农田杂草的识别与化学防除
Illus. Index also in La
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Format: | Texto biblioteca |
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Peking (China) Science Pub.
1977
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Subjects: | HERBICIDES, WEED CONTROL, WEEDS, IDENTIFICATION, HERBICIDE, DESHERBAGE, MAUVAISE HERBE, HERBICIDAS, ESCARDA, MALEZAS, IDENTIFICACION, |
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Summary: | Illus. Index also in La |
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