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Parasite and predator populations in insecticide-treated corn field [microform]
Udgivet 1982Visual Material -
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Effects of insecticide on predators and soil anthropods in a corn + mung intercrop [microform]
Udgivet 1982Visual Material -
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Studies on linkage relations of genes for disease and insect resistance and a kernel trait in rice [microform].
Udgivet 1978Visual Material -
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Resistance to the yellow borer, Tryporyza Incertulas (walker) in rice varieties [microform]
Udgivet 1977Visual Material -
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