soil compaction is one of the most prevailed limitations for crop growth. the use of organic matters as fertilizer on agricultural soils can reduce the effects of soil compaction and provide the nutrients for the plants. so, a factorial experiment was carried out in a randomized complete blocks design with three replications. the first factor was the source and amount of organic fertilizer (far...

The combined process of A 2 /O oxidation ditch, high efficiency sedimentation tank and denitrification deep bed filter was adopted in Sewage Treatment Plant Hefei City to treat municipal domestic sewage. effluent quality could meet the discharge limit major water pollutants urban sewage treatment plants industrial industries Chaohu Lake Basin (DB34/2710-2016). In addition parameters design oper...