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lyle w weldon
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Cilt sonuçları
A summary review of investigations on alligatorweed and its control
Lyle W. Weldon · USDA, Agricultural Research Service, Crops Research Division
41 sayfa · 1960
Control / Aquatic weeds / Alternanthera philoxeroides
Common aquatic weeds
Lyle W. Weldon · Agricultural Research Service, U.S. Dept. of Agriculture
43 sayfa · 1969
Water weeds / Aquatic weeds