查询词典 water and soil

There were four treatments on the hillside: artificial forest with underbrush, artificial forest without underbrush, planting tea bush on contour terrace, barren on contour terrace. The runoff depth, runoff index, water loss, soil erosion and soil organic matter erosion to the 4 treatments during 4 rainfalls were determined by using the Runoff Collector.

试验设计了人工林下地表覆盖、人工林下地表裸露、等高梯田种植茶树和等高梯田裸地对照4个处理，采用自制的径流收集器分别测定了各处理4场降雨的径流深度、径流系数、水土流失量和侵蚀量等指标。

The dominant factors of soil moisture uniformity include drippers spacing, dripper discharge, dripping water volume, and soil types.

对影响线源滴灌土壤湿润均匀性的主要因素进行了试验研究。

One-year-old seedlings of Chinese Redbud were grown in a pot with varying soil water levels, soil salt levels and intercross stress to determine photosynthetic characteristics.

应用盆栽试验方法，采用完全随机试验设计，研究了1年生紫荆实生苗在不同土壤盐分和水分及交叉胁迫下的光合特性。

With the case study on Wanzhou in the three-gorges reservoir area, it had been studied and analyzed that the potentialities of exploitation and use on land and ecological safety by established land use database, and it had been revealed that serious loss of water and erosion of soil, ecological environment fragility, the water conservancy project submergence a large amount of land, arrannements of the numerous immigrations need a large amount of land, contradictory remarkableness among human and land, and the latent crisis by extensive management land were main crises and questions of the land use.

利用建立的土地利用现状数据库，以三峡库区最大淹没区万州为研究对象，对库区土地开发利用潜力及生态安全性进行了分析和研究。揭示了库区土地资源利用中存在的主要危机是水土流失严重、生态环境脆弱，三峡工程淹没土地多、移民迁建占地比重大、人地矛盾加剧及粗放经营土地带来的安全隐患等问题。

The effects of different tillage practice on system of summer sowing soybean (Glucine max CYFeng Shoul2) including soil temperature, soil water and nutrients as well as biomass dynamic with different phonological stage were examined at Xifeng loess plateau, Gansu province.

本研究综合应用生物学、农学、生理生态学和土壤科学的技术与方法，2001年在甘肃西峰黄土旱塬区，以夏种大豆(Glucine max CV丰收12号)为试验材料，采用水土保持耕作技术，对不同耕作方式下土壤温度、水分、养分动态和夏种大豆生长发育、光合生理生态特征进行了系统研究。

For example, to avoid soil water and soilloss, increase the soil nutrition, mixed stands of Sabaigrass took effect.

其中，纯种龙须草和龙须草-林木复合种植能有效地防止速效氮、磷、钾的流失，增加土壤养分含量，培肥土壤。

The artificial infested soil containing 30 oospores per gram of air-dry soil was saturated with water and smeared on the basal stalk (0~10 cm) of the tested plants. The inoculated site was wrapped with a piece of aluminum foil to keep the inoculum from drying out.

接种时，以每克土约含30个卵孢子之壤土加水达於饱和含水量后，涂抹在供试玉米植株的茎基部(0~10cm)，并以铝箔包裹之，以防接种病土乾燥。

Soil water content in nrgs significantly influenced ch4 production, emission and soil redox potential during the following rice-growing season.

冬季土壤水分含量显著影响水稻生长期ch4的产生和排放及土壤氧化还原状况。

The CH4 fluxes were higher in summer and lower in autumn and spring.The CH4 fluxes were significantly correlated with the air temperature and soil temperature, and they were also significantly correlated with soil water in different alpine meadow.

中度退化草地和轻度退化草地CH4吸收通量季节动态不明显，未退化草地、重度退化草地和人工草地CH4吸收通量季节动态较明显，生长旺季高于非生长旺季。

The difference of soil water and nutrition in different top dressing treatments are the main reason to result in the difference of soil environment.

两种追肥方式的土壤水分、养分分布差异，影响到作物对水分和养分的吸收，是造成上述土壤性状改变的主要原因。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。