INFLUENCE OF HERBICIDES BELOW AND ABOVE THE ECONOMIC THRESHOLDS ON YIELD OF WINTER-WHEAT DEPENDING ON NITROGEN-FERTILIZATION AND FUNGICIDES .1. MAIN AND SIDE-EFFECTS OF NITROGEN, FUNGICIDES AND HERBICIDES

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SPRINGER, B
HEITEFUSS, R
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ZEITSCHRIFT FUR PFLANZENKRANKHEITEN UND PFLANZENSCHUTZ-JOURNAL OF PLANT DISEASES AND PROTECTION | 1988年 / 95卷 / 05期
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Q94 [植物学];
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071001 ;
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页码:449 / 467
页数:19
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