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vernon p grubinger
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Cilt sonuçları
Sustainable Vegetable Production from Start-up to Market
Vernon P. Grubinger, Natural Resource, Agriculture, and Engineering Service. Cooperative Extension · Natural Resource Agriculture and Engineering Service (Nraes)
288 sayfa · 1999
Gardening
With an Ear to the Ground
Vernon P. Grubinger, Helen Husher, Sustainable Agriculture Research & Education (Program). Northeast Region, Vermont Public Radio · Yayınevi bilinmiyor
198 sayfa · 2004
Agricultural processing