JPS645452Y2 - - Google Patents
Info
- Publication number
- JPS645452Y2 JPS645452Y2 JP1320988U JP1320988U JPS645452Y2 JP S645452 Y2 JPS645452 Y2 JP S645452Y2 JP 1320988 U JP1320988 U JP 1320988U JP 1320988 U JP1320988 U JP 1320988U JP S645452 Y2 JPS645452 Y2 JP S645452Y2
- Authority
- JP
- Japan
- Prior art keywords
- soil
- hardness
- plate
- changes
- seeding
- 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
Links
- 239000002689 soil Substances 0.000 claims description 74
- 238000010899 nucleation Methods 0.000 claims description 19
- 241000209094 Oryza Species 0.000 description 14
- 235000007164 Oryza sativa Nutrition 0.000 description 14
- 235000009566 rice Nutrition 0.000 description 14
- 238000009331 sowing Methods 0.000 description 10
- 238000001514 detection method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 108010016634 Seed Storage Proteins Proteins 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
Landscapes
- Sowing (AREA)
- Agricultural Machines (AREA)
- Soil Working Implements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1320988U JPS645452Y2 (el) | 1988-02-02 | 1988-02-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1320988U JPS645452Y2 (el) | 1988-02-02 | 1988-02-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63132513U JPS63132513U (el) | 1988-08-30 |
| JPS645452Y2 true JPS645452Y2 (el) | 1989-02-10 |
Family
ID=30802054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1320988U Expired JPS645452Y2 (el) | 1988-02-02 | 1988-02-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS645452Y2 (el) |
-
1988
- 1988-02-02 JP JP1320988U patent/JPS645452Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63132513U (el) | 1988-08-30 |
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