
ABSTRACT Experiment about the effect of Investation Time and Population of Purple Nutsedge (Cyperus rotundus L.) growth and yield of cauliflora (Brassica pleracea on the subvar cauliflora DC.) with the supervision of Joko Purnomo; Didiek Suroto, and Andjarwani. This experiment was conducted from February 16, 1991 until April 17, at Bumirejo Village, Mungkid in Regosol soil type on altitude…