About the players to use some way to summary from a bad habit, so can improve the hu CARDS.
2
长期施用有机肥能提高胡敏酸的含量,施用无机化肥可提高富里酸降低胡敏酸的含量。
Application organic fertilizer for long time can improve the content of humus, and inorganic fertilizer can enhance the content of Fulvic acid, decrease the content of humic acid.
3
以经过胡萝卜素富集、干燥所得到的高胡萝卜素含量的胡萝卜渣粉为原料,进行提取条件优化研究。
The optimized extraction conditions were studied on powdered carrot waste with high contents of carotenes gained by enrichment and freeze-drying.