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- Organic acids are normal constituents of most agricultural soils. 有机酸是大多数农业土壤中通常的组分。
- Agricultural soils are the ultimate recipient and depository of most applied foliar and soil pesticides. 喷撒于叶面和用于土壤的农药大多以农业土壤为其最终受体和贮存场所。
- The main agricultural soils in Changge city were comprehensively evaluated by using the technology of GIS and SPSS. 运用GIS和SPSS技术 ,对河南省长葛市主要农业土壤肥力进行综合评价。
- K.Zhang, S.Li, W.Peng and B.Yu: Erodibility of Agricultural Soils on the Loess Plateau of China. 彭文英,张科利,江忠善:黄土高原坡耕地退耕还草的水沙变化特征。
- The empirical equation W=ASB was used to fit water holding capacity of four kinds of agricultural soils in loess Plateau. 黄土高原四种主要农业土壤的水分特征曲线并无明显的平台或拐点产生,其关系能够很好地用Garden经验方程(W=AS~(-B))进行拟合。
- These deposits help build agricultural soils in the Bahamas and supply nutrients for plants in upper canopies of rain forests in Brazil. 这些基础帮助巴哈马群岛建立农业土壤和巴西供应植物养分的热带雨林。
- The P sorption index(PSI)and the degree of P sorption saturation(DPSS)have been suggested as indicators for the risk of P loss from agricultural soils. 土壤对磷具有一定的固定能力,可以采用土壤磷吸持指数(PSI)和吸持饱和度(DPSS)来表征土壤中的磷向水体释放的风险。
- Serious deterioration of agricultural soils will occur worldwide, due to erosion, loss of organic matter, desertification, salinization, alkalization, and waterlogging. 因为侵蚀,有机质的丧失,沙漠化,盐碱化和水涝的原因,农业用地的严重退化将在世界范围内发生。
- Gao HJ , Jiang X, Wang F, Bian YR, Wang DZ, Deng JC, Yan DY.Residual level of chlorinated POPs and estimation of their new input in agricultural soils of Taihu Lake Region. 郜红建;蒋新;王芳;卞永荣.;老化对六六六在土壤中可提取态含量及其生物有效性的影响
- Heavy metal contamination of agricultural soils as a result of industrial discharge is a serious threat to human and animals' health because bioaccumulation in the food chain. 由于工业“三废”的排放,使农田遭受不同程度重金属的污染,重金属通过在作物体内富集进入食物链,对人畜健康构成了威胁。
- Holmgren G G S,Meyer M W,Cahney R L,et al.Cadmium,lead,zinc,copper and nickel in agricultural soils of the united states of america[J].Environ.Quality,1993(22):335. 徐加宽;杨连新;王志强;等.;土壤铜含量对水稻生长发育和产量形成的影响[J]
- This isotopic trend has been explained by the growing importance of agricultural soils as a source of N2O and its relatively depleted isotopic signature (Perez et al. 2001). 这同位素的趋势已经解释的重要性日益增加农业土壤中的一个来源N2O和其相对枯竭的同位素签名(佩雷斯等人。2001年) 。
- Heavy metal contamination of agricultural soils as a result of industrial discharge is a serious threat to human and animals' health because of bioaccumulation in the food chain. 摘要由于工业“三废”的排放,使农田遭受不同程度重金属的污染,重金属通过在作物体内富集进入食物链,对人畜健康构成了威胁。
- The increasing input of phosphorous into agricultural soils in this area has become an important environmental problem, including the eutrophication of Lake Tai. 农业土壤中磷的使用量的增加正成为一个重要的环境问题,包括太湖的海藻污染问题.
- Influence of rare eatrth elements on chemical transformation of nitrogen in agricultural soil. 施加外源稀土元素对土壤中氮形态转和有效性的影响。
- The Environmental Capacity of Copper, Zinc, Nickel in Agricultural soil in Nanhai, Guangdong. 广东省南海市农业土壤中铜锌镍的环境容量
- Understanding spatio-temporal variability of exchangeable potassium(K) in agricultural soils plays a key role in improving the quality of agricultural soil and products. 作者单位:土壤与农业可持续发展国家重点实验室中国科学院南京土壤研究所;
- Paraquat polluted experiment on the agricultural soil animal be taken in this project. 应用克无踪农药对农田生态系统土壤动物进行污染模拟实验。
- The loss of bioavailable phosphorus (BAP) from agricultural soil to surface waters in runoff can accelerate the eutrophication of receiving waters. 本文通过模拟降雨径流实验,运用两种生物可利用磷(BAP)的化学浸提方法,在1。
- Scientists in West Country, mainly in US and Canada, are seeking to sequester C in agricultural soil (C sink) to offset their commitment to the Kyoto act. 以美国和加拿大为代表的发达国家正在热衷于研究农业土壤作为大气CO2 的“汇”。