您要查找的是不是:
- The Formation of Iron Crust in the Soil Profiles of Fukien,China. 福建省土壤剖面中之聚铁层
- Approximately 40% of the applied insecticide in each orchard was residual in the soil profiles. 大约每一果园施用的40%25杀虫剂残留在土壤剖面中。
- Depth of first layer of soil profile. 土壤第一层厚度。
- The subsoil denitrification was the main N2O source of subsoil in loess soil.Appling nitrogen fertilizer would definitely increase N2O concentration in soil profiles. 深层土壤N2O的主要来源是土壤的反硝化作用,施肥显著地增加各土壤层次N2O的产生量。
- An understanding of the nature of these characteristics is an essential prerequisite to the study of soil profiles, soil types, soil productivity, and soil management. 了解这些特性是对土壤剖面、土壤类型、土壤生产力和土壤管理进行研究的一个必要的先决条件。
- The top layer of a soil profile,usually contains humus. 土壤层中的顶层,通常含有腐殖土。
- A layer loss in soil profile is a sign of soil nutrient loss. 土壤剖面中A层的流失是土壤养分流失的标志。
- This site offers images from the tropics e.g. pictures of soil profiles: aridisol in Peru, vertisol in Kenya, alfisol in Nigeria, mollisol in Thailand, spodosol in Brazil, laterite outcrops etc. 该站点提供大量热带土壤的剖面图,如:秘鲁的旱成土、肯尼亚的变性土、尼日利亚的淋溶土、泰国的软土、巴西的灰土、红土岩层等。
- The results show that there are some integrated soil mass configuration in all soil profiles,including A horizon,intergrading horizon(AB),sediment horizon(B) and material horizon(C). 结果表明:保护区内土壤保持有完整的发生层次,有明显的A层、过渡层(AB)、淀积层(B)与母质层(C);
- The distribution of the heavy mental elements (HMEs) in eluvial horizons, illuvial horizons and parent material horizons of 26 agricultural soil profiles in Hainan Island was studied. 采用现场采样及室内分析测试方法,对海南岛26个农业土壤剖面淋溶层、淀积层、母质层中7种重金属元素的分布特征进行研究。
- Vertical distribution of clay reflected the characteristics of pedological illuviation of the soil profiles, indicating that the soil profiles had undergone a long period of pedogenic weathering. 粘粒的深度分布反映土壤剖面淋滤淀积的特点,表明土壤剖面经受了长期成土风化。
- The magnetic susceptibility of the three soil profiles changes largely in whale, and the magnetic susceptibility becomes lower with the depth increasing, it may be by the effect of imbedding. 剖面的总体磁化率变化幅度较大,且从表层向下有降低的趋势,可能是由于沉积物磁化率的埋藏效应所致。
- Some of the mobilized elements may be reprecipitated at the base of the soil profile. 某些移出的养分可能在土壤剖面底层重新沉淀下来。
- Rainfall frequency and amount are thus crucial factors in determining the position of deposition in a soil profile. 降雨次数和降雨量是左右溶质在土壤剖面中沉积位置高低的决定性因素。
- Changes of nitrate-N accumulated in soil profile after changing grain crop land into vegetables land. 粮田改种蔬菜后土壤剖面硝态氮的变化。
- Dissipation increased with soil temperature and decreased with increasing depth in the soil profile. 消散随土温增加,随土壤剖面变深而减少。
- According to the soil profile analysis,the mobility of BaA and BkF was very strong in view of the even vertical distribution. 土壤剖面研究结果表明;BaA和BkF在土壤中的垂直分布比较均匀;显示其在土壤中具有很强的迁移能力.
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。
- During the growing period, HCO-3, Na+ and Cl-increased slightly though the total salt content within the soil profile did not increase. 生育期内土壤剖面上的平均盐分含量没有增加,但对土壤结构与作物有重要影响,Cl-、Na+、HCO-3有增加的趋势。
- According to spatial distribution of static sounding test data, the stationarity and ergodicity of the random fields of soil profile were verified. 根据静力触探实测数据,对土性剖面随机场模型的平稳性和各态历经性进行了验证。