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Effects of different organic fertilizers on soil labile organic matter and enzyme activity Study on Belt Seeding of Low Cost by Using Carrier of Several Kinds of Waste Materials Energy,Material and Value Transfer and Utilization in Multi-grade utilization of Organic Waste Materials Ecological engineering of using cellulose bonding carrier of wasted materials for belt seeding establishment Turf Established by Sod with Municipal Solid Waste Compost as Medium and Waste Materials as Netting