कृषि-पाराशर (महर्षि पराशर - प्राचीन भारतीय कृषि, मृदा-परीक्षण, वर्षा-पूर्वानुमान व बीज-संस्कार)

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"( See footnote 6, p. 59, and note after footnote 4, p. 62 )."

Let's check the line again:
"हलप्रसारणं कार्यं नाद्भिर्मित्रैश्च वृषकैः" (or "नाद्भिर्मित्रैश्च कृषकैः")
Wait, what is the word before मित्रैश्च?
Is it "नाद्भिर्"? Let's look at it:
न, ा, then द्भिर्:
Wait, look at: न, ा, then there is a repha?
Wait, could it be "नाग्निर्मित्रैश्च"? No, let's look at the letter:
It has a loop like 'द' and below it 'ध' or 'भ'?
Wait, could it be "नाद्भिर्"? In Sanskrit, "नाद्भिः" = न + अद्भिः (not with water)? Or "नाद्भिर्"?
Wait, what about "नाग्निर्मित्रैश्च"? Fire and friends?
Wait, let's look at the letter: could it be "नाग्निर्"?
Wait, 'ग्नि' has 'ग' and 'न'. Here we see a loop at the bottom, like 'भि'. So 'द्भि' or 'ग्गि' or 'द्धि'?
Wait, look at "नाद्भिर्" vs "नाग्निर्":
Notice the bottom loop: it looks like 'भि