GENERAL ASPECTS IN PLANT PROTECTION
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BTPLANT PEST CONTROL + PLANT DISEASE CONTROL
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UDC632,61
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Descriptor GERALLGEMEINE ASPEKTE ZUM PFLANZENSCHUTZ
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Descriptor ENGGENERAL ASPECTS IN PLANT PROTECTION
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Descriptor FREASPECTS GÉNÉRAUX DE LA PROTECTION DES PLANTES
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NTPLANT PROTECTION LAWS + PLANT PROTECTION REGULATIONS
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NTDAMAGE THRESHOLD + INFESTATION PROGNOSIS (CROP PROTECTION)