JPS643330Y2 - - Google Patents

Info

Publication number

JPS643330Y2

JPS643330Y2 JP16076281U JP16076281U JPS643330Y2 JP S643330 Y2 JPS643330 Y2 JP S643330Y2 JP 16076281 U JP16076281 U JP 16076281U JP 16076281 U JP16076281 U JP 16076281U JP S643330 Y2 JPS643330 Y2 JP S643330Y2

Authority

JP

Japan

Prior art keywords

sensor

rice transplanter

soil

float

biasing

Prior art date

1981-10-26

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

• Espacenet
• Global Dossier
• Discuss

• 239000002689 soil Substances 0.000 claims description 22
• 241000209094 Oryza Species 0.000 claims description 16
• 235000007164 Oryza sativa Nutrition 0.000 claims description 16
• 235000009566 rice Nutrition 0.000 claims description 16
• 238000001514 detection method Methods 0.000 claims description 10
• 230000035515 penetration Effects 0.000 claims 2
• 230000000149 penetrating effect Effects 0.000 claims 1
• 239000000356 contaminant Substances 0.000 description 7
• 244000025254 Cannabis sativa Species 0.000 description 3
• 238000000034 method Methods 0.000 description 3
• 239000010902 straw Substances 0.000 description 3
• 238000005452 bending Methods 0.000 description 2
• 241000196324 Embryophyta Species 0.000 description 1
• 230000007423 decrease Effects 0.000 description 1
• 230000007257 malfunction Effects 0.000 description 1
• 239000000126 substance Substances 0.000 description 1