Yazar
George Percival Weldon
4 cilt bulundu.
Cilt sonuçları
The Babcock peach
George Percival Weldon · University of California, College of Agriculture, Agricultural Experiment Station
Sayfa sayısı yok · 1933
Peach
Two common orchard mites
George Percival Weldon · Agricultural Experiment Station of the Agricultural College of Colorado
12 sayfa · 1909
Spider mites / Bryobia praetiosa / Fruit / Diseases and pests
Pear Growing in California
Geo P. (George Percival) B. Weldon · Creative Media Partners, LLC
Sayfa sayısı yok · 2021
Kategori yok