Effect of Bio-extracts on yield of Pak-choi (Brassica chinensis)

Abstract

Bio-extract have very important role for agricultural productivity. The purpose of this research was to compare effect of Bio-extract on yield of Pak-choi (Brassica chinensis). There are Experimenting and sampling in Integrated Farming Demonstration center (KM 13) Faculty of Agriculture and Forestry, Champasack University. If was found that The control treatment was chemical fertilizer formula 46-0-0 (2.190 kg per ha), the Cherry shell-extract (1,716 kg per ha), The morning Fory-extract (2.041 kg per ha). The Pak-choi-extract (2,297) and The Kale-extract (1,747 kg per ha) Non-Significant.