Crop production with conservation in the 80's : proceedings of the American Society of Agricultural Engineers Conference on Crop Production with Conservation in the 80's, December 1-2, 1980, Palmer House, Chicago, Illinois.

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Ngā kaituhi rangatōpū: American Society of Agricultural Engineers Conference on Crop Production with Conservation in the 80's Chicago, Ill., American Society of Agricultural Engineers
Hōputu: Conference Proceeding Pukapuka
Reo:Ingarihi
I whakaputaina: St. Joseph, Mich. : ASAE, c1981.
Rangatū:ASAE publication. 81-7.
Ngā marau:
Agricultural conservation > United States.
Conservation tillage > United States.
Agricultural conservation.
Conservation tillage.
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