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walter t swingle
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Cilt sonuçları
Quarantine procedure to safeguard the introduction of citrus plants
Walter T. Swingle · U.S. Dept. of Agriculture
15 sayfa · 1924
Plant quarantine / Citrus fruits / Propagation
Tangelos, what they are
Walter T. Swingle · United States Department of Agriculture, Bureau of Plant Industry, Crop Physiology and Breeding Investigations
Sayfa sayısı yok · 1918
Citrus fruits
The pistache nut
Walter T. Swingle · U.S. Dept. of Agriculture, Bureau of Plant Industry, Crop Physiology and Breeding Investigations
Sayfa sayısı yok · 1916
Pistachio
The prevention of stinking smut of wheat and loose smut of oats
Walter T. Swingle · U.S. Dept. of Agriculture
16 sayfa · 1906
Cereal smut diseases / Control / Wheat / Diseases and pests / Oats