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- Effect of long-term single application of chemical fertilizer on soil properties and crop yield. 长期单施化肥对土壤性状及作物产量的影响。
- Effects of rice straw mulch and water-retaining agent on soil properties and crop yield. 施用保水剂和稻草覆盖对作物和土壤的效应。
- The correlation of the degradation parameter with some known soil properties was statistically analyzed. 结果表明地乐酚的降解主要是生物降解。
- Based on soil properties and suitability assessment, effect of remediation technologies on reclaimed land is discussed. 并根据临时用地的土壤特性分析和适宜性评价结果,探讨了临时用地的复垦技术及其对复垦土地的影响。
- Title: Soil properties and water holding capacities of Michelia macclurei,Schima superba and Castanopsis fissa stands. 关键词:阔叶纯林;水源涵养;土壤物理性质;养分;微生物;酶活性
- The effects of FC on soil properties,moisture,and seed bank in the Shapotou region were investigated in this paper. 在沙坡头人工固沙植被区调查了掘穴蚁对不同固沙年代和不同地形人工固沙区土壤的影响;
- Similar variables representing soil properties were also measured in a field infested with S. canadensis. 加拿大一枝黄花还促进了微生物的矿化速率和铵化速率, 这表明该物种提高了土壤无机氮和铵氮的供给。
- Moreover, some effective measures for decreasing the occurrence of pest and disease on street afforestation trees are put forward in terms of the improvement of soil properties. 从改善街路土壤性质入手,提出了相应的减少街路绿化树木病虫害发生的有效措施。
- Trangmar, B. B., R. S. Yost, and G. Uehara (1985) Application of geostatistics to spatial studies of soil properties: Adv. Agron., vol. 38, p. 45-94. 李俊延(1997)台北盆地S波速度构造。国立中央大学地球物理研究所硕士论文,共123页。
- Research advances in soil persistence characteristics of toxins released by transgenic Bt crops and their relationships with soil properties. 转Bt基因作物毒素土壤存活特性及与土壤性质的关系研究进展
- More attention was paid to subareas dividing and values assigning to topographical elements, air temperature, rainfall, soil properties and RCN. 文中对亚区划分和地形要素、气温、降雨、土壤特性和径流曲线系数的赋值给予了较多的注意。
- Qin H L, Gao W S, Ma Y C, Yang S Q, Zhao P Y.Effects of no-tillage on soil properties affecting wind erosion during fallow in ectone of north China. 秦红灵;高旺盛;马月存;杨世琦;赵沛义.;免耕对农牧交错带农田休闲期土壤风蚀及其相关土壤理化性状的影响
- Topography and land use types are key factors which affect soil properties variability on catchment scale in the loess hilly area. 摘要在黄土高原小流域尺度上,地形和土地利用是影响土壤变异的重要因素。
- In order to get soil properties and yield information in field, the total 63 sampling points from a 50 m×50 m sampling grid of 13 3 hm 2 winter wheat field were obtained. 为研究田间空间变异性信息和采样策略 ;对 13.;3hm2 冬小麦田以 5 0 m× 5 0 m栅格测得 6 3个数据 ;
- Here,the effects of invasive Canadian goldenrod (Solidago canadensis) on soil properties were examined both in common gardens and under natural conditions. 土壤是生态系统的重要组成部分,植物入侵对土壤特性的影响已引起了生态学家的普遍关注。
- Xiong Y.M., Xia H.P.*, Li Z.A., Cai X-a, Fu S.L. 2008.Impacts of litter and understory removal on soil properties in a subtropical Acacia mangium plantation in China. 顾伟,李志安*,邹碧,谭万能,丁永祯,2007,华南热带人工林土壤有机碳含量及其稳定性特征,热带亚热带植物学报,15(5):369-376。
- It showed that: when some cement was added to loess, loessic soil properties were improved, water content decreased and both compactness and shear strength of soil increased. 研究表明,黄土中掺入水泥搅拌后,土的性质得到改善,降低了土的含水量,提高了土的密实度及土的强度;
- Wu Y, Liu Q, Qiao Y K, Pan K W, Zhao C M, Chen Q H.Species diversity changes in subalpine coniferous forests of different restoration stages and their effects on soil properties. 吴彦;刘庆;乔永康;潘开文;赵常明;陈庆恒.;亚高山针叶林不同恢复阶段群落物种多样性变化及其对土壤物理性质的影响
- Taking Hengshan County as a case, the relationships of land types, soil properties and topography were analyzed at two different scales using CCA method. 以横山县为例,从两种尺度上,利用野外调查,实验室分析和典范对应分析(CCA),得到不同尺度下(小流域尺度和县域尺度)土壤理化性质对环境因子的响应。
- Here, the effects of invasive Canadian goldenrod (Solidago canadensis) on soil properties were examined both in common garden and under natural conditions. 土壤是生态系统的重要组成部分,植物入侵对土壤特性的影响现在已成为入侵后果的研究热点。