High yielding varieties and special plant protection problems with particular reference to tungro virus of rice
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| Format: | Texto biblioteca |
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1973
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| Subjects: | AGS IRC, VIROSES, PLANT PROTECTION, RICE, VARIETIES, CEREALS, VIROSE, PROTECTION DES PLANTES, RIZ, VARIETE, VIROSIS, PROTECCION DE LAS PLANTAS, ARROZ, VARIEDADES, CEREALE, CEREALES, |
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