Pemberian Pupuk Ab Mix Pada Tanaman Pakcoy Putih (Brassica Rapa L.) Dengan Si…

ABSTRACT This research aimed to obtain the proper nutrient concentration and the best nutrient concentration and increase the growth and yield of pakcoy through the floating hydroponic system. The research was conducted in the Experimental Garden of the Faculty of Agriculture, University of Riau from October to November 2019. The research used a non-factorial completely randomized design …