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- Risk evaluation of agricultural soil phosphorus release to the water bodies 农田土壤中的磷向水体释放的风险评价
- Huang QH.Wang ZJ.Wang DH.Ma M Jin XC Environmental soil phosphorus testing and phosphorus release in Taihu Lake,China 2004(4 马立珊.;骆永明
- W McDowell.A N Sharpley.L M Condron.P.M.Haygarth P.C.Brookes Processes controlling soil phosphorus release to runoff and implications for agricultural management 2001 张洪江.;程云
- soil phosphorus release 土壤磷释放
- Phosphorus saturation degree of soils on vegetable farms and its effects on soil phosphorus release potential and water quality 蔬菜地土壤磷饱和度及其对磷释放和水质的影响
- Data indicate the potential of soil phosphorus. 数据表明土壤磷潜势。
- Larger water-soil ratio, higher temperature and weak acidity or weak alkalinity can accelerate the phosphorus release. 在高水土比、高温、浸泡水呈微酸或微碱条件下有利于受淹土壤磷的释放。
- Biological N-P removal involves in processes such as nitrification, denitrification, phosphorus release and uptake. 就氮磷脱除而言,一般需涉及硝化、反硝化、微生物释磷和吸磷过程。
- Studies on Wheat Germplasm Screening Method for Efficient Utilization of Soil Phosphorus. 有效利用土壤磷的小麦种质筛选方法研究。
- The total phosphorus requirement is relative to the potential of soil phosphorus and nitrogen fertilizer application. 总磷需求量与土壤磷潜力和施用氮肥有关。
- When DO<1 mg/L, the cooperation of the displacementand reduction happens, and the phosphorus release of the sediments speeds up greatly. 溶解氧小于1mg/L,发生了置换作用与还原作用的协同作用,底泥中磷的释放速度大大加快;
- Abstract: The phosphorus release and absorption of surficial sediments in Taihu Lake was studied under simulative disturbing conditions. 摘 要: 利用恒温震荡器构筑的模拟扰动环境,研究了太湖水-沉积物界面的磷释放和吸附行为。
- The MBC of soil phosphorus was decreased while phosphorus desorption rate increased with increasing rate of phosphate fertilizer and manure. 单位量磷肥所增加的土壤易解吸磷随着磷肥用量和土壤磷水平的增加而增大;
- The research is helpful to our understanding of effects of Vallisneria asiatica on the environment of water and the possible diurnal variation of phosphorus release in sediment. 试验结果为进一步研究沉水植物对水体中环境因子影响的日变化特征和影响机理,以及底泥磷释放可能存在的日变化具有一定的参考价值。
- Lu W L,Wang J G,Cao Y P,Zhang F S.Kinetics of phosphorus release from soils,as affected by organic acids with low-molecular-weight[J].Acta Pedologica Sinica,1998,35(4):493-499. [4]陆文龙;王敬国;曹一平;张福锁.;低分子量有机酸对土壤磷释放动力学的影响[J]
- Compared with badlands under long term disturbance, four forest restoration types had significant effects in decreasing soil phosphorus and potassium loss. 与长期人类干扰下的荒坡地相比,各森林恢复类型均有减少和防止土壤磷、钾素流失的作用,以油茶林和天然次生林的效果优于湿地松林和杉木林。
- A recirculating flume simulated experiment was carried out to estimate phosphorus release properties and infection in different layers of flooded soils. 采用土槽模拟实验研究了淹水土壤不同土层磷释放特征及影响因素。
- The Study on Phosphorus Release From Submarine Soil 受淹土壤中磷的释放研究
- Summarizing phosphorus fertilization under minimum and no tillage, it can be said that surface broadcast applications generally work very well in terms of plant uptake and for maintaining adequate soil levels of available soil phosphorus. 综上所述,免耕制和少耕制下磷肥的施用,从植物吸收的角度和从维持足够有效水平的角度来考虑,地表撒施一般效果很好。
- Jia Yu, Xu Bing-cheng, Li Feng-min, Wang Xiao-ling.2006. Availability and contributions of soil phosphorus to forage production of seeded alfalfa in semiarid Loess Plateau. Acta Ecologica Sinica, in press. 贾宇;徐炳成;李凤民;王晓凌.;2006