The research was aimed at studying the effect of adding certain proportion chicken manure to cattle manure on compost below 0℃ with aerobic compost method, whi
A 45-day growth trial was conducted to investigate the effects of 4 concentrations(0,40,80,120 mg · kg-1) Zinc-Methionine(Zn-Met) supplementation on growth
In order to reduce the driving fatigue in sowing work,this paper based on heart rate(HR) as the main indicator to survey,tested and analyzed the fatigue conditi