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- soil test phosphorus level 土壤测试磷
- Phosphorus is an important nutrient for animals and plants, the phosphorus level in soil determines the effect of phosphatic fertilizer. 摘要磷是动植物生命活动离不开的重要营养元素，土壤的供磷水平是决定磷肥肥效的主要因素。
- A soil test should be done annually, each year in the same month. 每年在相同的月份都要进行土壤测试。
- Effect of different nitrogen and phosphorus level on growth and quality of Salicornia bigelovii Torr. 不同氮磷水平对北美海蓬子生长和品质的影响。
- Soil testing and fertilizer recommendation. 以土壤测试为基础的推荐施肥技术。
- At the same phosphorus level, GSA of spinach shoot increased pronouncedly with increasing NH4(superscript +)-N in nutrient solutions. 在磷素水平相同时，随着营养液中铵比例的增加，菠菜茎叶中GSA显著增加。
- Morel C,Tunney H,Plenet D.Transfer of phosphorus ions between soil and solution:perspective in soil testing[J].Journal of Environment Quality,2000,29:50-59. 陈利顶杨福林等.;异质景观中非点源污染动态变化比较研究[J]
- The trials results showed that if the phosphorus level in the broiler diet is too low,phytase supplementation carl not improve the animal performance. 整个研究试验的结果表明：过低的日粮水平，即使添加植酸酶也不能有效地保证鸡的正常生产性能。
- Serum calcium level also increased ( P <0 05) but serum phosphorus level did not change, compared with the OVX group.Conclu... 结果还显示;龟地散对血清钙水平有显著升高作用(P<005);但对血清磷水平的影响却不明显。
- Do a lab soil test before seeding so that results are in hand prior to establishment day. 在播种前做一个土壤分析,在播种时拿到土壤分析报告。
- Wroth, C.P., 1984, “The interpretation of in situ soil test,” 24th Rankine Lecture, Geotechnique, Vol.34, No.4, pp.449-489. 蔡锦松,刘衍志,周立德,刘福镇,2001,“标准贯入试验与能量检测,”地工技术,第83期,第5-12页。
- Based on many soil test using modified odemeter, the paper research the consolidation deformation properties of GuangXi marine ooze. 本文利用改装的固结仪,通过大量的室内土工试验,对广西海相淤泥这种典型饱和软粘土的固结变形特性进行了系统地研究。
- Where wheat was fertilized with N only, P released from organic matter met crop needs, and soil test P gradually declined. 当小麦只施用氮肥时，用有机质释放的磷来满足作物的需要，土壤有效磷逐渐下降。
- Band and broadcast applications tend to be equal when soil test levels are high, the soil is warm and moist, and the P is thoroughly incorporated. 当土壤有效磷水平较高，土壤温暖湿润以及磷肥充分混匀的条件下，条施和撒施磷肥的效果相当。
- However, it is unknown if serum phosphorus levels influence vascular risk in individuals without CKD or CVD. 然而无机磷水平在没有慢性肾病或心血管疾病的个体中是否影响其血管事件的危险仍然不明确。
- Recently,the test means adopted widely are AA and ICP, but photometry and polarography still occupy a certain position in soil test of trace elements,because of their handy equipments and the improvement of their sensitivity and accuracy. 现代测试手段发展到广泛采用原子吸收光谱(AA)和电感耦合等离子体发射光谱(ICP),但比色法(光度法)和极谱法不仅设备比较简便,而且新的显色剂、催化系统等方面的研究进展,使其对某些元素的测定灵敏度和准确度超过AA和ICP,从而在微量元素测试技术中仍占据一定地位。
- The institutepossesses more than one hundred sets of equipment, such as engineering drill, test apparatus, intelligent total station electronic tachometer,GPS and other geophysical , soil test, mineral and rock analysis equipment and instrument. 拥有各类工程钻机、试验仪器、智能全站仪、GPS全球一位系统等先进勘察设备及配套仪器一百多台套，物探化探、测量测绘、土工试验和化学分析设备齐全，计算机系统先进，完成数百项大中型勘查及施工项目。
- The soil tested was derived from river alluvial material, selected soil characteristics are given in Table1. 供试土壤衍生于河流冲积物，土壤主要农化性状由表1给出。
- The first commercial soil testing laboratory was established by the Australian Fertilizers Limited in NSW in 1963. 澳大利亚肥料股份有限公司于1963年在新南威尔士州首先建立了第一个商业性土壤测试实验室。
- Recent research and progress of ion exchange resin membrane (IEM) in soil testing were summarized. 综述了国内外离子交换树脂膜（膜型树脂）的研究进展；
