[Danish Research Service for Plant and Soil Science, Weeds, 3: Results from testing of herbicides and growth regulating substances in horticultural crops, plant nurseries, forestry and shelter belts [Heracleum sphondylium, grasses, Allium, Spinacia oleracea, cabbages, Zea mays, Pisum sativum, windbreak trees]]

abies application methods beetroot betula carpinus clima climat climate convallaria crataegus ensayo escarda fagus fraxinus growth inhibitors herbicidas herbicide herbicides huerto frutal inhibidores del crecimiento lit de semence malus orchards picea quercus remolacha retardateur de croissance ribes rosa rubus testage testing verger weed control