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461
Studies on the inheritance of resistance to brown planthopper in some rice varieties [microform].
Published 1979Visual Material -
462
Biological control of soil-borne pathogens attacking tobacco [microform]
Published 1979Visual Material -
463
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464
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465
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466
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467
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468
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469
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470
Studies on DDT resistance in some local populations of rice weevils [microform]
Published 1978Visual Material


