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- The content of total N and total P in rainfall could be increased by Pinus tabulaeformis and Rhus typhina. 油松、火炬能够增加降雨中总氮、总磷的含量。
- The content of Total N, Total P and Total K of Cole respectively increases 16.8%, 20.7%, 8.5% comparing with the area of reference. 固氮菌肥对油菜植株养分的影响较为明显;油菜植株含氮、含磷、含钾含量比对照区分别增加了16.;8%25、20
- The results showed that organic matter (OM), total N and alkali-hydrolyzable N enriched apparently, but total P and available P did not enrich. 结果表明:土壤受侵蚀后,有机质、全氮和碱解氮流失的“富集”现象明显,而全磷和速效磷却无明显的“富集”现象。
- The contents of total N, total P and OM were closely related to combined humus, but the contents of total K and CEC were not. 3种结合态腐殖质中,紧结合态与红壤养分(全氮、全磷和有机质)的相关性最高。
- Corn economic yield and biological yield were significantly related with soil organic matter, total N, alkali-hydrolyzable N, total P, and availabl P. 玉米产量及生物量与土壤有机质、全氮、碱解氮、全磷、速磷相关性达极显著或显著相关。
- Soil total P decreased linearly with time for gray desert soil, paddy soil and fluvo-aquic soil, but did not change significantly for other soils. 在试验进行5年左右,土壤全磷含量都有所降低,以后各点表现不尽相同,新疆灰漠土、长沙水稻土和郑州潮土全磷含量随时间延长呈显著直线下降,其它试验点全磷的变化不明显;
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- The result shows that area percentage with abundant or medium total N and K content accounts for 96.5% and 99% while total P content is relatively low. 结果表明:湖南洞庭湖地区土壤全氮、全钾含量适中或丰富的区域约占全区的96.;5%25和99%25,全磷含量略低;
- Furthermore, lime-pretreatment decreased the NH4+-N concentration and increased NO3--N and total K concentration but did not affect the pH, EC, NH4+-N/NO3--N and total P . 有利于堆肥中钾的浓缩; 对堆肥的pH、EC、w(NH4+-N)/w(NO3--N)和总磷的影响不大。
- In comparison with ammonium as sole N source, the ammonium nitrate nutrition increased root length, root surface area, root density, and total P uptake. 与单一的铵营养相比,铵硝混合营养增加了根长和根系的表面积、根系的密度以及磷的总吸收量;
- The results showed that the contents of organic matter,total N, total P, total K and alkali-hydrolysable N, available P, available K, pH value were obviously high. 结果表明,番茄保护地土壤的有机质、全氮、全磷、全钾、碱解氮、速效磷、速效钾均处于较高的养分水平。
- The total N in enviromental samples is commonly determined by K2S2O8-spectrophotometric method, and the total P is commonly determined by phosphatic molybdenum spectrophotometry. 摘要环境样品总氮的测定常用过硫酸钾氧化-紫外分光光度法测定,而总磷一般为磷铝蓝分光光度法。
- Water is recovered after neutralization and separation, suction pressure drying system is adopted for a lower loss and the total P recovery rate is increased to 74%, SSP consumption is decreased to 3.1 t/t and water consumption to 2.5 t/t. 中和分离后水回收使用 ;采用负压干燥系统 ;减少机械损失 ;使总磷收率提高到74%25 ;吨产品普钙消耗降至 3.;1吨;水耗降至 2
- Compared with check plots, organic matter, readily available N, total N, total P ard total K increased by 0.36%,16. 2mg/kg,0.023%,0.006% and 0.343% respectively, while green smut (rice) decreased by 66.7% . 化肥减少用量30.;04%25;促进了土壤肥力提高;有机质、碱解氮、全N、全P、全K等营养元素;分别比对照区提高0
- The results show that soil total P (P T), inorganic P, organic P, Olsen P and Bray P are high in MNPK, 1.5 (MNPK), MNPK (Soybean) and M treatments, followed by NP, PK, NPK, and SNPK treatments, and low in the treatments without P (N, NK and CK 2). 结果表明 :长期施磷 ;特别是磷肥和有机肥配合施用能明显提高土壤全磷 (PT)、无机磷、有机磷、Olsen- P和 Bray- P含量 .
- The results showed that the total N,total P,total K and soluble salt,such as HCO-3,SO24and Ca2+,increase from the rim to center of desert while the values of CO2-3,Mg2+,Cl-and Na+ are very low and show no remarkable trend. 研究表明:沙漠边缘至沙漠腹地,全N、全P和全K含量、EC、总盐,可溶性离子HCO3-、SO42-及Ca2+呈增加趋势。 CO32-、Mg2+、Cl-、Na+4种离子含量较低,变化规律不明显。
- Geo-statistics analysis of these data demonstrated that spatial variability of soil total P, Bray-P, CaCl_2 extractable P were obvious, and the high-P fields appeared at the shores of Zhudu, and Linzhuang harbors. 地统计学分析表明:土壤P(全P、Bray P、CaCl2浸提水溶P)呈明显空间变异;土壤高P区出现在朱渎港、林庄港两村庄附近.
- The results showed that the inoculants accelerated the decomposition of organic carbon, and increased the concentration of total P, inorganic P. and organic P in the final composting product. 结果表明,接种外源菌种能加速有机物的降解,使有机碳含量下降,这一浓缩效应提高了有机肥中全磷、有机磷、无机磷的含量;
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- The total N in enviromental samples is commonly determined by K_2S_2O_8-spectrophotometric method,and the total P is commonly determined by phosphatic molybdenum spectrophotometry. 环境样品总氮的测定常用过硫酸钾氧化-紫外分光光度法测定,而总磷一般为磷钼蓝分光光度法。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries