JPH0224442Y2 - - Google Patents

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Publication number
JPH0224442Y2
JPH0224442Y2 JP19958185U JP19958185U JPH0224442Y2 JP H0224442 Y2 JPH0224442 Y2 JP H0224442Y2 JP 19958185 U JP19958185 U JP 19958185U JP 19958185 U JP19958185 U JP 19958185U JP H0224442 Y2 JPH0224442 Y2 JP H0224442Y2
Authority
JP
Japan
Prior art keywords
mineral fiber
polymer particles
cultivation
blocks
block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP19958185U
Other languages
Japanese (ja)
Other versions
JPS62107649U (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP19958185U priority Critical patent/JPH0224442Y2/ja
Publication of JPS62107649U publication Critical patent/JPS62107649U/ja
Application granted granted Critical
Publication of JPH0224442Y2 publication Critical patent/JPH0224442Y2/ja
Expired legal-status Critical Current

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  • Cultivation Of Plants (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)

Description

【考案の詳細な説明】[Detailed explanation of the idea]

イ 産業上の利用分野 本考案は植物ことに果菜類の栽培における播
種、育苗、仮植床として用いられる鉱物繊維ブロ
ツクに関する。 ロ 従来の技術 ロツクウール・ガラスウール等の鉱物繊維を集
積結合した多孔質の板状、立方体状のブロツク
を、水耕、土耕などの植物栽培床として利用する
ことは極めて普通に行なわれている。 この植物栽培に用いられている鉱物繊維ブロツ
クは、通常の手段により製造された鉱物繊維集積
結合マツトを、そのまゝあるいは適宜の寸法に裁
断した通常50〜120Kg/m3の嵩密度、90%以上の
空隙率を有したものであり、その通気透水性、保
形性、耐腐蝕性、無菌性などにより、取扱い容易
な栽培床が得られ、特に水耕、育苗用に広く利用
されている。 ハ 考案が解決しようとする問題点 鉱物繊維ブロツクは上記のように水耕、育苗に
好適に用いられるが、その育苗ブロツクをそのま
ま本耕土壌中または上に置いて定植栽培に移した
場合に、該ブロツク中に保有されていた水分が急
速に、土壌に吸水されて移動し、充分な潅水管理
を行なわない限り、本耕土壌に対する根の活着が
困難となる問題点があり、本耕潅水頻度をふやす
ことは実際の農作業においては困難なことであつ
た。 ニ 問題点を解決するための手段 本考案は図面の模式的断面図に示すように鉱物
繊維ブロツク1内に、高吸水性ポリマー粒子2を
分散含有せしめる簡単な手段により、従来の鉱物
繊維ブロツク栽培床の上記の問題点を解決したも
のである。 高吸水性ポリマー粒子としては、構成分子中に
水酸基、カルボキシル基など親水基を多量に導入
し、低密度に架橋して水不溶性にしたポリマーで
あつて、自重の400〜1000倍の純水を吸収してゲ
ル状となるもので、すでに多種類のものが粒子状
として市販されている。例えば、デンプン、アク
リル酸塩グラフトポリマー、カルボキシメチルセ
ルース誘導体、ポリビニルアルコール、アクリル
酸塩コポリマー、架橋ポリアクリル酸塩ポリマ
ー、変性ポリビニルアルコール、ポリアクリロニ
トリル加水分解物などが、増粘剤、乾燥防止剤、
脱水・凝固剤、土壌改良剤などの用途に供されて
いる。 これらの高吸水性ポリマー粒子は本考案に利用
可能であるが、これらは通常の肥料水溶液のよう
な電解質含有水溶液に対しては20倍程度の吸水性
を示すものである。 一方、植物栽培床は、その内部に20〜80%容量
%の空気量、15〜70容量%の水分量が常に維持さ
れることが望ましいものであり、したがつて、本
考案における高吸水性ポリマー粒子の使用量の範
囲は、肥料水溶液を吸水膨脹したさいの容積が5
〜80重量%になるような量である。 上記のポリマー粒子を鉱物繊維ブロツク内に、
分散含有せしめる手段としては、ポリマーの耐熱
性からして、鉱物繊維マツト製造時における熱処
理条件によつて劣化するので、マツト製造後に、
あるいは切断ブロツクとした後に、ポリマー粒子
を散布して、振動、ニードリング、吸引圧気流な
どにより、内部繊維間間隙に係着するよう導入分
布せしめればよい。 本考案による肥料水溶液の保持効果を次の実験
によつて確認した。 鉱物繊維ブロツク(80Kg/m3の嵩密度、50×
100×100mmの直方体、重量40g)に対し、高吸水
性アクリル系ポリマー粒子(製鉄化学工業社製、
アクアキープ10sh)を、0.5,2,4gをそれぞ
れ分散含有せしめたサンプルを作り、Ee1.0,PH
5.8の肥料水溶液中に浸漬して、100%含液せしめ
た後、耕地面に置き、その重量変化を測定したと
ころ、下表の結果が得られた。
B. Field of Industrial Application The present invention relates to a mineral fiber block used for sowing, raising seedlings, and as a temporary planting bed in the cultivation of plants, especially fruits and vegetables. B. Conventional technology It is extremely common to use porous plate-shaped or cubic blocks made of mineral fibers such as rock wool and glass wool as beds for growing plants in hydroponics, soil cultivation, etc. . The mineral fiber blocks used for this plant cultivation are made from mineral fiber integrated and bonded mats produced by conventional means, either as is or cut into appropriate dimensions, and have a bulk density of 90%, usually 50 to 120 kg/ m3 . It has the above porosity, and its air permeability, shape retention, corrosion resistance, sterility, etc. make it an easy-to-handle cultivation bed, and it is widely used especially for hydroponics and seedling raising. . C. Problems to be solved by the invention Mineral fiber blocks are suitably used for hydroponics and seedling raising as described above, but when the seedling raising blocks are placed directly in or on top of regular cultivation soil and transferred to fixed cultivation, There is a problem in that the water held in the block is rapidly absorbed and transferred to the soil, making it difficult for roots to take root in the cultivated soil unless adequate irrigation management is carried out. Increasing this amount was difficult in actual agricultural work. D. Means for Solving the Problems The present invention, as shown in the schematic cross-sectional view of the drawings, uses a simple means of dispersing and containing highly water-absorbing polymer particles 2 in the mineral fiber block 1, thereby improving the conventional mineral fiber block cultivation. This solves the above-mentioned floor problems. Super water-absorbing polymer particles are polymers that have a large amount of hydrophilic groups such as hydroxyl groups and carboxyl groups introduced into their constituent molecules and are cross-linked to a low density to make them water-insoluble. It absorbs into a gel-like form, and many types are already commercially available in particulate form. For example, starch, acrylate graft polymers, carboxymethyl cellulose derivatives, polyvinyl alcohol, acrylate copolymers, crosslinked polyacrylate polymers, modified polyvinyl alcohols, polyacrylonitrile hydrolysates, etc. are thickeners, anti-drying agents. ,
It is used for purposes such as dehydration and coagulation agents, and soil conditioners. These highly water-absorbing polymer particles can be used in the present invention, but they exhibit about 20 times the water absorption of an electrolyte-containing aqueous solution such as a normal fertilizer aqueous solution. On the other hand, it is desirable for a plant cultivation bed to always maintain an air content of 20 to 80% by volume and a moisture content of 15 to 70% by volume. The range of the amount of polymer particles used is such that the volume of the fertilizer aqueous solution after absorbing and expanding it is 5.
The amount is such that it becomes ~80% by weight. The above polymer particles are placed inside a mineral fiber block.
As a means of dispersing and containing the mineral fibers, the heat resistance of the polymer deteriorates depending on the heat treatment conditions during the production of the mineral fiber mat, so after the production of the mat,
Alternatively, after cutting the block, polymer particles may be dispersed and introduced and distributed by vibration, needling, suction pressure airflow, etc. so as to be attached to the interstices between the internal fibers. The retention effect of the fertilizer aqueous solution according to the present invention was confirmed through the following experiment. Mineral fiber block (bulk density of 80Kg/ m3 , 50×
100 x 100 mm rectangular parallelepiped, weight 40 g), super absorbent acrylic polymer particles (manufactured by Steel Chemical Industry Co., Ltd.,
Samples containing 0.5, 2, and 4g of Aqua Keep 10sh) were prepared, and Ee1.0, PH
After immersing it in a 5.8 fertilizer aqueous solution to make it 100% liquid-containing, it was placed on cultivated land and the change in weight was measured, and the results shown in the table below were obtained.

【表】 上表から、ポリマー無配合のものは、1日で、
含有液が殆んど移動流失しているのに対し、0.5
g,2g添加のものは、その8〜22倍が残留し、
好ましい保液効果を示したが、4g添加のもの
は、水分減量がなく、根部の過湿障害のおそれが
あり、不適当であることが分る。 ホ 作用 本考案の高吸水性ポリマー粒子を分散含有した
鉱物繊維ブロツクは、従来のものと同様に取扱つ
ても、粒子の脱落を生ずることがなく、播種育苗
床として潅水施肥の液保持性が大であるので、そ
の管理が容易となり、育苗ブロツクを本耕土壌に
移植、定植後においても、ブロツク内の含水量が
有効に維持できるので、潅水時間間隔を延長して
も、良好な活着結果が得られる。 ヘ 実施例 ロツクウール製育苗用ブロツク(嵩密度80Kg/
m3、40×300×600mmの板状体、裏面に縦及び横方
向に50mm間隔で巾4mm、深さ30mmの碁盤目状切溝
を設けたもの)の表面に、変性ポリビニルアルコ
ール粉末(荒川化学工業社製、アラソープ)を、
次表に示す割合で散布し、振動を与えつつ裏面よ
り吸気して、粒子をブロツク内に分散含有せしめ
た。 このブロツクに玉荵の種を播き、潅水施肥して
50日の育苗後、該ブロツクを分割して株分けし
て、畑地に定植したところ、10日後の活着率は下
表のとおりであつた。 ポリマー含有量(g) 活着率(%) 0 65 9 76 36 100 50 99 また、前記と同様のブロツクに春まきレタス
(グレートレイク366号)を播種し、35日間育苗し
た本葉が4〜5枚となつた苗つき分割ブロツクを
畑に定植し、活着率をみた結果、ポリマー無添加
のものは63%であつたのに対し、ポリマーを36,
50g含有せしめたものは100%であつた。 ヘ 考案の効果 以上説明したとおり、本考案の高吸水性ポリマ
ー粒子を内部に分散含有した鉱物繊維製栽培床は
育苗時における潅水施肥、定植活着時までの潅水
などの管理が極めて簡単になり、良好な成育効果
が得られるので、栽培作業の能率、効率の向上に
貢献できるものである。
[Table] From the above table, the polymer-free product is
While most of the liquid contained is transferred and lost, 0.5
g, 2g added, 8 to 22 times that amount remains,
Although it showed a favorable liquid retention effect, the one containing 4g did not cause any water loss and was found to be unsuitable as it may cause over-humidity damage to the roots. E. Effect The mineral fiber block containing dispersed superabsorbent polymer particles of the present invention does not cause particles to fall off even when handled in the same way as conventional ones, and has excellent liquid retention properties for irrigation and fertilization as a bed for seeding and raising seedlings. Therefore, it is easy to manage the seedlings, and even after transplanting and planting the seedling blocks into cultivated soil, the water content within the blocks can be effectively maintained, so even if the watering time interval is extended, good rooting results can be achieved. can get. Example: Rock wool block for seedling raising (bulk density 80Kg/
Modified polyvinyl alcohol powder (Arakawa manufactured by Kagaku Kogyo Co., Ltd., Arasop),
The particles were dispersed in the blocks at the rates shown in the table below, and air was sucked in from the back side while being vibrated. Sow jade seeds in this block, water and fertilize.
After raising seedlings for 50 days, the blocks were divided into plants and planted in a field. The survival rate after 10 days was as shown in the table below. Polymer content (g) Survival rate (%) 0 65 9 76 36 100 50 99 In addition, spring lettuce (Great Lake No. 366) was sown in the same block as above, and the true leaves after 35 days of seedling growth were 4 to 5. We planted the split blocks with seedlings in the field and looked at the survival rate, which was 63% for those without polymer, but 36% for those without polymer.
The content of 50g was 100%. F. Effects of the invention As explained above, the mineral fiber cultivation bed of the invention containing highly water-absorbent polymer particles dispersed inside the bed makes it extremely easy to manage watering and fertilizing during seedling raising and watering until the time of planting. Since a good growth effect can be obtained, it can contribute to improving the efficiency and efficiency of cultivation work.

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本考案製品の模式的断面図である。 1……鉱物繊維ブロツク、2……高吸水性ポリ
マー粒子。
The drawing is a schematic cross-sectional view of the product of the present invention. 1...Mineral fiber block, 2...Super absorbent polymer particles.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 鉱物繊維を集積結合した多孔質ブロツク内に、
高吸水性ポリマー粒子を分散含有せしめたことを
特徴とする植物栽培床用鉱物繊維ブロツク。
Inside a porous block made up of mineral fibers,
A mineral fiber block for use as a plant cultivation bed, characterized by containing highly water-absorbent polymer particles dispersed therein.
JP19958185U 1985-12-27 1985-12-27 Expired JPH0224442Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19958185U JPH0224442Y2 (en) 1985-12-27 1985-12-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19958185U JPH0224442Y2 (en) 1985-12-27 1985-12-27

Publications (2)

Publication Number Publication Date
JPS62107649U JPS62107649U (en) 1987-07-09
JPH0224442Y2 true JPH0224442Y2 (en) 1990-07-04

Family

ID=31161340

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19958185U Expired JPH0224442Y2 (en) 1985-12-27 1985-12-27

Country Status (1)

Country Link
JP (1) JPH0224442Y2 (en)

Also Published As

Publication number Publication date
JPS62107649U (en) 1987-07-09

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