Translations:Benutzer:Arian/Klett-Mini-Test/919/en

Cover crop cultivation inserts itself wherever, between the harvest and the new sowing of the main crops, temporal gaps arise. Where these are short — for example, between a cereal crop vacating the field late in summer and the new sowing of a winter crop in autumn — only fast-growing crucifers can be introduced as stubble sowings: summer rape, mustard, oilseed radish. These grow with their taproot, richly branched, down into the depths, provide nutritive humus and earthworm activity into the subsoil, and through shading generate a microclimate in which the soil animals find ideal conditions for their humus-building