The humic acid resin was prepared using peat as material.
利用泥炭为原料制备腐殖酸树脂。
2
The results showed that alkali lignin of rice straw is a good fertilizer raw material. It has high dissociable humic acid content and good fertilizer efficiency.
结果表明，稻草碱木素具有较高的游离腐殖酸含量，其活性高， 肥效好；
3
The invention has characteristics of simple synthesis and cheap raw material, and the performance of prepared humic acid bonded silica gel is stable.