查询词典 infertile soil

Theradial range of the root-soil ecoboundary was 60μm inside and 40μm outsideof root surface with variation space of 100μm 40μm inside and 20μm outsidewith variation space of 60μm,30μm inside and 90μm outside with variationspace of 120μm and 20μm inside and 10μm outside with variation space of30μm using N、P、K and Mg concentration as a characterization parameterrespectively.

运用电子探针技术对红松幼苗根土生态界面进行定量的点分析，并依据界面中营养元素的浓度梯度对根土生态界面进行刻画，结果表明，以N来刻画，其根土生态界面的范围是从根60μm到土40μm(以根表为分界线，分别向根组织方向和土壤方向测点)，变动空间是100μm；以P刻画的根土生态界面的范围是从根40μm到土20μm，变动空间是60μm；以K刻画的根土生态界面的范围是从根30μm到土90μm，变动空间是120μm；以Mg来刻画，其根土生态界面的范围是从根20μm到土10μm，变动空间为30μm。

Due to their rapid growth and strong root system, they also help reduce soil erosion.

由于他们快速的生长和强壮的根系系统，他们能有效减少水土流失现象。

For a healthy root system, water must be able to pass quickly through the soil.

一个健康的根系，水必须能够迅速通过，通过土壤。

The soil microorganism research of root system for transgenic cotton has important theoretical and practical significance.

开展转基因棉花的根际土壤微生物研究具有十分重要的理论和实践意义。

The rootage of Vetiver grass is very large that could be down to 2～3 meters. It was very known as a ideal plant of soil and water conservation in many countries all over the world.

0 0 1年 1月在广州召开的国际香根草大会上，专家们对香根草在固土保水、抗污染等方面的作用给予了充分的肯定。

In order to find out primary and secondary factors influencing the power dissipation of corn rootstalk treatment device of no-tillage planter, soil-bin experiment was carried out in the laboratory. The power dissipation model of the device was set up based on the quadratic regressive orthogonal test of the influencing factors.

为找出影响免耕播种机玉米根茬处理装置的功率消耗的主次因素，对新研制的免耕播种机玉米根茬处理装置进行了室内土槽试验研究，对影响作业功耗的因素采用二次旋转回归正交试验，建立了玉米根茬处理装置的功耗模型。

Agricultural engineering ; driven disc cutting corn rootstalk device ; experimental research ; no-tillage planter ; soil bin

农业工程；驱动圆盘根茬处理装置；试验研究；免耕播种；土槽

A rooty patch of soil.

土壤中多根的一小块地

Rorty's moral and political pragmatism does this not by joining the old and the new, the present and the possible, the soil and the flower, in a theory, but in stories of how our life is and how it could be better.

罗蒂的道德和政治实用主义作到这一点，并不是靠在一个理论中将旧的和新的、现实的和可能的、土壤和花连在一起，而是通过一些关于我们的生活是什么以及如何可能变得更好的故事来实现的。

This review focused on the transformation of SOC by three typical soil-feeding macrofauna, termite (Isoptera: Termitidae), rose beetle larva (Coleoptera: Scarabaeidae) and earthworm (Oligochaeta: Lumbricidae), using 14C isotope tracer technique. The microbial activities related to the transformation processes are also discussed.

本文综述了3种典型土食性大型土壤动物，白蚁(Isoptera： Termitidae)、甲虫幼虫(Coleoptera： Scarabaeidae)和蚯蚓(Oligochaeta： Lumbricidae)，对土壤稳态有机C降解转化的14^C示踪研究结果及相关的微生物作用。

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