JP5819472B2 - Plant culture medium material and plant cultivation method using the same - Google Patents
Plant culture medium material and plant cultivation method using the same Download PDFInfo
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本発明は、竹の繊維を主材料とする植栽用培地材およびそれを用いた植物栽培方法に関する。 The present invention relates to a plant culture medium material mainly composed of bamboo fiber and a plant cultivation method using the same.
近年の筍堀り従事者の老齢化と人手不足、筍農家の廃業等にともなって、食用筍の採掘をしないまま放置され、またその後生長した若竹の伐採をしないまま親竹になるまで放置されている管理不十分な竹林が目立つようになってきた。竹林の管理が不十分であると、竹の侵攻が進んで土地の保水力が低下し、また、隣接する杉、ヒノキなどの他木への被害が起こり、きれいな山が喪失してしまうという、自然環境面からゆるがせにできない問題がある。 With the recent aging and labor shortage of dredging workers and the outage of dredging farmers, they are left without digging edible firewood, and then left until they become parent bamboo without cutting down the grown bamboo. Bamboo forests that are under-managed are becoming more prominent. Inadequate management of bamboo forests will lead to invasion of bamboo, reducing the water retention capacity of the land, and damage to other trees such as adjacent cedars and cypresses, resulting in the loss of beautiful mountains. There is a problem that cannot be relaxed in terms of the natural environment.
このような問題を解決するために、特許文献1においては、筍の水煮を製造する食品加工工場の廃棄物である筍皮や若竹のうち、筍皮は発熱発酵性が大きいこと、筍皮や若竹には、1日に1mも伸びると言われている竹の驚異的な生長を支えるジベレリンをはじめ、カイネチン、チロシンといった生長促進物質が含まれていることに注目し、筍皮や若竹を主原料として堆肥化すれば、廃棄物対策と併せて植物の生育に効果的な発酵肥料となり得る、という知見に基づいて、筍皮と若竹のいずれか一方または両方を主とした堆肥原料に、有用微生物の少なくとも1種を混合して発酵肥料を製造する方法が提案されている。 In order to solve such a problem, in Patent Document 1, among husks and young bamboos, which are wastes of food processing factories that produce boiled cucumbers, husks have a high exothermic fermentability. Pay attention to the fact that yaw bamboo contains growth-promoting substances such as gibberellin that supports the tremendous growth of bamboo, which is said to grow 1 meter a day, and kinetin and tyrosine. Based on the knowledge that if fertilized as a main raw material, it can be an effective fertilizer for plant growth in combination with waste countermeasures, compost raw materials mainly composed of either husk or wakatake or both, A method for producing a fertilizer by mixing at least one useful microorganism has been proposed.
一方、筍皮と若竹は、発酵させると70〜80℃の発酵熱により生長促進物質、例えば糖質、ミネラル、アミノ酸類という有効成分が一部分解されることがあるので、発酵させずに粉砕して使用することが好ましい。この未発酵の筍皮と若竹を肥料として用いるために地面に施肥すると、若竹材料中の前記のような生長促進物質が植物に有効に作用し、堆肥中の肥料成分と共に、植物の生育を促進させることになる。 On the other hand, since husk and young bamboo are fermented, the active ingredients such as sugars, minerals, and amino acids may be partially decomposed by fermentation heat at 70 to 80 ° C. Are preferably used. When fertilized on the ground to use this unfermented husk and young bamboo as fertilizer, the above growth promoting substances in the young bamboo material effectively act on the plant and promote the growth of the plant along with the fertilizer components in the compost I will let you.
ここで、「若竹」とは親竹となる以前の成長過程の竹を指し、食用筍として掘らずにおいたため成長して食用にはならなくなったもので、およそ竹の枝が出る前迄のものである。わが国で最も多い孟宗竹でいえば、生育場所によって差異があるが、通常高さ1〜4m程度(地表から出て約1週間から1ヶ月)迄のものをいう。親竹とはそれ以上成長したもので、通常1年以上経過した竹質が硬くなった竹である。およそ1年生までの竹は親竹としての機能はなく、また竹質が柔らかいので若竹に分類しても良く、およそ2年生以上の竹質が硬い親竹と区別して、特に新竹という名称で呼ぶこともある。このように分類法は定まったものではなく、竹の性状から呼ぶことが多い。 Here, “Wakatake” refers to the bamboo in the growth process before it became the parent bamboo, and it was not edible because it was not dug as an edible mushroom. It is. Speaking of the most common sect of bamboo in Japan, it is different depending on where it grows, but it usually has a height of about 1 to 4 meters (about 1 week to 1 month from the surface). A parent bamboo is a bamboo that has grown further and usually has become harder after 1 year. Bamboo up to about 1st year does not function as a parent bamboo, and the bamboo quality is soft, so it may be classified as a young bamboo. Sometimes. In this way, the classification method is not fixed, and is often called from the properties of bamboo.
ところで、果樹、野菜、植物を栽培する方法として溶液栽培がある。これは、培地に土を使用せず、植物の生長に必要な養分を、水に肥料等を溶かした養液によって与える栽培方法である。この栽培方法を採り入れれば、土のないところでも栽培が可能となる。また、土耕の問題であった土壌病害、塩類集積、連作障害、雑草、害虫といった障害が解消され、管理が容易になるというメリットが挙げられる。 By the way, there is solution cultivation as a method for cultivating fruit trees, vegetables and plants. This is a cultivation method in which soil is not used in the medium, and nutrients necessary for plant growth are provided by a nutrient solution in which fertilizers are dissolved in water. If this cultivation method is adopted, cultivation is possible even in the absence of soil. In addition, it is possible to eliminate the problems such as soil diseases, salt accumulation, continuous cropping problems, weeds, and pests, which were the problems of soil cultivation, and to facilitate management.
溶液栽培にも、培地を用いない水耕、噴霧耕、固形培地耕があるが、そのうち固形培地耕では、従来、固形培地としてヤシガラ、水苔(ピートモス)、ロックウール、バーク(樹皮)が用いられてきた(例えば、非特許文献1参照)。 Solution cultivation also includes hydroponics, spray plowing, and solid medium plowing that do not use a medium. Among them, coconut husk, moss (peat moss), rock wool, and bark (bark) have been used as solid mediums. (For example, refer nonpatent literature 1).
しかしながら、これらの固形培地は、天然の素材であり、産地の多くは外国である。これらを大量に採取して輸入すると、産地の環境破壊を起こすだけでなく、外来種の植物や病害虫、病原菌が国内に侵入する可能性が高くなる。
また、近年、環境問題が大きく取り上げられるようになり、植栽用培地材使用後の処理が社会問題となっている。家庭においてもガーデニングを進める場合、プランター用培土その他の培地材は殆どがリサイクル不可能な素材が多く、ベランダ菜園、屋上緑化などエコロジー事業における足かせとなっている。
However, these solid media are natural materials, and many of the production areas are foreign countries. Collecting and importing a large amount of these will not only cause environmental destruction in the production area, but also increase the possibility that foreign species of plants, pests, and pathogens will enter the country.
In recent years, environmental problems have been greatly taken up, and the treatment after using the plant culture medium has become a social problem. When promoting gardening at home, planter soil and other medium materials are mostly non-recyclable materials, which are a drag on the ecology business such as veranda gardens and rooftop greening.
そこで本発明は、わが国に豊富に自生していて、逆に昔ほど利用されなくなった竹の有効利用と、竹の持つ生命力の源である成分を活用することにより、従来の土耕の培地のデメリットを解消し、またリサイクル可能な培地材として環境問題の改善に寄与することのできる植栽用培地材およびそれを用いた植物栽培方法を提供することを目的とする。 Therefore, the present invention is abundant in Japan, and on the contrary, by utilizing the effective use of bamboo, which is no longer used as in the past, and the components that are the source of vitality of bamboo, An object of the present invention is to provide a planting medium material that can eliminate disadvantages and contribute to the improvement of environmental problems as a recyclable medium material and a plant cultivation method using the same.
前記課題を解決するため、本発明の第1の構成は、竹材をその繊維の方向に沿って削ることにより製造された発酵させてない竹繊維からなる植栽用培地材である。
本願発明者は、竹の有効利用について研究を重ねてきたが、竹林から伐採した竹をその繊維の方向に沿って削って集成した綿状のものが、竹を繊維の方向に対して直角方向に切断した竹チップに対して通気性が良好であることを見いだした。竹チップの場合は、互いに重なって集成されるとチップ間が密着し、風通しが悪くなるのである。保水性については、竹繊維も竹チップもいずれも良好である。
In order to solve the above-mentioned problems, a first configuration of the present invention is a planting medium material made of non-fermented bamboo fibers manufactured by cutting bamboo materials along the direction of the fibers.
The inventor of the present application has conducted research on the effective use of bamboo, but the cotton-like thing collected by cutting the bamboo harvested from the bamboo forest along the direction of the fiber is perpendicular to the direction of the fiber. It was found that the bamboo chips cut into pieces have good air permeability. In the case of bamboo chips, if they overlap each other, the chips will be in close contact with each other, and the ventilation will be poor. As for water retention, both bamboo fiber and bamboo chips are good.
培地に要求される要件として、前掲の非特許文献1には次の事項を挙げている。(1)材料が均一で、長期にわたり変化がなく安定している。(2)入手が容易で安価。(3)水の拡散が良好で、水分管理しやすい。(4)養分吸着がなく、養分管理がしやすい。(5)塩類、毒物、重金属など阻害物質が含まれない。(6)雑草の種子、病原菌が含まれない。(7)使用後の処理が安全で簡単にできる。竹繊維は、このような要件を全て満たしていると言える。さらに、竹繊維自体に含まれる生長促進物質による生長促進効果も期待することができる。また、竹繊維は土に比べて軽量であるため培地運搬時の負担が軽く、培地を支える栽培用土台等の構造物の強度を土の場合よりも低減することができる。 As requirements required for the culture medium, Non-Patent Document 1 described above lists the following matters. (1) The material is uniform and stable with no change over a long period of time. (2) Easy to obtain and inexpensive. (3) Water diffusion is good and moisture management is easy. (4) No nutrient adsorption and easy to manage nutrients. (5) Does not contain inhibitors such as salts, poisons and heavy metals. (6) Does not contain weed seeds or pathogens. (7) Processing after use is safe and easy. Bamboo fiber meets all these requirements. Furthermore, the growth promotion effect by the growth promotion substance contained in bamboo fiber itself can also be expected. In addition, since bamboo fiber is lighter than soil, the burden of transporting the culture medium is light, and the strength of structures such as a cultivation base that supports the culture medium can be reduced compared to soil.
また、本発明の第1の構成は、前記竹繊維の50質量%以上が、長さは1mm〜15mm、太さは0.1mm〜1mmであることとしたものである。竹繊維は、竹材を回転刃物で繊維の方向に沿って削って製造するが、使用時に飛散しないように所定の長さ、太さを有していることが好ましい。長さが1mm〜15mmであり、太さが0.1mm〜1mmであると、各繊維が絡み合い、一つの塊となって、粉のように飛散しにくくなる。15mmを超える長さ、1mmを超える太さになると、繊維が絡みにくく、綿状になりにくくなる。
本発明の第2の構成は、第1の構成の植栽用培地材における電気伝導率が0.54mS/cmであることを規定するものである。
The first configuration of the present invention is that 50% by mass or more of the bamboo fiber has a length of 1 mm to 15 mm and a thickness of 0.1 mm to 1 mm. Bamboo fiber is manufactured by cutting bamboo material along the direction of the fiber with a rotary blade, but preferably has a predetermined length and thickness so as not to scatter during use. When the length is 1 mm to 15 mm and the thickness is 0.1 mm to 1 mm, the fibers are entangled to form one lump, which makes it difficult to scatter like powder. When the length exceeds 15 mm and the thickness exceeds 1 mm, the fibers are less likely to be entangled and less likely to become cottony.
The 2nd structure of this invention prescribes | regulates that the electrical conductivity in the culture medium material of a 1st structure is 0.54 mS / cm.
本発明の第3の構成は、前記の植栽用培地材を主体とした培地を植栽容器に敷き、水または必要な養分を含む肥料を供給して植物を栽培することを特徴とする栽培方法である。植栽容器としては、園芸や菜園用のプランター、養液栽培用の槽、屋上緑化用の植栽用床などがある。このように、従来の土、水苔、ヤシガラ、ロックウール、バーク等の他の培地の代わりに竹繊維を主とする培地を用いることにより、植物の生長を促進するとともに、竹資源の有効利用を図ることができる。 A third configuration of the present invention is characterized by cultivating a plant by laying a medium mainly composed of the above-mentioned medium for planting in a planting container and supplying water or a fertilizer containing necessary nutrients. Is the method. Planting containers include planters for gardening and vegetable gardens, tanks for hydroponics, and planting floors for rooftop greening. Thus, by using a medium mainly composed of bamboo fiber instead of other medium such as conventional soil, moss, coconut husk, rock wool, bark, etc., it promotes plant growth and effectively uses bamboo resources. Can be achieved.
本発明の第4の構成は、前記の栽培法における植栽用培地材のほかに、若竹または筍の皮を粉砕したものを乾燥質量で5%以上混合して培地とすることを特徴とする。この第4の構成では、若竹、筍の皮に多く含まれる生長促進物質を利用して植物のさらなる生長を促進することができる。 The fourth configuration of the present invention is characterized in that, in addition to the planting medium material in the cultivation method described above, a mixture obtained by pulverizing young bamboo or bamboo shoots is mixed with 5% or more by dry mass to form a medium. . In this 4th structure, the further growth of a plant can be promoted using the growth promotion substance contained abundantly in a young bamboo and a bamboo shoot.
本発明の第5の構成は、第4の構成に、さらに、竹堆肥、ヤシガラ、バーク、砂礫、セラミック材の中から選ばれた1つまたは2つ以上を総量で5質量%〜70質量%混合して培地とすることを特徴とする。この第5の構成では、培地全部を竹繊維とする必要はなく、30%以上を含めばいい。その他は、従来の培地材であるヤシガラ、バーク、砂礫、セラミック材のほかに、竹の有効成分を利用した堆肥(竹堆肥)に多く含まれる生長促進物質を利用することもできる。 According to a fifth configuration of the present invention, in addition to the fourth configuration, the total amount of one or more selected from bamboo compost, coconut husk, bark, gravel, and ceramic material is 5% by mass to 70% by mass. It is characterized by mixing into a medium. In the fifth configuration, it is not necessary to use bamboo fiber as the whole medium, and it is sufficient to include 30% or more. In addition to the conventional medium materials such as coconut husk, bark, gravel, and ceramic materials, it is also possible to use a growth promoting substance contained in a large amount of compost using bamboo active ingredients (bamboo compost).
本発明によれば、次の効果を奏する。
1.資源が国内に豊かにあり、また方々に自生しているので入手が容易である。
2.海外品は、ヤシガラにしても水苔にしても大量に採取することにより環境に大きな影響を与える。また、外来種の植物や病害虫、病原菌が国内に浸入する可能性が高い。これに対し、竹は放置竹林として各地に存在するものを利用でき、これにより筍の採取を初め、竹林の手入れなどの管理が行え、一石二鳥となる。また国内産であるので、外来種の植物や病害虫、病原菌が国内に侵入することを防止できる。
3.培地として通気性、保水性の両方を有しており、植物の根腐れや病害虫の侵食を防ぐことができる。
4.養分の吸着が少ないので養分管理がし易い。
5.素材が有機物であるので、土と異なり、使用後にゴミとして廃棄でき、あるいは肥料としてリサイクルできる。そのため、環境問題の改善に寄与することができる。
6.肥料をやったり手入れをするなどの手が掛からずに自然に生長した竹であるので、安全な素材である。塩基類、有機金属等の毒性がなく、消毒も必要がない。
7.土に比べて1/5程度の比重であり軽量であるので、運搬が楽であり、さらに培地を支える栽培用土台等の構造物の強度を土の場合よりも低減することができる。
The present invention has the following effects.
1. The resources are abundant in Japan and are easy to obtain because they are native to people.
2. Overseas products have a great impact on the environment by collecting a large amount of coconut shells or moss. In addition, foreign species of plants, pests, and pathogens are likely to enter the country. On the other hand, bamboo can be used as an abandoned bamboo forest in various places, so that it can be used to manage bamboo forests, such as collecting bamboo shoots, and becomes two birds with one stone. Moreover, since it is domestically produced, it can prevent foreign species of plants, pests and pathogens from entering the country.
3. The medium has both air permeability and water retention, and can prevent plant root rot and pest erosion.
4). Nutrient management is easy because there is little adsorption of nutrients.
5. Since the material is organic, unlike soil, it can be discarded as waste after use or recycled as fertilizer. Therefore, it can contribute to the improvement of environmental problems.
6). It is a safe material because it is a bamboo that grows naturally without the need for fertilizer or care. There is no toxicity of bases, organic metals, etc., and there is no need for disinfection.
7). Since it has a specific gravity of about 1/5 as compared with soil and is light, it is easy to transport, and the strength of a structure such as a cultivation base that supports the culture medium can be reduced as compared with soil.
以下、本発明の実施の形態を説明する。
2年生の親竹を専用機械に掛けて繊維方向に削り、長さ1〜15mm、太さ1mm未満の竹繊維を製造した。この機械により製造された竹繊維を集成し、800gを内側面積が30cm×70cmのプランターに15cm厚みで土の代わりに敷き詰めて家庭菜園用として使用した。肥料や水は、通常の土を用いた場合と同様に定期的に与える。
Embodiments of the present invention will be described below.
A 2-year-old parent bamboo was hung on a dedicated machine and cut in the fiber direction to produce bamboo fibers having a length of 1 to 15 mm and a thickness of less than 1 mm. Bamboo fibers produced by this machine were assembled, and 800 g was spread on a planter having an inner area of 30 cm × 70 cm in a thickness of 15 cm instead of soil and used for a kitchen garden. Fertilizer and water are given regularly as in the case of normal soil.
本願発明者が以前に発明した竹堆肥A〜Cと、発酵させていない本発明の竹繊維についての成分分析結果を表1に示す。 Table 1 shows the component analysis results for bamboo composts A to C previously invented by the present inventor and the bamboo fiber of the present invention that has not been fermented.
参考に、家畜ふん堆肥(表2)とバーク堆肥(表3)の基準項目を示す。 For reference, reference items for livestock manure compost (Table 2) and bark compost (Table 3) are shown.
以上の表1〜表3において、堆肥の品質を表示する基準として「EC(電気伝導率)」という項目がある。ECの高い堆肥は根傷みの原因になるので、注意すべきであるとされている。JA中央会の推奨品質基準では、5mS(ミリシーメンス)/cm以下とされている(藤原俊六郎著「堆肥のつくり方・使い方 原理から実際まで」農山漁村文化協会出版、2003年3月、p40-43)。家畜ふん堆肥の場合は5mS/cm以下であるが、発酵させていない竹繊維についてECを測定したところ、0.54mS/cmという分析結果が得られたので、これを培地として使用しても、品質基準を十分満たすことが証明された。 In the above Tables 1 to 3, there is an item of “EC (electric conductivity)” as a reference for displaying the quality of compost. It is said that compost with high EC should be careful because it causes root bruising. According to the recommended quality standards of the JA Central Association, it is 5 mS (milli-Siemens) / cm or less (From Shunroro Fujiwara, “How to make and use compost, from principles to practice” published by the Rural and Mountain Fishing Village Society, March 2003, p40 -43). In the case of livestock manure compost, it is 5 mS / cm or less, but when EC was measured for unfermented bamboo fiber, an analysis result of 0.54 mS / cm was obtained. Proven to meet quality standards.
表1〜表3の考察結果は次の通りである。
(1)水分
13.5〜36.6%であり、さらさらの状態で取り扱いもよく、また、今以上の自然発酵は抑制されるため、保存性は良い。
(2)全リン酸(P2O5)
0.056〜0.857%の全リン酸量を含み、竹堆肥A、Bはバーク堆肥の品質基準05%以上を満足した。特に竹繊維は生竹を粉砕したものであるため、含有量が少ない。
(3)全カリ(K2O)
0.393〜1.96%の全カリを含んでおり、バーク堆肥の品質基準は満足した。竹繊維では0.3%以上含有している。
The consideration results in Tables 1 to 3 are as follows.
(1) Moisture is 13.5 to 36.6%, it is easy to handle in a smooth state, and further natural fermentation is suppressed.
(2) Total phosphoric acid (P 2 O 5 )
Bamboo compost A and B contained 0.056 to 0.857% of total phosphoric acid, and the bark compost quality standard of 05% or more was satisfied. In particular, bamboo fiber is obtained by pulverizing raw bamboo, so the content is small.
(3) All potash (K 2 O)
It contained 0.393 to 1.96% total potash and satisfied the bark compost quality standards. Bamboo fiber contains 0.3% or more.
(4)水素イオン濃度(pH)
7.2〜8.7であり、発酵が進むとpHは高くなる傾向にある。バーク堆肥の品質基準では5.5〜7.5としているが、一般的には中性から弱アルカリ性が良いと言われている。
(5)電気伝導率(EC)
0.54〜1.6mS/cmであり、家畜ふん堆肥推奨基準5mS/cm以下を満足している。電気伝導率は、栄養塩類が多いほど大きくなる傾向にあり、値が高くなると植物の生育に害を与える場合がある。
(4) Hydrogen ion concentration (pH)
It is 7.2 to 8.7, and the pH tends to increase as fermentation progresses. Although it is set to 5.5 to 7.5 according to the bark compost quality standard, it is generally said to be neutral to weakly alkaline.
(5) Electrical conductivity (EC)
It is 0.54-1.6 mS / cm, and satisfies the livestock manure compost recommended standard of 5 mS / cm or less. The electrical conductivity tends to increase as the amount of nutrients increases, and when the value increases, the growth of the plant may be damaged.
(6)窒素全量
0.21〜1.54%の窒素量を含んでいる。竹堆肥A、Cはバーク堆肥の品質基準1.2%以上を満足した。
(7)炭素−窒素比(C/N比)
28.6〜220であり、竹堆肥A、Cはバーク堆肥の品質基準35以下を満足した。炭素‐窒素比は堆肥の施肥後、土壌中の窒素量の減少を予測するものであり、数値が高いと植物根がダメージを受ける。一般的には20以下が好ましいと言われている。
(6) Total amount of nitrogen The amount of nitrogen is 0.21 to 1.54%. Bamboo compost A and C satisfied the bark compost quality standard of 1.2% or more.
(7) Carbon-nitrogen ratio (C / N ratio)
It was 28.6-220, and bamboo compost A and C satisfied the quality standard 35 or less of bark compost. The carbon-nitrogen ratio predicts a decrease in the amount of nitrogen in the soil after fertilization, and plant roots are damaged when the value is high. Generally, it is said that 20 or less is preferable.
以上の考察から、本発明の竹繊維は、堆肥としての要件については不足するところがあるが、培地としては十分であり、不足する全リン酸、全カリ、全窒素を肥料として与えることにより要件を満たすものとなる。 From the above considerations, the bamboo fiber of the present invention has a shortage of requirements as compost, but it is sufficient as a medium, and the requirements can be met by giving the lack of total phosphoric acid, total potash, and total nitrogen as fertilizers. It will satisfy.
次に、発芽インデックスの試験を行った。これはコマツナの種を、竹堆肥A〜Cを与えた培地と本発明の竹繊維の培地に植えて、6日後の長さを測定したものである。その結果を表4に示す。 Next, the germination index was tested. In this, Komatsuna seeds were planted in a medium provided with bamboo compost A to C and a bamboo fiber medium of the present invention, and the length after 6 days was measured. The results are shown in Table 4.
(1)竹堆肥A
発芽インデックスによる試験では、コマツナ種子の発芽と初期の生育に障害が見られず茎の生育も良かったので完熟堆肥と評価されたた。分析対象とした成分「窒素全量」「リン酸全量」「カリ全量」「炭素一窒素比」はパーク堆肥の品質基準を満足しており、良質な堆肥として使用できると考えられる。
(1) Bamboo compost A
In the test using the germination index, no damage was observed in the germination and initial growth of Komatsuna seeds, and the growth of the stems was good, so it was evaluated as fully matured compost. The components “total amount of nitrogen”, “total amount of phosphoric acid”, “total amount of potash”, and “carbon-nitrogen ratio” that are the objects of analysis satisfy the quality standards of park compost and can be used as high-quality compost.
(2)竹堆肥B
発芽インデックスによる試験では、コマツナ種子の発芽と初期の生育に障害が見られず茎の生育も良かったので完熟堆肥と評価された。ただし、全窒素量が低く炭素一窒素比(C側比)が約50と高いため、植物の生育過程で窒素飢餓の症状を起こす可能性がある。
(2) Bamboo compost B
In the test using the germination index, no damage was observed in the germination and initial growth of Komatsuna seeds, and the growth of the stem was good, so it was evaluated as fully matured compost. However, since the total nitrogen amount is low and the carbon-to-nitrogen ratio (C-side ratio) is as high as about 50, there is a possibility of causing nitrogen starvation during the plant growth process.
(3)竹堆肥C
発芽インデックスによる試験では、コマツナ種子の発芽と初期の生育に障害が見られず茎の生育も良かったので完熟堆肥と評価された。全窒素量は若干低いものの良質な堆肥として使用できると考えられる。
(3) Bamboo compost C
In the test using the germination index, no damage was observed in the germination and initial growth of Komatsuna seeds, and the growth of the stem was good, so it was evaluated as fully matured compost. Although the total nitrogen content is slightly low, it can be used as high-quality compost.
(4)竹繊維
発芽インデックスによる試験では、コマツナ種子の発芽と初期の生育に障害が見られず茎の生育も良好であった。これにより、植栽用の培地材としては十分に条件を満たすことができる。なお、他の培地材同様、植物の栄養素として不足があるときは、その不足する成分を含む堆肥その他の肥料を与えることにより解決することができる。
(4) Bamboo fiber In the test with the germination index, no damage was observed in the germination and initial growth of Komatsuna seeds, and the growth of the stem was also good. Thereby, it can fully satisfy | fill conditions as a culture medium material for planting. In addition, like other medium materials, when there is a deficiency as a plant nutrient, it can be solved by giving compost or other fertilizers containing the deficient component.
本発明は、わが国に豊富に自生していて、逆に昔ほど利用されなくなった竹の有効利用と、竹の持つ生命力の源である成分を活用することにより、従来の土耕の培地のデメリットを解消することのできる植栽用培地材およびそれを用いた植物栽培方法として、農業、園芸等の分野において好適に利用することができる。 The present invention, which is abundant in Japan, has the disadvantages of conventional soil culture media by utilizing the effective use of bamboo, which is no longer used in the past, and the components that are the source of vitality of bamboo. As a planting medium material that can eliminate the above and a plant cultivation method using the same, it can be suitably used in fields such as agriculture and horticulture.
Claims (3)
請求項1に記載の植栽用培地材。 The planting medium material according to claim 1, comprising 30% by mass or more of the bamboo fibers based on the total amount of the planting medium material.
必要な養分を含む肥料を供給して植物を栽培することを特徴とする植物栽培方法。 A plant cultivation method comprising cultivating a plant by laying a medium mainly composed of the medium for planting according to claim 1 or 2 on a planting container and supplying water or a fertilizer containing necessary nutrients.
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