查询词典 infertile soil

Peaty soil contained high content of organic matter, but it was too aci dic and infertile with respect to available nutrients and therefore was hard to be directly utilized.

泥炭土有较高的有机质含量，但土壤过酸，速效养分含量过低，难以直接利用。

Jatropha grows wild in many areas of India and even thrives on infertile soil.

麻风树属增长狂放在印度的许多地区和在瘠薄土壤上甚而兴旺。

Graceman is located in Bordeaux, a statutory place for grape-growing in France with sufficient sunlight and infertile but stony soil which have created the ideal environmental for grape vines, and produces the best grapes in the world.

戈斯曼酒庄位于法国法定产区波尔多，日照充足、土壤贫瘠而多石，缔造出无与伦比的葡萄树生长环境，产出上等的葡萄。

The results indicated that soil bacterial number decreased significantly (P.01), and soil fungi number also decreased (P.05), but not as significant as the decrease of bacterial number. The amount of soil actinomycosis decreased (P.05) under elevated CO2 in the non-rhizosphere soil of P.

结果表明：高浓度CO2（700μmolmol^(-1)和500μmolmol^(-1)）处理对长白赤松和红松幼苗非根际土壤细菌数量具有显著的(p.01)抑制作用，对真菌数量亦有抑制作用。

The rhizosphere soil microorganism and rhizosphere soil enzyme activity werepositive correlated with each other.Except aerobic bacteria and actinomycetes andfungi did not achieve significant or extreme significant correlation with urease,theother factors all achieved significant or extreme significantcorrelation.Besides,through a correlation analysis between rhizosphere agrobiologyand rhizosphere soil nutrient,except rapidly available K was negative correlation with urease and catalase,the other agrobiology factors were positive correlation with soilnutrient, aerobic bacteria and sucrase and catalase were extreme significantcorrelation with alkaline hydrolytic N and organism matter and rapidly available P;actinomycetes was extreme significant correlation with all soil nutrient factors;fungiwas extreme significant correlation with alkaline hydrolytic N and organism matterand rapidly available P, significant correlation with rapidly available K;urease wasextreme significant correlation with alkaline hydrolytic N, significant correlation withrapidly available P.

本试验所测定的根系土壤微生物与根系土壤酶活性间均呈正相关，除了好、气性细菌、放线菌、真菌与脲酶间未达到显著或极显著相关外，其余因子间均呈显著或极显著相关；此外，通过根系土壤生物学因子与根系土壤养分相关分析，发现除了速效K与脲酶、过氧化氢酶呈负相关外，其余生物因子与土壤养分因子间均呈正相关，其中，好气性细菌、蔗糖酶、过氧化氢酶与水解N、有机质和速效P极显著相关；放线菌与所有养分因子间均极显著相关；真菌与水解N、有机质和速效P极显著相关，与速效K显著相关；脲酶与水解N极显著相关，与速效P显著相关。

In addition, using plant growth promoter can improve N utilization ratio of Chinese cabbage to the soil notably, and increase total amount of microorganism in soil. Moreover, it can raise soil buffer capacity, and make sour alkali degree of soil suitable for the growth of Chinese cabbage.

同时该植物生长促进剂可提高植物对土壤中氮素的利用率，增加土壤中微生物的总量，提高土壤缓冲能力，使土壤的酸碱度更适合植物的生长。

Lower the existing soil and emerging into the soil parent material (such as volcanic ash and alluvium, as well as eroded soil) on, are actively engaged in the process of soil formation.

在现有土壤的下层和新出现的成土母质（如火山灰和冲积物以及被侵蚀的土壤）上，都在活跃地进行着成土过程。

Olyacrylamide, as an ameliorant of soil structure, is the ameliorant of soil in the aspect of water conservation, fertilizer conservation and yield increase, with a new product named PAM made in French as a material, we adopt simulating and field experiments, using Yang ling soil, to study the effect of PAM on soil structure and fertilizer eluviations systematically.

AM(聚丙烯酰胺，Polyacrylamide，简称PAM)作为土壤结构稳定剂，具有改土、保水、保肥、增产等效应。

Air permeability of field soil was obtained k1=4.8446×10^(-12)m^2 by soil column method. Meanwhile, relative permeability curve of air-water was gained by biphase flowing experiment. During experiment period, average of soil water content was 0.2689g and pH value was 7.0-8.5. The quantity of aboriginal animalcule went down sharply after pouring contamination into the ground and then rose gradually to its original level which was 10^7 (unit g1dry soil).

采用土柱法测得现场土壤的空气有效渗透率为k1=4.8446×10^(-12)平方公尺，通过气液两相流动试验得到气－液相对渗透率曲线；试验期间土壤平均含水量为0.2689g，pH值在7.0-8.5之间；微生物含量在注入污染物及营养盐后先下降后回升，驯化后期细菌密度达10^7（个g^(-1)干土）数量级。

A study on the dynamics of soil bulk density,soil organic matter,soil microbes and other soil ecological factors under different human disturbance (logging and assart,logging but without assart,control)were conducted in the Ziwuling secondary forest area.

：对黄土高原陕西子午岭次生林区不同人为扰动条件下林地土壤容重、有机质、团聚体和微生物等进行了研究。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48