JP2022101056A - 養液栽培に用いる無機鉄含有ガラス組成物 - Google Patents
養液栽培に用いる無機鉄含有ガラス組成物 Download PDFInfo
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 379
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 190
- 239000011521 glass Substances 0.000 title claims abstract description 118
- 239000000203 mixture Substances 0.000 title claims abstract description 106
- 239000003501 hydroponics Substances 0.000 title claims abstract description 37
- 239000003337 fertilizer Substances 0.000 claims abstract description 67
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 49
- JVXHQHGWBAHSSF-UHFFFAOYSA-L 2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate;hydron;iron(2+) Chemical compound [H+].[H+].[Fe+2].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O JVXHQHGWBAHSSF-UHFFFAOYSA-L 0.000 abstract description 26
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 66
- 235000015097 nutrients Nutrition 0.000 description 63
- 241000196324 Embryophyta Species 0.000 description 30
- 239000010949 copper Substances 0.000 description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 21
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 21
- 229910052802 copper Inorganic materials 0.000 description 21
- 229910052725 zinc Inorganic materials 0.000 description 21
- 239000011701 zinc Substances 0.000 description 21
- 241000208822 Lactuca Species 0.000 description 19
- 235000003228 Lactuca sativa Nutrition 0.000 description 19
- 230000000052 comparative effect Effects 0.000 description 14
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 11
- 230000012010 growth Effects 0.000 description 7
- 239000002689 soil Substances 0.000 description 7
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- 238000002054 transplantation Methods 0.000 description 5
- 235000013311 vegetables Nutrition 0.000 description 5
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 description 4
- 239000000571 coke Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 230000008635 plant growth Effects 0.000 description 4
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 description 4
- 238000004090 dissolution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 208000037824 growth disorder Diseases 0.000 description 3
- 238000003306 harvesting Methods 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 206010022971 Iron Deficiencies Diseases 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000012364 cultivation method Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- -1 iron ions Chemical class 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 description 1
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 235000020774 essential nutrients Nutrition 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 235000008216 herbs Nutrition 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 229910001950 potassium oxide Inorganic materials 0.000 description 1
- 229910000160 potassium phosphate Inorganic materials 0.000 description 1
- 235000011009 potassium phosphates Nutrition 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000004017 vitrification Methods 0.000 description 1
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- Hydroponics (AREA)
- Glass Compositions (AREA)
- Fertilizers (AREA)
Abstract
【解決手段】本発明に係る無機鉄含有ガラス組成物は、(a)P2O5 36mol%~44mol%、(b)K2O 36mol%~44mol%、および(c)FeO 18mol%~20mol%を含む無機鉄含有ガラス組成物であり、P2O5/K2Oのモル比が0.8~1.2であり、前記無機鉄含有ガラス組成物は水耕栽培および養液栽培全般における肥料として用いること、からなる。
【選択図】なし
Description
(銅と亜鉛を加えた無機鉄含有ガラス組成物の調製)
ガラス成分としてP2O5ならびにK2O、肥料成分としてFeO、CuO、ZnO、および還元剤としてコークスを混合し坩堝に加えた。続いて、坩堝を窯内で1250℃に加熱熔融することで、ガラス化した。坩堝を窯から出して熔融物を水冷のステンレスロール上に流し出し急冷してフレークの形状の無機鉄含有ガラス組成物を得た。無機鉄含有ガラス組成物の成分割合、P2O5/K2O比、およびフリットのサイズを表1に示した。
(EDTA鉄およびEDTA銅、EDTA亜鉛)
鉄の肥料成分としてFe(III)-EDTA、銅の肥料成分としてCu(II)-EDTA、亜鉛の肥料成分としてZn(II)-EDTAを使用した。
水耕栽培で用いる養液は、肥料成分として鉄分のみを含有するだけでは不十分であり、植物の栽培を行うことができない、そのため、他の肥料成分を補うため、以下の肥料を調製し、各々の肥料を併用することでレタスの栽培を行った。
実施例の無機鉄含有ガラス組成物の肥効を確認するために、上述の方法にて水耕栽培養液を調製しレタスの水耕栽培を行った。また、比較対象として、比較例のEDTA鉄含有養液を用いてレタスの水耕栽培を行った。
レタスを水耕栽培している期間中、各試験区の養液の鉄濃度を調査し、その平均値を算出した。結果を図1に示した。
栽培試験を終了した後、各試験区のレタスを収穫し、生育終了後の重量、標準偏差、葉長、収量、および収量比を調べ、その平均値を算出した。結果を表3に示した。また、収穫したレタスの写真を図2に示した。
栽培試験を終了した後、各試験区のレタスを収穫し、生育終了後の無機成分含有率および水分量を調べ、その平均値を算出した。結果を表4に示した。
Claims (4)
- (a)P2O5 36mol%~44mol%、
(b)K2O 36mol%~44mol%、および
(c)FeO 18mol%~20mol%を含む無機鉄含有ガラス組成物であり、
P2O5/K2Oのモル比が0.8~1.2であり、前記無機鉄含有ガラス組成物は水耕栽培および養液栽培全般における肥料として用いる、無機鉄含有ガラス組成物。 - 前記無機鉄含有ガラス組成物は、
(d)CuO 0.01mol%~0.5mol%、および/または
(e)ZnO 0.01mol%~0.5mol%をさらに含む、請求項1に記載の無機鉄含有ガラス組成物。 - 無機鉄含有ガラス組成物は、ガラスの熔融時に還元状態を保つため(f)還元剤をさらに含む、請求項1または2に記載の無機鉄含有ガラス組成物。
- 前記無機鉄含有ガラス組成物の形状はフレークである、請求項1-3のいずれか1項に記載の無機鉄含有ガラス組成物。
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WO2016132285A1 (en) | 2015-02-17 | 2016-08-25 | Microfertil S.R.L. | A fertilizing composition |
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