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Is chemical weed control in winter rape economically justifiable?



Is chemical weed control in winter rape economically justifiable?



Gesunde Pflanzen 26(8): 170-173



In the German Federal Republic, where, in N. Hesse for example an estimated yield increase of 2.5 quintals per/ha. would be required to offset the cost of chemical weed control in winter rape, pre-sowing and pre-emergence herbicides are not necessarily an economic proposition, particularly under favourable growing conditions or where high seed rates and narrow row-spacing allow the crop to compete effectively at an early stage.

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Accession: 000125113

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