Some soils are actually too alkaline for certain plant life. 有些土壤其实碱性过强,不利于某些植物生长。
Less chemical gets into the subsoil which is particularly important with the light, tropical soils. 进入底土的化学物质会减少,这对土质松软的热带土壤而言尤为重要。
Incorporating organic material into chalky soils will reduce the alkalinity. 在白垩质土壤中添加有机物可降低其碱性。
Earthworm populations in arable soils in the United States may be destroyed by frost. 在美国可耕地中蚯蚓的种群会被冰冻所毁坏。
Rye is tolerant of poor, acid soils. 黑麦耐贫瘠的酸性的土壤。
Freshwater and marine resources are increasingly polluted; soils and once-prolific fisheries are growing barren. 淡水资源和海洋资源日益受到污染;土壤和一度丰富多产的渔场日趋贫瘠。
Abstract: china fir were planted at the soils from different rocks by the experimental ecological method. 文摘:在不同岩性土体上进行了杉木栽植的研究。
Particulate matter in soils and aquatic systems reacts with and influences the biological activity of pesticides. 土壤和水系统中的颗粒物质都与农药的生物活动起反应,并影响后者。
Sorption/ desorption behavior of pyrene in six types of soils with different organic matter and clay contents was investigated in this paper. 研究了芘在6种有机质和黏粒含量不同的土壤中吸附和解吸行为。
Rocks and soils, as well as mountains, valleys and plains, differ greatly from place to place. 岩石和土壤,以及山、谷和平原,各地差别很大。
Effects of microorganism and environmental factors on persistence of acetochlor in soils were studied by bioassay using Echinochloa crusgalli. 以稗草为生物测定材料,研究了土壤微生物及环境因子对乙草胺持效性的影响。
Such soils vary in texture and fertility. 这种土壤的结构和肥沃度差异很大。
Effects and Mechanism of Lime and Sepiolite on Remediation of Cd Contaminated Soils 石灰和海泡石对镉污染土壤的修复效应与机理研究
The main soil types are mountain yellow-brown earth and limestone soil, and mountain marshy soils in localized areas. 其主要土壤类型为山地黄棕壤和石灰土及局部的山地沼泽土。
The major characteristics of soils are texture, acidity, nutrient content, gaseous content, and moisture content. 土壤的主要特性有质地、酸度、养分含量、气体含量和含水量。
One occupies relatively dry sandy loam soils. 一个则占据较干旱的沙壤土。
The degradation dynamic, half-life and degradation factors of chlorpyrifos in vegetables, fruits and soils are summarized. 综述了毒死蜱在蔬菜、水果、土壤中的降解动态、半衰期以及影响药物降解因素等方面的研究现状。
Effects of land utilization of sewage sludge on crops and soils. 污泥土地利用对农作物及土壤的影响研究。
They are adapted to various climates, soils and other natural conditions. 它们能适应各种气候、壤和其他自然条件。
Landforms of topography, vegetation and climate are influential factors in formation of soils. 地形或地形学、植被和气候都是对土壤形成有影响的因素。
The beach's red color comes from a kind of grass that grows in saline and alkaline soils. 沙滩的红色是源于一种种植在含盐性和碱性土壤上的草。
Expansive soil, one of the special clay soils, had caused many problems to foundations and slopes. 膨胀土作为一种特殊的黏性土引发了许多地基与边坡方面的问题。
The permeability of saline soils is studied in laboratory. 对含盐土的渗透系数进行了室内试验研究。
Bacteria living mostly in soils and on dung. 主要生活于土壤和粪便中的细菌。
When cadmium is present in soils it can be extremely dangerous, as the uptake through food will increase. 泥土中含有镉是非常危险的,因为从食物中摄取镉的量增加了。
Heavy metal concentrations in plants and soils were studied in the area with serpentine soil in Yunnan in China. 对云南蛇纹岩发育土壤进行了植物和土壤的重金属含量调查和分析。
Review for effect of organic matter on the availability of Cadmium in soils. 有机物质对镉有效性的影响研究综述。
Frequent tillage can often destroy the organic balance of soils resulting in soil degradation and poor productivity over time. 频繁的耕作往往会破坏土壤的有机平衡,逐渐导致土壤退化和生产力不足。
Effects of Soil Texture and Water Content on the Mineralization of Soil Organic Carbon in Paddy Soils 加强土壤部和土壤研究土壤质地和水分对水稻土有机碳矿化的影响
Effects of liming on the transformation and distribution of cadmium formations in soils were studied. 研究了土壤施加石灰后对镉的形态转化和迁移的影响。