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John Cornelius Siemens
2 cilt bulundu.
Cilt sonuçları
Harvesting and drying soybeans
John Cornelius Siemens · University of Illinois at Urbana-Champaign, College of Agriculture, Cooperative Extension Service
10 sayfa · 1974
Drying / Soybean / Harvesting
Band spraying preemergence herbicides
John Cornelius Siemens · University of Illinois at Urbana-Champaign, College of Agriculture, Cooperative Extension Service
Sayfa sayısı yok · 1971
Herbicides / Application / Spraying equipment