Water runs through the gravelly soil very quickly.
水快速流过铺满碎石的土壤。
As the water evaporates, a crust of salt is left on the surface of the soil.
水蒸发后，土壤表面留下一层盐。
Water the plant regularly, never letting the soil dry out.
经常给植物浇水，别让土壤干透了。
Plants can not do [grow] without soil, water and sunlight.
植物短不了土壤、水和阳光。
The primary growing medium, what the plants draw nutrients from, is actually soil, not water.
主要的生长介质，也就是植物吸收营养的来源，实际上是土壤，而不是水。
I like the fact that organic farms don't use chemical pesticides or anything that can pollute the soil or the water.
我喜欢有机农场不使用化学农药或任何会污染土壤或水的东西。
The computer in the farmhouse is checking the temperature, the water and the level of organic material in the soil.
农舍里的电脑正在检查温度、水和土壤中有机物质的含量。
Organic agriculture also creates less soil and water pollution and lower greenhouse gas emissions.
有机农业还减少了土壤污染和水污染，降低了温室气体排放量。
A massive oak claims its ground for 200 years or more, outcompeting all other would-be canopy trees by casting a dense shade and drawing up any free water in the soil.
200年或更久的时间里，一棵巨大的橡树占据了它的土地，投下浓密的树荫，吸收土壤中所有自由水分，打败了所有其他可能成为树冠的树木。
Grazing herds stimulate microbial activity in the soil, helping to capture water and separate carbon.
放牧能刺激土壤中的微生物活动，帮助水分的获取和碳的分离。
The water evaporates and the salts are left behind, creating a white crustal layer that prevents air and water from reaching the underlying soil.
水蒸发留下盐分，形成白色的地壳层，阻止空气和水进入下面的土壤。
Less vegetation means the soil can't hold water as well; the soil loses its ability to retain water when it does rain.
更少的植被意味着土壤也无法保持水分；下雨时土壤就失去了保持水分的能力。
Wetlands are areas of marshy, swampy land, areas where water covers the soil, or is present either at or near the surface of the soil for a large part of the year.
湿地是指多沼泽的区域，软而湿的陆地，一年中的大部分时间有水覆盖着土壤、或是有水存在于土壤表面或接近土壤表面的地方。
This germ—which is present in soil and water, not feces—is responsible for "swimmers ear", an itchy or painful inflammation of the ear.
这种细菌——存在于泥土和水中，而非粪便——是造成“游泳耳”的主要原因，症状是耳朵发痒疼痛和红肿。
The gradual drying of the soil caused by its diminished ability to absorb water results in the further loss of vegetation, so that a cycle of progressive surface deterioration is established.
土壤吸收水分的能力减弱使土壤逐渐变得干燥，导致植被进一步减少，从而建立了一个渐进的地表退化循环。
The impact of raindrops on the loose soil tends to transfer fine clay particles into the tiniest soil spaces, sealing them and producing a surface that allows very little water penetration.
降水往往会把细小的粘土颗粒转移到土壤的最微小的空隙中，使这些空隙变得封闭，从而形成了一种几乎不允许任何水分渗透下来的表层土壤。
Even in the areas that retain a soil cover, the reduction of vegetation typically results in the loss of the soil's ability to absorb substantial quantities of water.
即使在保留土壤覆盖的地区，植被的减少通常也会导致土壤丧失吸收大量水分的能力。
A new plant will spring up wherever a seed falls on a suitable soil surface, but because they do not build big bodies, they cannot compete with other plants for space, water, or sunlight.
当种子落在合适的土壤表面时，一株新的植物就会在那里生长，但由于它们体型不大，它们无法与其他植物竞争空间、水分或阳光。
Nitrates are chemicals that occur naturally in water and the soil.
硝酸盐是水和土壤里天然存在的化学物质。
The plants in these colonies also need tough resilient stems above the soil, stems that can bent a lot but not break as water constantly crashes into them.
这些殖民地的植物也需要坚硬有弹性的茎高于土壤，茎可以弯曲很多，但不会断裂，因为水不断闯入他们。
The function of forest floor on water conservation, nutrient supply, promoting biological respiratory intensity and soil development are discussed.
探讨了森林地层在水土保持、养分供应、促进生物呼吸强度和土壤发育等方面的作用。
Some areas, because of their soil texture, topographical position, or distance from rivers or groundwater, have virtually no water available to plants, whereas others do.
有些地区由于土质、地形位置或与河流或地下水的距离，几乎没有水分能提供给植物，而另一些地区则有。
That is what provides the water for Dew Pond, the moist air under the spreading yews and figs below it, and the soil.
这就是露水池的水源头，是下方大片的紫杉和无花果树所需潮湿空气的来源，也是土壤的来源。
Desertification is accomplished primarily through the loss of stabilizing natural vegetation and the subsequent accelerated erosion of the soil by wind and water.
起到稳定作用的自然植被不断减少，随后土壤受风雨的侵蚀加速，就成为了沙漠化的主要成因。
Chang'e 4 carried a mini garden with air, water and soil with seeds planted in it.
“嫦娥四号”携带了一个微型花园，里面有空气、水和土壤，还种下了种子。
Rice needs good soil, a lot of water and a lot of sun.
水稻需要肥沃的土壤，大量水和阳光。
It was China's first Mars program to make scientific researches about the soil, environment, atmosphere, water and so on.
这是中国第一个对土壤、环境、大气、水等进行科学研究的火星计划。
It will stay there for three months by taking pictures, studying the soil and weather and looking for water.
它将在那里停留三个月，拍摄照片，研究土壤和天气，以及寻找水源。
The community structure and dynamics of soil water of Pinus sylvestris var. of the mongolica plantation were studied in a growing season.
对樟子松人工林群落结构和土壤水分动态进行研究。
The community structure and dynamics of soil water of Pinus sylvestris var. of the mongolica plantation were studied in a growing season.
对樟子松人工林群落结构和土壤水分动态进行研究。
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