The nitrogen mineralization - immobilization turnover(MIT) process in soil is closely connected with the capacity of nitrogen supply to plant and the loss of nitrogen to environment .
土壤氮矿化-固持周转（MIT）过程与土壤供氮力及氮素损失间存在密切关系。
2
The study was conducted to reveal the mechanism of mineralization-immobilization turnover(MIT) of organic fertilizer nitrogen and to provide scientific references for applying manure and fertilizer.
揭示有机氮肥的矿化-固持周转过程机理，为合理施用有机肥和化肥提供科学依据。
3
Electric contacts, magnetic turnover plate, photo-control liquid level controllers, accumulators, Nitrogen-filling vehicle, gas-filling tools, stop valves and high-pressure rubber tube assembly.