JPS645456Y2 - - Google Patents

Info

Publication number

JPS645456Y2

JPS645456Y2 JP12638084U JP12638084U JPS645456Y2 JP S645456 Y2 JPS645456 Y2 JP S645456Y2 JP 12638084 U JP12638084 U JP 12638084U JP 12638084 U JP12638084 U JP 12638084U JP S645456 Y2 JPS645456 Y2 JP S645456Y2

Authority

JP

Japan

Prior art keywords

guide tube

conduit

seeding

mud

receiving gutter

Prior art date

1984-08-22

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

• 238000010899 nucleation Methods 0.000 claims description 15
• 241000209094 Oryza Species 0.000 description 14
• 235000007164 Oryza sativa Nutrition 0.000 description 14
• 235000009566 rice Nutrition 0.000 description 14
• 239000002689 soil Substances 0.000 description 12
• 238000009331 sowing Methods 0.000 description 3
• 230000005540 biological transmission Effects 0.000 description 2
• 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
• 229920002554 vinyl polymer Polymers 0.000 description 2
• 238000007796 conventional method Methods 0.000 description 1
• 230000007547 defect Effects 0.000 description 1
• 230000003670 easy-to-clean Effects 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 239000012780 transparent material Substances 0.000 description 1