Effects of Different Nitrogen Rates on Sorghum Growth,Biomass and Cyanoside Accumulation
Liaonuo 11 sorghum was used as experimental material to study the effects of 5 different nitrogen application levels on its growth,biomass and cyanoside accumulation.The results showed that different nitrogen application levels had no significant effect on plant height.With the increase of nitrogen application rate,the stem diameter,leaf length,leaf width,fresh weight and dry weight of sorghum increased first and then stabilized.The content of zea cyanoside in roots,stems and leaves also increased first and then decreased with the increase of nitrogen ap-plication rate.