(RH) promotes germination of spores but inhibits spore production, so the net effect of the RH is very small. Wind and draught in greenhouses promote…
symptoms How to prevent Pierce's disease of grapevine Control vectors by using netting or applying insecticides Remove wild host plants and weeds to…
Article 4. Prices 4.1 Unless agreed otherwise, Koppert’s prices are always net and therefore exclusive of insurance, freight, duties, and VAT among…
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