FI68752C - Saett vid jordfri vaextodling - Google Patents

Saett vid jordfri vaextodling Download PDF

Info

Publication number: FI68752C
Authority: FI; Finland
Prior art keywords: nutrient solution; oxygen; oxygen content; plants; root
Prior art date: 1980-01-11

Application number

FI812840A

Other languages

English (en)

Finnish (fi)

Other versions

FI68752B (fi

FI812840L (fi

Inventor

Ernst Horst Severin Sjoestedt

Original Assignee

Ernst Horst Severin Sjoestedt

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.)

1980-01-11

Filing date

1981-09-11

Publication date

1985-11-11

1980-01-11 Priority claimed from SE8000232A external-priority patent/SE419689B/sv

1981-09-11 Application filed by Ernst Horst Severin Sjoestedt filed Critical Ernst Horst Severin Sjoestedt

1981-09-11 Publication of FI812840L publication Critical patent/FI812840L/fi

1985-07-31 Publication of FI68752B publication Critical patent/FI68752B/fi

1985-11-11 Application granted granted Critical

1985-11-11 Publication of FI68752C publication Critical patent/FI68752C/fi

Links

229910052760 oxygen Inorganic materials 0.000 claims description 61
235000015097 nutrients Nutrition 0.000 claims description 60
239000001301 oxygen Substances 0.000 claims description 59
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 58
239000007800 oxidant agent Substances 0.000 claims description 9
238000000034 method Methods 0.000 claims description 8
MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 7
230000001590 oxidative effect Effects 0.000 claims description 5
239000000243 solution Substances 0.000 description 52
241000196324 Embryophyta Species 0.000 description 33
230000029058 respiratory gaseous exchange Effects 0.000 description 10
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
239000002689 soil Substances 0.000 description 5
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
229910001882 dioxygen Inorganic materials 0.000 description 4
238000007664 blowing Methods 0.000 description 3
239000001963 growth medium Substances 0.000 description 3
150000002500 ions Chemical class 0.000 description 3
-1 nitrate ions Chemical class 0.000 description 3
241000894006 Bacteria Species 0.000 description 2
229910002651 NO3 Inorganic materials 0.000 description 2
238000000354 decomposition reaction Methods 0.000 description 2
230000007423 decrease Effects 0.000 description 2
230000037406 food intake Effects 0.000 description 2
235000012631 food intake Nutrition 0.000 description 2
229910052757 nitrogen Inorganic materials 0.000 description 2
239000011146 organic particle Substances 0.000 description 2
230000003647 oxidation Effects 0.000 description 2
238000007254 oxidation reaction Methods 0.000 description 2
239000004576 sand Substances 0.000 description 2
239000000758 substrate Substances 0.000 description 2
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
235000007688 Lycopersicon esculentum Nutrition 0.000 description 1
NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
240000003768 Solanum lycopersicum Species 0.000 description 1
XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
150000001450 anions Chemical class 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
230000007812 deficiency Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
235000020774 essential nutrients Nutrition 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection Substances 0.000 description 1
238000005342 ion exchange Methods 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
239000011490 mineral wool Substances 0.000 description 1
239000000203 mixture Substances 0.000 description 1
239000005416 organic matter Substances 0.000 description 1
150000002926 oxygen Chemical class 0.000 description 1
239000002245 particle Substances 0.000 description 1
230000008288 physiological mechanism Effects 0.000 description 1
230000008635 plant growth Effects 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
238000003756 stirring Methods 0.000 description 1
208000024891 symptom Diseases 0.000 description 1

Classifications

- Y02P60/216—

Landscapes

Hydroponics (AREA)

FI812840A 1980-01-11 1981-09-11 Saett vid jordfri vaextodling FI68752C (fi)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
SE8000232A SE419689B (sv)	1980-01-11	1980-01-11	Sett vid jordfri vextodling
SE8000232		1980-01-11
SE8100004		1981-01-12
PCT/SE1981/000004 WO1981001940A1 (en)	1980-01-11	1981-01-12	Method of cultivating plants without soil

Publications (3)

Publication Number	Publication Date
FI812840L FI812840L (fi)	1981-09-11
FI68752B FI68752B (fi)	1985-07-31
FI68752C true FI68752C (fi)	1985-11-11

Family

ID=26657446

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI812840A FI68752C (fi)	1980-01-11	1981-09-11	Saett vid jordfri vaextodling

Country Status (2)

Country	Link
DK (1)	DK399181A (da)
FI (1)	FI68752C (da)

1981
- 1981-09-09 DK DK399181A patent/DK399181A/da unknown
- 1981-09-11 FI FI812840A patent/FI68752C/fi not_active IP Right Cessation

Also Published As

Publication number	Publication date
FI68752B (fi)	1985-07-31
FI812840L (fi)	1981-09-11
DK399181A (da)	1981-09-09

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Legal Events

Date	Code	Title	Description
2004-08-31	MM	Patent lapsed	Owner name: SJOESTEDT, ERNST HORST SEVERIN