Conclusion: Granulated capability which disperse drilling mud as fertilizer addition is good, disperse drilling mud can be primarily used as fertilizer addition.
结论：钻井废泥浆作为肥料添加剂成粒性较好，可初步用于制作复混肥。
2
Granulated urea has the advantage of greater hardness, better fertilizer effect and wider application.
大颗粒尿素具有硬度高、肥效好、用途广等特点。
3
This article is discussed the balanced nutrient absorption of plants, as well as the effect in prescription and use of granulated special composite mixing fertilizer.