JP2622709B2 - Raising rice seedlings - Google Patents
Raising rice seedlingsInfo
- Publication number
- JP2622709B2 JP2622709B2 JP63044629A JP4462988A JP2622709B2 JP 2622709 B2 JP2622709 B2 JP 2622709B2 JP 63044629 A JP63044629 A JP 63044629A JP 4462988 A JP4462988 A JP 4462988A JP 2622709 B2 JP2622709 B2 JP 2622709B2
- Authority
- JP
- Japan
- Prior art keywords
- soil
- fertilizer
- covering
- added
- weight
- 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 - Lifetime
Links
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、水稲稚苗の育生方法に関し、詳しくは、育
苗箱による育苗において、播種床に肥料を施すことな
く、必要肥料の全部を覆土に保持させてなる育生方法に
関する。Description: FIELD OF THE INVENTION The present invention relates to a method of growing rice seedlings, and more particularly, to raising seedlings in a nursery box, without applying fertilizer to a seedbed and holding all of the required fertilizer on cover soil. It relates to a growing method.
従来の技術 従来、機械田植用の水稲稚苗は、統一された規格稚の
育苗箱（内法58cm×28cm×3cm）を用い、市販されてい
る土壌系または非土壌系資材、或いは農家で滅菌した土
壌に肥料成分を添加し、pH調整を行ったものを播種床と
し、播種後覆土して育苗が行われている。この覆土用土
壌としては、播種床が土壌系の場合も、非土壌系の場合
も、市販土壌系資材或いは農家調整の土壌が用いられて
いるが、土壌系播種床の場合、播種床と同一資材を覆土
に用いる場合が多い。この場合、覆土中の肥料成分も、
播種床と同一組成の成分を含有することになるが、覆土
には肥料を添加せず、必要肥料の全部を播種床で賄って
いる場合もある。2. Description of the Related Art Conventionally, paddy rice seedlings for mechanical rice planting are sterilized by commercially available soil-based or non-soil-based materials or farmers using a unified seedling nursery box (internal method: 58 cm x 28 cm x 3 cm). Fertilizer components are added to the soil that has been subjected to pH adjustment, and the resulting soil is used as a sowing bed. After sowing, the soil is covered and seedlings are grown. As the soil for covering soil, commercially available soil-based materials or soil prepared by farmers are used regardless of whether the seedbed is a soil-based or non-soil-based one. Materials are often used for covering soil. In this case, the fertilizer components in the soil cover also
It will contain components of the same composition as the seedbed, but in some cases no fertilizer is added to the cover soil and all of the required fertilizer is covered by the seedbed.
発明が解決しようとする課題 しかしながら、添加する肥料の種類や添加量、或いは
使用する土壌が不適当であったりして、肥料成分過剰に
よる発芽障害や、発根不良、肥やけ等の障害を起こした
り、或いは反対に、肥料切れ症状を呈したりすること
が、しばしば見られる。障害に至らないまでも、一時に
多量の肥料の溶出が起こるために、流亡により損失する
ばかりでなく、肥料をそれ程必要としない生育初期に
は、肥料成分過剰で徒長し、肥料吸収の旺盛な生育後期
には、反対に肥料不足を招くことも多い。Problems to be Solved by the Invention However, the type and amount of fertilizer to be added or the soil used are inappropriate, causing germination failure due to excessive fertilizer components, rooting failure, failure such as fertilization, etc. Or, on the contrary, it often shows out of fertilizer. Even if it does not lead to an obstacle, a large amount of fertilizer elutes at one time, so not only will it be lost due to runoff, but also in the early growing season when fertilizer is not so much needed, it will be prolonged due to excess fertilizer components and fertilizer absorption is strong. On the other hand, late growth often leads to a shortage of fertilizer.
本発明は、従来の技術における上記のような問題点に
鑑みてなされたものである。The present invention has been made in view of the above-described problems in the related art.
即ち、本発明は、従来の方法における肥やけ等の塩類
過剰による障害が、根部と高濃度塩類溶液との接触によ
って起こることに着目してなされたものであって、その
目的は、根部と直接接触しない覆土部分に、必要な肥料
の全部を保持させることにより、肥料の過剰障害を回避
すると共に、肥料保持期間を延長する育生方法を提供す
るものである。That is, the present invention has been made by paying attention to the fact that an obstacle caused by excess salt such as fertilization in the conventional method is caused by contact of the root with a high-concentration salt solution. An object of the present invention is to provide a breeding method that avoids excessive obstruction of the fertilizer and extends the fertilizer holding period by holding all necessary fertilizer in the covering soil portion that does not contact.
課題を解決するための手段及び作用 本発明の水稲稚苗の育生方法は、肥料成分を添加しな
い土壌に種籾を播種後、肥料成分として窒素（Ｎ）、燐
酸（P2O5）、及び加里（K2O）をそれぞれ0.05重量％な
いし0.2重量％未満含有する覆土用土壌で覆土すること
を特徴とする。Means and Action for Solving the Problems According to the method for growing rice seedlings of the present invention, seed rice is sown on soil to which no fertilizer component is added, and then nitrogen (N), phosphoric acid (P 2 O 5 ) and potassium are used as fertilizer components. (K 2 O) is characterized by being covered with soil for covering soil containing 0.05% by weight to less than 0.2% by weight, respectively.
本発明において、播種床を構成するための土壌として
は、山土、畑土等の土壌を、pH5前後に調整し、ポリビ
ニルアルコール、カルボキシメチルセルローズ等の水溶
性糊剤を用いて粒径５〜32メッシュ程度に造粒したも
の、軽量化するために土壌に木質粉体や発泡樹脂粉体を
混合して造粒したもの、土壌を単に滅菌し、pH調整した
もの等を使用することができる。In the present invention, as the soil for constituting the seeding bed, soil such as mountain soil, field soil, etc., is adjusted to about pH 5, polyvinyl alcohol, water-soluble glue such as carboxymethyl cellulose, particle size 5 to 5. Granulated to about 32 mesh, woody or foamed resin powder mixed with soil to reduce weight, granulated, or simply sterilized soil and adjusted pH can be used. .
一方、覆土用土壌には、肥料成分として、窒素、燐
酸、及び加里をそれぞれ0.05重量％ないし0.2％未満保
持させたものを用いる。この保持量は、上記規格の育苗
箱を用いて1kgの覆土をした場合、窒素、燐酸、及び加
里を、それぞれ育苗箱一箱当り、0.5gないし2g未満供給
する量になり、稚苗育生に必要十分な量である。上記各
肥料成分が、0.05重量％よりも少ないと、肥料効果が十
分に発揮できなくなり、また0.2重量％以上になると肥
料効果は飽和し、それ以上の効果は期待できなくなる。On the other hand, the soil for covering soil uses, as fertilizer components, nitrogen, phosphoric acid, and potassium each holding 0.05% by weight to less than 0.2%. When the soil is covered with 1 kg of soil using a nursery box of the above-mentioned standard, the amount of nitrogen, phosphoric acid, and potassium supplied is 0.5 g to less than 2 g per box of nursery box. It is a necessary and sufficient amount. If the content of each of the above fertilizer components is less than 0.05% by weight, the fertilizer effect cannot be sufficiently exhibited, and if it is 0.2% by weight or more, the fertilizer effect is saturated, and further effects cannot be expected.
保持させる肥料成分としては、通常使用されているも
のが使用でき、緩効性肥料成分や、コーティングなどの
物理的手段により供給速度を調整した緩効性肥料を使用
することもできる。As the fertilizer component to be retained, a commonly used fertilizer component can be used, and a slow-release fertilizer component or a slow-release fertilizer whose supply rate is adjusted by physical means such as coating can also be used.
覆土用培土は、土壌に上記量の肥料成分を添加し、滅
菌、pH調整して製造されるが、高濃度に保持された肥料
成分を潅水により徐々に溶出させるためには、粒径５〜
32〜メッシュ程度に造粒するのが望ましい。The soil cultivation is made by adding the above amount of the fertilizer component to the soil, sterilizing and adjusting the pH.In order to gradually elute the fertilizer component held at a high concentration by watering, the particle size is 5 to 5.
It is desirable to granulate to about 32 to mesh.
本発明においては、上記のように播種床に肥料成分を
全く添加せずに、肥料の全必要量を、覆土で賄うため、
覆土には肥料保持能力の高い土壌を用いるのが望まし
い。肥料保持力は、塩基置換容量が目安となるものであ
って、塩基置換容量40me/100g以上のものならば、好ま
しく使用される。In the present invention, without adding any fertilizer component to the seeding bed as described above, in order to cover the entire required amount of fertilizer with soil cover,
It is desirable to use soil with a high fertilizer holding capacity for covering soil. The fertilizer holding power is a measure of the base substitution capacity, and is preferably used as long as the base substitution capacity is 40 me / 100 g or more.
また、被覆用土壌には、肥料保持力や保水力を調整す
るために、補助的に腐植や高吸水性樹脂などを添加する
ことも可能である。Further, humus, a highly water-absorbing resin, and the like can be added to the covering soil in order to adjust the fertilizer holding power and the water holding power.
本発明を実施するには、水稲育苗箱に、まず、肥料成
分を添加しない土壌を詰めて播種床を形成し、種籾を播
種する。次いで、窒素、燐酸、及び加里をそれぞれ0.05
重量％ないし0.2重量％未満含有する覆土用土壌で0.7cm
前後に覆土することによって行う。In order to implement the present invention, a paddy rice seedling box is first filled with soil to which no fertilizer component is added to form a seeding bed, and seed rice is sown. Then, nitrogen, phosphoric acid and potassium were each added to 0.05%.
0.7cm in covering soil containing less than 0.2% by weight
This is done by covering the soil back and forth.
水稲育苗箱は、田植え機械の規格の統一と共に、その
規格も統一され、内法58cm×28cm×3cmのものが、全国
的に用いられており、この規格の水稲育苗箱で水稲苗の
育生を行う場合には、上記肥料成分を添加しない土壌を
用いて、厚さ2cm程の播種床を作り、その播種床に種籾
を播種し、その後、肥料成分を高濃度に含有する上記覆
土用土壌を、1624cm2当り、即ち上記箱当り、窒素、リ
ン酸、及び加里それぞれ0.5〜2.0g未満になるように覆
土する。この量は水稲稚苗育生に必要な肥料成分の全部
である。Paddy rice seedling boxes are standardized along with the standardization of rice planting machines, and the standard is 58 cm x 28 cm x 3 cm, which is used nationwide. When performing, using a soil to which the above fertilizer component is not added, make a seeding bed of about 2 cm in thickness, sow seed rice on the seeding floor, and then, cover the soil for covering soil containing a high concentration of a fertilizer component. , 1624 cm 2 , i.e., per box, nitrogen, phosphoric acid, and kali, respectively. This amount is all of the fertilizer components necessary for raising rice seedlings.
本発明においては、根部と接触する播種床部分には全
く肥料を添加せず、肥料成分の全量を覆土部分に保持さ
せるものであって、覆土部分の肥料成分を、潅水によ
り、徐々に溶出させ、過不足なく根部に供給することに
よって、肥料成分の過剰障害や肥切れ減少を回避し、肥
料保持能力に乏しい土壌の場合でも、育苗用床土として
利用することができる。In the present invention, no fertilizer is added to the sowing bed portion in contact with the root, and the entire amount of the fertilizer component is retained in the soil cover portion.The fertilizer component in the soil cover portion is gradually eluted by watering. By supplying to the roots with no excess or deficiency, it is possible to avoid excessive obstruction of fertilizer components and decrease in fertilization, and to use as soil for raising seedlings even in the case of soil having poor fertilizer holding ability.
実施例 以下、本発明を実施例によって説明する。なお、％は
重量％を意味する。Examples Hereinafter, the present invention will be described with reference to examples. In addition,% means weight%.
塩基置換容量40me/100gの混合土壌を粉砕し、40メッ
シュ以下に篩分けし、硫安、重焼燐、及び塩化加里をそ
れぞれ窒素、燐酸、及び加里それぞれ0.19％となるよう
に混合し、pH5に調整した。更に、ポリビニルアルコー
ルを３重量％水溶液として覆用培土全量に対して0.15％
となるように添加した後、５〜32メッシュに造粒し、滅
菌、加熱乾燥して覆土用培土を得た。Crush the mixed soil with a base substitution capacity of 40me / 100g, sieve it to 40 mesh or less, mix ammonium sulfate, baking phosphorus, and potassium chloride each to be 0.19% each of nitrogen, phosphoric acid, and potassium, and adjust to pH5. It was adjusted. Furthermore, as a 3% by weight aqueous solution of polyvinyl alcohol, 0.15% with respect to the total amount
Then, the mixture was granulated to 5 to 32 mesh, sterilized, and dried by heating to obtain a soil for covering soil.
水稲育苗箱に、山土を2cmの厚さに詰め、催芽籾200g
を播種し、十分に潅水してから、上記覆土用培土1kgを
覆土した。In a paddy rice nursery box, pack the mountain soil to a thickness of 2 cm, and sprout seeds 200 g
Was seeded and sufficiently irrigated, and 1 kg of the above-mentioned soil cultivation was covered with soil.
32℃に設定した発芽器中に、二日間置いて出芽させ、
21日間育苗した。21日目の調査結果は、次の通りであっ
た。In a germinator set at 32 ° C, leave for 2 days to germinate,
Raised for 21 days. The findings on the 21st day were as follows:
生育状態 草丈 13.4cm 葉数 2.3 第１葉鞘高 2.8cm 茎葉乾物重 14.7mg/本 葉色 やや濃い 発明の効果 本発明は、上記のごとく肥料成分を全く添加しない播
種床と、高濃度に肥料成分を含有する覆土用土壌を組合
わせた育苗方法であり、播種床に肥料を添加しないこと
により、根部の接触する部分に高濃度塩類溶液を生じる
ことなく、肥料成分の過剰障害を回避し、潅水で徐々に
溶出させることにより肥料保持期間を延長することがで
きる。また、肥料保持力の低い土壌を播種床として、有
効に利用することが可能になるという利点もある。Growing state Plant height 13.4cm Number of leaves 2.3 First leaf sheath height 2.8cm Foliage dry matter 14.7mg / flower Leaf color Slightly dark Effect of the present invention It is a method of raising seedlings in which soil for covering soil is contained, without adding fertilizer to the seedbed, avoiding excessive damage of fertilizer components without generating a high-concentration salt solution in the area where the roots come in contact, and using irrigation. By gradually dissolving the fertilizer, the fertilizer holding period can be extended. There is also an advantage that soil having a low fertilizer holding power can be effectively used as a sowing bed.
Claims (1)
後、肥料成分として窒素、燐酸、及び加里をそれぞれ0.
05重量％ないし0.2重量％未満含有する覆土用土壌で覆
土することを特徴とする水稲稚苗の育生方法。(1) After sowing seeds on soil to which no fertilizer component is added, nitrogen, phosphoric acid, and potassium are each added as fertilizer components to a concentration of 0.1%.
A method of growing rice seedlings, comprising covering the soil with soil for covering containing from 05% by weight to less than 0.2% by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63044629A JP2622709B2 (en) | 1988-02-29 | 1988-02-29 | Raising rice seedlings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63044629A JP2622709B2 (en) | 1988-02-29 | 1988-02-29 | Raising rice seedlings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01218516A JPH01218516A (en) | 1989-08-31 |
| JP2622709B2 true JP2622709B2 (en) | 1997-06-18 |
Family
ID=12696714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63044629A Expired - Lifetime JP2622709B2 (en) | 1988-02-29 | 1988-02-29 | Raising rice seedlings |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2622709B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104303918A (en) * | 2014-10-27 | 2015-01-28 | 洪家智 | Regenerated rice cultivation method |
| CN104335862B (en) * | 2014-11-04 | 2016-08-24 | 湖南新宇农业科技有限公司 | A kind of method at alkalescence soil species planting paddy rice |
| CN106342614A (en) * | 2016-08-22 | 2017-01-25 | 赵小林 | Production method of selenium-enriched Mayang longevity fragrant rice |
| JP6816703B2 (en) * | 2017-10-31 | 2021-01-20 | 井関農機株式会社 | How to make mat seedlings |
| CN111820090A (en) * | 2019-04-22 | 2020-10-27 | 上海北禾水土环保科技有限公司 | Alkali soil seedbed management method |
-
1988
- 1988-02-29 JP JP63044629A patent/JP2622709B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01218516A (en) | 1989-08-31 |
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