netherlands 188 nederland 187 akkerbouw 110 arable farming 110 aardappelen 82 potatoes 82 Life Science 81 gewasbescherming 80 plant protection 80 bemesting 77 fertilizer application 77 onkruidbestrijding 59 weed control 59 nitrogen 53 stikstof 53 solanum tuberosum 52 glastuinbouw 48 greenhouse horticulture 48 biologische landbouw 40 organic farming 40 graslanden 34 grasslands 34 nitrogen fertilizers 34 pesticiden 34 pesticides 34 stikstofmeststoffen 34 cropping systems 33 drift 33 teeltsystemen 33 chemical control 31