとを混ぜたものを屋根付き堆積場に山積みし、最終的に含水比20%以下になるまで発酵熟成すると共に、一時的に発酵を強制停止させた粒状物として、これを土壌改良材に利用するものである。
【0005】
【特許文献1】
特開2001−95398号公報(第2頁、第3頁、図1)
【特許文献2】
特開2000−185988号公報(第1頁、図1)
【非特許文献1】
日本有機農業研究会、有機農業ハンドブック、1999年1月10日発行、第26頁
【0006】
【発明が解決しようとする課題】
最近になって、国土緑化の促進に伴って、道路中央分離帯や公園に植えられた植栽物や街路樹等の根元の雑草排除に多大な労力と費用を要するようになり、土壌表面に飛来した種子の発芽も抑制することができるマルチング材の使用が注目されてきている。一方において、家畜糞尿の処理や、林業分野における間伐材の処理や建築木工資材の加工場、建築現場等から排出される木チップやオガクズ等の処理が公害防止上、社会問題となっている。これらの問題を一挙に解決する手段として、畜舎の敷き藁に代えて、又は敷き藁と共にオガクズを使用する際の糞尿混合排出物を有効活用すること、これを雑草防止効果のある雑 草抑制マルチング材として有効に活用すること、最終的には植栽物の肥料となり、かつ、土壌改良材にもなることを課題として、検討を加えた。
【0007】
また、従来のマルチング材は、地表面にある種子や株からの雑草の生育を抑制するにはかなりの厚さに大量のマルチング材を敷設しなければ十分な効果が期待できないものであった。大量使用は費用の増大をもたらすうえ、植物の根腐れを招いたり、余分のマルチング材が飛散して周囲を汚染する弊害を招くことも考えられる。
【0008】
【課題を解決するための手段】
本発明は、以上のようなマルチング材の欠点を解決し、かつ、処理に困っている家畜糞尿やオガクズの有効活用による新規なマルチング材を開発したもので、その手段として家畜糞堆肥と土壌との混合物からなる植生土壌のマルチング材とした。すなわち本発明の植生土壌の雑草抑制マルチング材構成は、家畜糞堆肥と土壌との混合物からなり、家畜糞堆肥30〜70%容量と、土壌70〜30%容量との混合物からなる植生土壌のマルチング材であって、家畜糞堆肥が牛糞堆肥であり、該牛糞堆肥が牛舎の敷き藁又は敷きオガクズ、木チップ等の木屑と牛糞尿排泄物の混合物からなる未発酵処理物の未熟堆肥であり、土壌が土壌微生物の少ないまさ土である。
【0009】
家畜糞堆肥と土壌との混合比率は、容積比で、家畜糞堆肥30〜70%容量と、土壌70〜30%容量との範囲であって、より好ましい範囲は家畜糞堆肥40〜60%容量と、土壌60〜40%容量との範囲である。家畜糞堆肥30%容量以下であると、土壌が多すぎて、雑草の生殖を防止する効果が十分でなくなるし、逆に60%容量以上の混合物になると、植物が吸水阻害による、いわゆる肥料負けを起こし、生育が停滞するので、好ましくない。もっとも、バランス良く好ましいのは、家畜糞堆肥と土壌の種類にもよるが、容量で等量に近い混合物である。バランスのよい混合比にすると、本来地表面にある種子からの雑草の成長を抑制するだけでなく、外部から飛来する雑草の種子の発芽も抑制する効果が得られる。
【0010】
ここで用いる家畜堆肥は、牛糞堆肥、豚糞堆肥、鶏糞堆肥等通常のものが利用できるが、特に牛糞堆肥が好ましい。牛糞堆肥は、牛舎の敷き藁又は敷き木屑、特に木チップやオガクズ等の単独又はこれらの混合物であり、牛舎から排出された生牛糞を大量に含む木チップやオガクズと共に発酵させて、少なくとも、半発酵状態とする。通常は堆積切り返しを複数回実施して30時間以上の発酵により得られた、木チップやオガクズ等牛糞尿混合物からなる排泄物の発酵処理物である植生土壌の雑草抑制マルチング材とする。豚糞や鶏糞の場合は新たに木チップやオガクズ等を添加混合して、上記の牛糞堆肥に近い組成にして発酵処理をする。豚糞や鶏糞の含有量が多すぎると最終製品の肥料成分が過剰となって、肥料焼けを起こしたり、雑草の繁殖防止効果が十分でなくなる。
【0011】
牛糞の発酵処理物に混合する土壌は、種々の土壌としてシラス等の火山砂、珪藻土、珪砂等が利用できるが、製品の品質を一定にするためには、いわゆる、まさ土と称される花崗岩の風化土砂が好ましい。まさ土は比較的大量に供給でき、有機物が少なく、かつ土壌微生物も少ない点で配合には好ましい材料である。
【0012】
マルチング材に添加する肥料は、マルチング効果に加えて、植物生育を促すもので、必要により用いる。肥料成分は牛糞から供給されるので、特に加える必要はないが、加えるとしたら牛糞以外の有機肥料成分の米糠、油粕、ふすま、鶏糞、等、あるいは、無機の化学肥料等である。このような肥料を併用することにより、窒素、リン、カリ等の肥料成分のバランスが改善され、基本的に雑草繁茂を抑制するマルチング効果に影響されずに植物生育を良好にすることができる。
【0013】
本発明の雑草抑制マルチング材の施用量は、季節、植物の種類、雑草種の飛来程度等環境条件にもよるが、通常、植栽物の根元周辺の地表面に、0.5〜15kg/m2、好ましくは、1〜10kg/m2、更に好ましくは、2〜10kg/m2の密度で露出した土壌表面を被覆するとよい。マルチング材の被覆層の面密度が、0.5kg/m2未満ではマルチング層が薄すぎて土壌表面の雑草新芽を枯死したり、飛来した雑草の種子の発芽を抑制することができず、15kg/m2を超えるとマルチング効果は十分であるが、費用や労力がかかりすぎるし、植物に対して肥料負け、通気性の悪化等で、植生に弊害が生じるので好ましくない。
【0014】
このように、マルチング材で土壌表面を被って、地温保持や水分蒸散防止効果のほか、本発明に係る雑草抑制マルチング材は、地表面にある種子からの雑草の成長を抑制する効果が得られる。また、マルチング施用後のマルチング材表面に飛来した雑草の種子等の発芽も抑制される。
【0015】
本発明の植生土壌の雑草抑制マルチング材によって、マルチングされた土壌表面の小さな発芽済みの雑草の生長抑制や、飛来した雑草の種子の発芽が抑制されるメカニズムについてはいまだ明瞭ではないが、現在のところ、マルチング材下面の土壌表面の小さな雑草の発芽物は黄変して枯死するし、堆積したマルチング材の表面に人工的に散布した雑草や野菜の種子からは発芽しない現象だけは、明確に確認されている。このことから、以下のように雑草防止作用が推測される。すなわち、家畜糞堆肥中には多くのオガクズや木チップ等がまだ未発酵の状態にあるため、これらの樹皮粉末に含まれるタンニンやリグニン成分が雑草の発芽や繁茂を防止すると考えられる。
【0016】
【発明の実施の形態】
以下具体的に、本発明の牛糞未熟堆肥と土壌との混合物からなる植生土壌の雑草抑制マルチング材につき説明する。図1はその製造フローチャートである。図1から明らかなように、牛舎からの排出物は、牛の飼育場の床に敷く藁やオガクズ、木チップ等に飼育牛の排泄する糞尿が混じって定期的に清掃して取り出される廃棄物である。通常は堆積して自然発酵を待つ方法も採用されるが、効率よく処理する際には、発酵装置を用いる。発酵を早めるためには、水分調整をするが、雑草抑制マルチング材とするためには、水分調整材として、オガクズ、木チップ等を用いる。発酵糟には、撹拌切り返し用の撹拌羽根があって、常に、最適発酵条件を維持する。場合により発酵菌を追加してもよい。発酵層の形状によっては、撹拌羽根の代わりにパワーシャベル等の作業機による切り返しが有効である。
【0017】
飼育場の床敷き材や水分調整材として、オガクズ、木チップ等を用いるのは、これらが、樹皮を多く含み、タンニンやリグニン成分が雑草の繁茂を防止するのを利用するのである。したがって、有機肥料のように完全に発酵熟成させる必要がなく、雑草抑制マルチング材として用いる場合は、むしろ、未熟堆肥のほうが完熟堆肥より好ましい場合がある。
【0018】
このように作成したタンニンやリグニン成分含量の多い家畜糞堆肥はこれ自体でも雑草抑制マルチング材となりうるが、土壌と混合して用いると散布時の取扱性が向上するし、用済み後の鋤込み時には土壌改良効果が期待できる。土壌としては、植生に有効な無機成分を含み、かつ土壌微生物の少ないまさ土が好ましく、容積比で1:1近傍で使用する。更に、必要により肥料成分として、化学肥料を2%程度添加混合してマルチング材とするのである。
【0019】
【実施例】
以下実施例によって、本発明の植生土壌の雑草抑制マルチング材の構成と作用効果につき、具体的実施例によって説明する。
【0020】
実施例1
家畜糞として牛糞を用いた場合につき述べる。和牛を約100頭の飼育場の1区画5頭分の床約20m2にオガクズ約2m3を敷き、飼育牛の排泄する糞尿が混じって汚染してくるので、約1週間毎に約0.4m3のオガクズを4回にわたって、全量約2m3を追加した、1ヶ月後に堆積した全量約5m3を排出した。このような、区画が20区画ある規模の飼育場からの排泄物約100m3を処理した。堆肥原料の概略組成は表1に示す。
【0021】
【表1】
【0022】
この牛舎からの排泄物約100m3を巾4m、長さ15m、深さ2mの醗酵槽に堆積して床面から圧縮空気を噴出させ、好気性醗酵させた。温度が80℃に上り、下りはじめたころに切り返しながら、次の醗酵槽へ10〜20日毎に移した。これを12回移動して60〜70%の熟度の牛糞堆肥とした。
【0023】
得られた牛糞堆肥220kg(約0.6m3)と粒度12mm下のまさ土1m3(約1800kg)の混合物で、雑草の種の代わりに野菜の二十日大根の種で発芽テストをした。ここで、同時に牛糞堆肥とまさ土との混合割合を変えて実施した。施用量はそれぞれ、10L/m2=約1cm厚みである。約25〜17℃の温度範囲で毎日1回潅水して、播種15日後の発芽結果を表2に示す。
【0024】
【表2】
【0025】
表2の結果から、本発明の植生土壌の雑草抑制マルチング材は、牛糞堆肥と土壌との混合比率が容積比で牛糞堆肥30〜70%容量と土壌70〜30%容量との範囲で良好な発芽抑制効果が得られることがわかる。すなわち、裸地の約1/3〜1/5の発芽に抑えられたことがわかる。
【0026】
実施例2
豚舎から排出される豚糞は敷き藁が30%程度混合した濃厚な糞尿排泄物である。これの約1000m3に対してオガクズをほぼ等容積加えて混合し、発酵糟へ仕込み、牛糞堆肥と同様にして、熟度約75%の豚糞堆肥とした。これを、実施例1と同様の条件で二十日大根の発芽試験を行った。結果を表3に示す。
【0027】
【表3】
【0028】
表3の結果から明らかなように、本発明の植生土壌の雑草抑制マルチング材は、牛糞堆肥までは及ばないにしても良好な発芽抑制効果が得られることがわかる。すなわち、裸地の約1/2〜1/3の発芽に抑えられたことががわかる。
【0029】
【発明の効果】
以上説明したように、本発明の家畜糞堆肥と土壌との混合物、これらの混合比を調整することにより、植物の生長促進はもとより、優れた雑草の生育防止効果が得られる植生土壌の雑草抑制マルチング材となる。加えて、牛糞をはじめとする家畜糞や植物廃棄物、特に、木チップやオガクズ等の有効処理に貢献して、除草の労力と費用の節減に寄与すると共に公害防止にも役立つこととなったのである。
【0030】
植物が一年草の収穫後であったり、移植その他で植物が撤去されて裸地になった際には、本発明の雑草抑制マルチング材を土壌中に鋤込めば、土壌有機物の増大とまさ土による土質改良効果も期待できる。
【図面の簡単な説明】
【図1】本発明に係る植生土壌の雑草抑制マルチング材の製造フローチャートである。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a weed suppression mulching material for vegetation soil that suppresses weeds growing on field crops, plants and flowers in homes, parks, roads and green areas, and planting plants.
[0002]
[Prior art]
For mulching vegetation soil, plastic films and sheets have been used in addition to natural products such as paddy straw such as rice straw and wheat straw, and dead grass. Non-patent document 1 also proposes multi-application of compost obtained by mixing and fermenting livestock manure to these natural products. For this, with regard to multi-use of compost, the method of using semi-mature compost on the soil where the crops are planted is used to control pests by providing moisture retention and natural enemy residence rather than fertilizer effects. There is a description that the effect can be expected.
[0003]
Regarding mulching compost, there is Patent Document 1 for the purpose of suppressing the growth of weeds as in the present invention. This is a mulching material having a fibrous porous body and an organic fertilizer having a carbon ratio (C / N ratio) of 3 to 20, and covering the ground surface with a granular mulching material instead of a mat or sheet To do. Here, it is described that when the organic fertilizer has a C / N ratio of less than 5, for example, a sawdust raw material is not preferable as a mulching material because microorganisms having a weed germination inhibitory effect are difficult to propagate.
[0004]
Many proposals have been made on fermented compost using animal manure as a raw material. About the raw material cow dung which is the object of the present invention, for example, there is a description in Patent Document 2, and the content is a mixture of livestock excrement of livestock and one of the three elements of plant fertilizer on an organic material. They are piled up in a covered sedimentation area, fermented and matured until the water content is finally reduced to 20% or less, and used as a soil improvement material as a granular material in which fermentation is forcibly stopped temporarily.
[0005]
[Patent Document 1]
JP 2001-95398 A (2nd page, 3rd page, FIG. 1)
[Patent Document 2]
Japanese Unexamined Patent Publication No. 2000-185988 (first page, FIG. 1)
[Non-Patent Document 1]
Japan Organic Farming Society, Organic Farming Handbook, published on January 10, 1999, page 26 [0006]
[Problems to be solved by the invention]
Recently, along with the promotion of national land greening, it has become necessary to eliminate the root weeds such as plants and street trees planted in road median strips and parks. The use of mulching material that can also suppress germination of flying seeds has attracted attention. On the other hand, the processing of livestock manure, the processing of thinned wood in the forestry field, the processing of building woodworking materials, the processing of wood chips and sawdust, etc. discharged from construction sites have become social problems in order to prevent pollution. To solve these problems simultaneously, instead of the litter of barn, or laying it to make effective use of manure effluents in using sawdust with straw, which weed suppression of weed-preventing effect mulching Considering the effective use as a material, eventually becoming a fertilizer for plants and also becoming a soil improvement material, we examined it.
[0007]
Moreover, the conventional mulching material cannot be expected to have a sufficient effect unless a large amount of mulching material is laid in a considerable thickness to suppress the growth of weeds from seeds and strains on the ground surface. Large-scale use may increase costs and cause root rot of plants, and may cause harmful effects such as scattering of excess mulching material and surroundings.
[0008]
[Means for Solving the Problems]
The present invention has developed a novel mulching material that solves the disadvantages of the mulching material as described above and effectively uses livestock manure and sawdust that are difficult to treat. A vegetation soil mulching material made of a mixture of That is, the vegetation soil weed suppression mulching material composition of the present invention comprises a mixture of livestock manure compost and soil, and vegetation soil mulch comprises a mixture of livestock manure compost 30 to 70% capacity and soil 70 to 30% capacity. The animal manure compost is cattle manure compost, the cattle manure compost is an immature compost of an unfermented processed product composed of a mixture of wood chips and cattle manure excrement such as beef litter or sawdust, wood chips, The soil is masa soil with few soil microorganisms.
[0009]
The mixing ratio of livestock manure compost and soil is a volume ratio of 30 to 70% capacity of livestock manure compost and 70 to 30% capacity of soil, and a more preferable range is 40 to 60% capacity of livestock manure compost. And the range of soil 60 to 40% capacity. If the livestock manure compost is less than 30% capacity, there is too much soil and the effect of preventing the reproduction of weeds will be insufficient, and conversely, if the mixture exceeds 60% capacity, the plant will lose so-called fertilizer due to water absorption inhibition. This is not preferable because the growth is stagnant. Of course, a mixture with a good balance is preferred, although it depends on the type of animal manure compost and soil, the mixture is nearly equal in volume. When the mixing ratio is well balanced, not only the growth of weeds from seeds originally on the ground surface but also the effect of suppressing germination of weed seeds flying from the outside can be obtained.
[0010]
As the livestock compost used here, normal ones such as cow manure compost, pig manure compost, and chicken manure compost can be used, but cow manure compost is particularly preferable. Cow manure compost is a barn litter or litter, especially wood chips or sawdust, or a mixture of these, and fermented with wood chips or sawdust containing a large amount of raw cow manure discharged from the barn, and at least half Set to fermentation state. Usually, the vegetation soil weed-suppressing mulching material is a fermented processed product of excrement made of a mixture of cattle manure such as wood chips and sawdust, which is obtained by performing sedimentation turnover a plurality of times for 30 hours or more. In the case of pig manure and chicken manure, wood chips and sawdust are newly added and mixed to make a composition close to the above cow manure compost and fermented. If there is too much content of pig manure and chicken manure, the fertilizer component of the final product becomes excessive, causing burnt of fertilizer and insufficient effect of preventing weed reproduction.
[0011]
Soil mixed with fermented cow dung can be used as various soils such as volcanic sand such as shirasu, diatomaceous earth, silica sand, etc. In order to make product quality constant, so-called granite called “masa soil” is used. Of weathered earth and sand is preferred. Masa soil is a preferred material for blending in that it can be supplied in a relatively large amount, has less organic matter, and has fewer soil microorganisms.
[0012]
The fertilizer added to the mulching material promotes plant growth in addition to the mulching effect, and is used as necessary. Since the fertilizer component is supplied from cow dung, it is not necessary to add it in particular, but if it is added, it is an organic fertilizer component other than cow dung, such as rice bran, oil cake, bran, chicken dung, etc., or inorganic chemical fertilizer. By using such a fertilizer in combination, the balance of fertilizer components such as nitrogen, phosphorus, potash and the like is improved, and plant growth can be improved without being influenced by the mulching effect that basically suppresses weed growth .
[0013]
The application amount of the weed-suppressing mulching material of the present invention depends on environmental conditions such as season, plant type, and the degree of flying weed species, but is usually 0.5 to 15 kg / in the ground surface around the root of the plant. m 2, preferably, 1 to 10 kg / m 2, more preferably, may coat the soil surface exposed at a density of 2 to 10 kg / m 2. If the surface density of the coating layer of the mulching material is less than 0.5 kg / m 2 , the mulching layer is too thin to wither the weed shoots on the soil surface or to prevent germination of the seeds of flying weeds, 15 kg If it exceeds / m 2 , the mulching effect is sufficient, but it is not preferable because it takes too much cost and labor, loses fertilizer to the plant, deteriorates air permeability, etc., and causes adverse effects on vegetation.
[0014]
As described above, the soil surface is covered with the mulching material, and the weed suppression mulching material according to the present invention has the effect of suppressing the growth of weeds from the seeds on the ground surface in addition to the effect of maintaining the soil temperature and preventing moisture transpiration. . In addition, germination of seeds of weeds flying on the surface of the mulching material after mulching application is also suppressed.
[0015]
The mechanism for suppressing the growth of small germinated weeds on the surface of the mulched soil and the germination of seeds of flying weeds is still unclear by the weed suppression mulching material of the vegetative soil of the present invention, However, it is clear that the germination of small weeds on the soil surface under the mulching material will turn yellow and die and will not germinate from weed and vegetable seeds artificially sprayed on the surface of the accumulated mulching material. It has been confirmed. From this, weed prevention action is estimated as follows. That is, since many sawdust and wood chips are still unfermented in livestock manure compost, it is considered that tannin and lignin components contained in these bark powders prevent weed germination and overgrowth.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the weed-suppressing mulching material for vegetation soil composed of a mixture of immature cow manure compost and soil according to the present invention will be described. FIG. 1 is a manufacturing flowchart thereof. As can be seen from Fig. 1, the waste from the barn is a waste that is regularly cleaned by mixing the manure excreted by the breeding cattle with the straw, sawdust, wood chips, etc. on the floor of the cattle farm. It is. Usually, a method of depositing and waiting for natural fermentation is also employed, but a fermenter is used for efficient treatment. In order to speed up the fermentation, the moisture is adjusted. In order to obtain a weed-suppressing mulching material, sawdust, wood chips and the like are used as the moisture adjusting material. The fermenter has a stirring blade for stirring back and always maintains optimum fermentation conditions. In some cases, fermenting bacteria may be added. Depending on the shape of the fermentation layer, turning back with a working machine such as a power shovel is effective instead of the stirring blade.
[0017]
The reason for using sawdust, wood chips, etc. as the flooring material and moisture control material in the breeding ground is that they contain a lot of bark and the tannin and lignin components prevent the weeds from growing. Therefore, it is not necessary to fermentate and ripen completely like organic fertilizers, and when used as a weed-suppressing mulching material, immature compost may be preferable to fully matured compost.
[0018]
Livestock manure compost with high tannin and lignin content can be used as a weed-controlling mulching material itself, but when mixed with soil, handling at the time of spraying is improved. Sometimes a soil improvement effect can be expected. As the soil, a mass soil containing an inorganic component effective for vegetation and having few soil microorganisms is preferable, and the soil is used at a volume ratio of about 1: 1. Furthermore, as necessary, about 2% of chemical fertilizer is added and mixed as a fertilizer component to obtain a mulching material.
[0019]
【Example】
Hereinafter, the configuration of the weed-suppressing mulching material of vegetation soil according to the present invention will be described with reference to specific examples.
[0020]
Example 1
The case where cow dung is used as livestock dung is described. In one section 5 horses worth of floor about 20m 2 of about 100 head of breeding field Wagyu laid about 2m 3 sawdust, because the manure that excretion of breeding cattle to come to contaminated mixed, about every about 1 week 0. 4 m 3 sawdust was added 4 times over a total of about 2 m 3 and a total of about 5 m 3 deposited after 1 month was discharged. About 100 m 3 of excreta from a breeding ground having such a size of 20 sections was treated. Table 1 shows the general composition of the compost material.
[0021]
[Table 1]
[0022]
About 100 m 3 of excrement from the barn was deposited in a fermentation tank having a width of 4 m, a length of 15 m, and a depth of 2 m, and compressed air was ejected from the floor surface to effect aerobic fermentation. While the temperature rose to 80 ° C. and started to fall, it was transferred to the next fermentation tank every 10 to 20 days. This was moved 12 times to obtain cow manure compost having a maturity of 60 to 70%.
[0023]
A germination test was conducted with a mixture of 220 kg (about 0.6 m 3 ) of the obtained cow manure compost and 1 m 3 (about 1800 kg) of masa soil under a particle size of 12 mm, using seeds of vegetable radish instead of weed seeds. Here, the mixing ratio of cow manure compost and masa soil was changed at the same time. Each application rate is 10 L / m 2 = about 1 cm thickness. Table 2 shows the germination results after 15 days of sowing after irrigation once daily in a temperature range of about 25 to 17 ° C.
[0024]
[Table 2]
[0025]
From the result of Table 2, the weed suppression mulching material of the vegetation soil of this invention is favorable in the range of the mixing ratio of cow manure compost and soil in the range of 30 to 70% capacity of cow manure compost and 70 to 30% capacity of soil. It turns out that the germination inhibitory effect is acquired. In other words, it can be seen that suppressed the germination of about 1 / 3-1 / 5 of the bare ground.
[0026]
Example 2
Pig dung discharged from the piggery is a rich manure excrement mixed with about 30% bedding. An approximately equal volume of sawdust was added to and mixed with about 1000 m 3 of this, charged into a fermented koji, and made into a pig manure compost having a maturity of about 75% in the same manner as cow manure compost. This was subjected to a germination test of 20 days radish under the same conditions as in Example 1. The results are shown in Table 3.
[0027]
[Table 3]
[0028]
As is apparent from the results in Table 3, it can be seen that the weed suppression mulching material of the vegetation soil of the present invention can provide a good germination suppression effect even if it does not reach cow manure compost. That is, it can be seen that germination was suppressed to about 1/2 to 1/3 of bare ground.
[0029]
【The invention's effect】
As described above, the mixture of livestock manure compost and soil according to the present invention, and by adjusting the mixing ratio thereof, weed suppression of vegetation soil can be obtained not only to promote plant growth but also to provide excellent weed growth prevention effects. It becomes a mulching material. In addition, it contributed to the effective treatment of cattle manure and other animal manure and plant waste, especially wood chips and sawdust, which contributed to the reduction of weeding labor and costs, and also to the prevention of pollution. It is.
[0030]
When the plant is after the annual harvest, or when the plant is removed by transplanting or other methods and becomes bare land, if the weed control mulching material of the present invention is placed in the soil, the soil organic matter will increase. Expected to improve soil quality by soil.
[Brief description of the drawings]
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a manufacturing flow chart of a vegetation weed suppression mulching material according to the present invention.
Claims (1)
家畜糞堆肥が牛糞堆肥であり、該牛糞堆肥が牛舎の敷き藁又は敷きオガクズ、木チップ等の木屑と牛糞尿排泄物の混合物からなる未発酵処理物の未熟堆肥であり、
土壌が土壌微生物の少ないまさ土である植生土壌の雑草抑制マルチング材。 Ri Do from a mixture of livestock manure compost and soil, and 30% to 70% volume livestock manure compost, a mulch vegetation soil consisting of a mixture of 70-30% volume soil,
The livestock manure compost is cattle manure compost, and the cattle manure compost is immature compost of an unfermented processed product consisting of a mixture of wood chips and cattle manure excrement such as beef barn or sawdust, wood chips,
Weed control mulch of less Masa Dodea Ru vegetation soil soil of soil microorganisms.
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JP5921824B2 (en) * | 2011-06-17 | 2016-05-24 | 株式会社東商 | Soil surface drying prevention material |
CN105532297A (en) * | 2015-12-16 | 2016-05-04 | 江苏盖亚环境工程有限公司 | Soil improvement agent suitable for bombax tree growth, and preparation method thereof |
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