查询词典 water and soil

There was no significant soil and water loss differences in equivalent peanut land between sole peanut and alley cropping systems. There were also 146-172mm surface runoff and 6503-7571kg ha〓 soil losses annually in alley cropping systems.

就可比花生种植面积而言，花生南酸枣间作方式下水土流失量与传统花生种植方式下没有显著差别，年地表径流和土壤流失量仍然分别高达146～172mm和6503-7571kg ha〓。

The washing experiment of soil contaminated by petroleum alkane was performed with two kinds of biosurfactants in laboratory. The results showed that biosurfactant would enhance on removal of residual alkane in soil, after washing with 20 pore volume solution the removal rate with BS-UC and MELs were three times and twice as that of water, respectively.

在实验室内对南极假丝酵母产生的两种生物表面活性剂进行了石油烃类污染土壤的冲洗实验，结果表明，经过大约20个孔隙体积的冲洗，BS-UC溶液的除油率为清水的三倍，MEL溶液为清水的两倍，这表明该生物表面活性剂能够加速土壤残油的去除，而来自污染底物的生物表面活性剂更具有优越性。

So we made the tests of ecophysiology of citrus in the red soil which contain different amount of water in the typical red soil region of China from 2003 to 2004. This project was also put in practice together with the economic irrigation project which was supported by National High Technology Research and Development Programe of China ("863").Two-year potted plants and 9-year mature satsuma mandarin trees Citrus unshiu Marc.cv.

为探索柑橘在不同红壤水分状况下的生理生态要素变化特征和机理，或为减轻红壤干旱对柑橘生长的伤害和对产量、品质的负面影响，或为红壤地区柑橘果园节水灌溉提供理论依据，本文结合国家&863&高技术研究发展计划农业节水专项(2002AA2Z4331)的实施，于2003-2004年在中国典型红壤地区进行了不同红壤水分条件下柑橘的生理生态反应试验。

On both the slopes maximum water holding capacity and porosity of surface soil and particle density at all soil depths were lower in orange orchard compared to those in forest.

与灌木林地比较，桔园地表层土壤最大持水量、孔隙度和3个不同深度的土壤密度均较低。

Five treatments were evaluated based the soil potentials at 25 cm under the ground, they are -10 kPa,-20 kPa,-30 kPa,-40 kPa and -50 kPa. Pepper leaf area, plant height, soil water content and yield were measured.

试验根据滴头下25cm深处土壤的基质势设置5个控水下限：－10kPa、-20kPa、-30kPa、-40kPa和－50kPa，测量的指标主要有叶面积、株高、土壤水分和产量等。

Soil moisture is the main factor of plant growth, vegetation restoration and ecological environment. It's a very important significance to research soil water movement and translation.

土壤水分是植物生长、植被恢复和生态环境建设的主要制约因素，研究其运动与转化规律具有重要的现实意义。

Less than 5% of the total water retained in WASRNF is non-freezing water which is equivalent to water which is inferior to permanent wilting point of soil, and difficult for plant use.

保水缓释氮肥的结合水占5％以下，其相当于土壤吸湿水，是植物难利用水。

The soil moisture characteristics, dynamic variation and spatial variation in the fields for 4 soils in the loess area of Gansu province, maximum hygroscopicity, wilting point moisture and water holding capacity were studied. The dynamic variation of soil moisture shows "two peaks -two valleys" type.

对甘肃黄土地区4个土类的土壤水分特征、动态及空间变异规律，以及最大吸湿水、凋萎湿度和持水性能的研究表明，土壤水分动态变异规律呈&双峰－双谷&型，据此在时序上可划分为5个明显的时期：（1）春季增失墒交替期；（2）春夏严重失墒期；（3）夏秋墒情恢复期；（4）秋冬缓慢失墒期；（5）冬季墒情稳定期。

In this paper,soil pH,the content of organic matter,total nitrogen,potassium and phosphorus,available nitrogen,potassium and phosphorus,water-soluble chlorine of the main soil types was studied in the Yunnan Tobacco-growing areas.

中文摘要：本文系统地研究了云南省植烟区的主要土壤类型的pH值和有机质、全氮、速效氮、全钾、速效钾、全磷、速效磷、水溶性氯含量等理化指标，明确了不同土壤的养分丰缺状况，依据测土配方施肥的要求，制定了合理的施肥对策。

It is advanced farming technology which through the implementation of reduced tillage, no-tillage technology, using crop stalks stubble ground cover to reduce soil water erosion, wind erosion, so as to enhance the capacity of soil fertility and drought-resistance .Function and role of conservation tillage technology have been proved by practice.

保护性耕作技术是相对于传统耕作的一种新型耕作技术，起源于19世纪末的美国，通过对农田实行少耕、免耕技术，尽可能用农作物秸秆、残茬覆盖地表，以减少土壤水蚀、风蚀，从而提高土壤肥力和抗旱能力的先进耕作技术。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。