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- Effects of Phosphate Fertilizer and Organic Manure to the Yield of Chinese Cabbage and Soil Phosphorus Accumulation 大量施用磷肥和有机肥对白菜产量和土壤磷积累的影响
- Soil phosphorus accumulation 磷积累
- Data indicate the potential of soil phosphorus. 数据表明土壤磷潜势。
- Higher CO 2 concentr ati on increased use efficiencies of N and P (NUE and PUE), but did not affect relat ive nitrogen and phosphorus accumulation rates (RNAR and RPAR). CO2 浓度升高 ,氮磷利用效率 (NUE和PUE)提高 ,而对相对氮磷累积速率 (RNAR和RPAR)影响不大。
- 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。
- 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;
- 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。
- denitrifying phosphorus accumulation 反硝化聚磷
- denitrifying phosphorus accumulation bacteria 反硝化聚磷菌
- 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。
- Grain nitrogen and phosphorus accumulation 籽粒N、P累积
- 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
- sulfur and phosphorus accumulation 循环
- Besides nitrogen, soil phosphorus and potassium show a significant positive relationship, and therefore fertilizer, especially nitrogen should be fertilized in revegetated abandoned land. 因此在草地植被恢复与重建工作中应注意肥料施用,特别是氮肥的施用。
- Table 6. describes that the relationship between soil phosphorus and rice yield according to the biometrical results for test of soil phosphorus and their corresponding determination of yield. 表6根据土壤磷及其确定产量试验的生物统计结果描述了土壤磷和水稻产量之间的关系。
- By using a set of nulli-tetrasomics derived from Triticum aestivum"Chinese Spring",identification and genetic analysis were conducted on the tolerance to soil phosphorus deficiency stress. 摘要 以普通小麦中国春的一套缺四体为材料,对其耐低磷胁迫特性进行鉴定和遗传分析。
- The results show that the anaerobic sludge from A2/O technology has 52% phosphorus accumulating organisms bearing denitrifying and removing phosphorus. 研究结果表明,在A2/O厌氧段中占聚磷菌总数52%25的菌具有同步反硝化聚磷的生物学特性。
- The capacity of soil phosphorus supply 土壤供磷
- measurement of available soil phosphorus 测定土壤中有效磷
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