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george m darrow
28 cilt bulundu.
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Reducing virus and nematode damage to strawberry plants
George M. Darrow · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1957
Strawberries / Diseases and pests / Virus diseases of plants / Nematode diseases of plants
Strawberry varieties in the United States
George M. Darrow · for sale by the Supt. of Docs., U.S. Govt. Print. Off.
16 sayfa · 1967
Strawberries / Varieties
Responses of strawberry varieties and species to duration of the daily light period
George M. Darrow · U.S. Dept. of Agriculture
32 sayfa · 1934
Plants / Effect of light on / Strawberries / Varieties