JP2585201C - - Google Patents

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Publication number
JP2585201C
JP2585201C JP2585201C JP 2585201 C JP2585201 C JP 2585201C JP 2585201 C JP2585201 C JP 2585201C
Authority
JP
Japan
Prior art keywords
fertilizer
gutter
groove
comparator
roll
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 - Lifetime
Application number
Other languages
English (en)
Japanese (ja)
Publication date

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