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- prehistoric paddy soil profile 土壤剖面
- Nitrate distribution and accumulation in soil profile in Entisol in northshaanxi, Anthrosol in Guanzhong plain, Paddy soil in southshaanxi, were studied and the relationship between soil texture and nitrate leaching was described in this paper. 研究了陕北黄绵土,关中土与陕南水稻土土壤剖面中硝酸盐的分布与累积,分析了硝酸盐淋移与土壤剖面粘粒含量的关系。
- Characteristics of prehistoric paddy soils 古水稻土的特征
- Depth of first layer of soil profile. 土壤第一层厚度。
- Effects of oxyfluorfen on the anaerobes in paddy soil were studied. 探讨了各种浓度的果尔对水稻土中厌氧细菌群的影响。
- 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。
- Fig.4 The possibly engender range of cold spring paddy soil by predicted. 现有冷浸田分布范围;2、预测可能增加的冷浸田范围;
- Changes of soil chemical properties after transferring acid sulfate paddy soil to upland soil. 酸性硫酸盐土水改旱后土壤化学性状的变异初报。
- Phosphorus loss with runoff from a side bleaching paddy soil under continual P application in Taihu Lake Region. 太湖地区侧渗水稻土连续施磷处理下稻田磷的径流损失
- 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。
- Rice paddy soil has oxic-anoxic interfaces where methane consumption and ammonia oxidation might happen simultaneously. 稻田生态系统中存在着好氧微域,其中同时发生甲烷氧化和铵氧化。
- 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。
- The order of Df (desorption factor) value was: yellowish red soil>silt-loamy soil>kaoline>perlite>paddy soil (loamy clay) >kieselguhr. 解吸因数的大小排列顺序为:黄红壤、粉泥土、高岭土、珍珠岩、青紫泥、硅藻土。
- 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。
- The correlation didn't reach significant level. 0.2 molL-1 K2SO4 wasn't the suitable available Se extractant for paddy soil. 2 molL-1 K2SO4对土壤硒的浸提量低,与植株含硒量间的相关性不显著,不适宜作水稻土有效硒的提取剂。
- 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。
- Results showed that the amounts of bacteria, fungi and actinomycetes in paddy soil in CRNF treatment were higher than those in CK treatment. 结果表明,短期施用控释氮肥稻田土壤的细菌、真菌和放线菌数量明显高于不施氮处理;
- The paddy soil probably had a long history of tillage, and furthermore it had formed gley horizon and illuvium, but its fertility was not high either. 水稻土有较长耕作历史,并已形成了潜育层和潴育层,但土壤肥力并不高。
- Mefenacet disappeared more quickly in paddy soil than in glebe, revealing that its disappearing processes were different. 水田条件下苯噻草胺消失速率比旱田条件下快,但消失类型不同。