查询词典 sandy soil

Higher buffer power for Nmin accumulation was found in wheat crop and in loamy soil than in corn crop and in sandy soils.

种植小麦时土壤缓冲力大於种植玉米时，壤质土壤对施用氮肥的缓冲力大於砂质土壤。

In this paper, the evapotranspiration of spring wheat in Horqin sandy cropland was estimated and measured continuously by Bowen ratio energy balance approach and Lysimeter,and the relationship between the changes of the soil water content caused by irrigation and rainfall and evapotranspiration of spring wheat was analyzed.

运用波文比—能量平衡法和大型蒸渗仪对沙地春小麦的蒸散量进行了连续的测定和估算，并对由于降雨和灌溉所引起的土壤有效水分变化与沙地春小麦蒸散量之间的相关关系进行了初步探讨。

When the amount of nitrogen application was 69 kg/hm^2 in sandy chestnut soil,the biomass of forage green naked oat was 6 023.4 kg/hm^2, and was higher than CK.

沙地追氮69kg／hm^2时增产显著，青莜麦生物产量达6023.4kg／hm^2；此水平下，滩地青莜麦的生物产量最高，生物产量达9013.4k／hm^2。

The results showed :the soil of tailing abandoned land was mainly consisted of the sandy powder , it happened to plash in the raining day for the poor ventilation and infiltrative coefficient .

结果表明：尾矿废弃地土壤以砂粉土为主，通气透水性能差，渗透系数小，易造成地面积水；矿渣废弃地渗透系数大，蓄水量少而蒸发失水强，抗旱力弱。

They were fighting for 1,670 acres of sandy, desolate soil.

他们在为1670亩贫瘠的沙地抗争。

The soil here is sandy to a certain degree.

这儿的土壤带有几分沙土性质。

The soil is becoming sandy, and at the same time the rivers and the air are being polluted.

土地正在被沙化，与此同时河流和空气也正在被污染。

Sandy desertification and soil salinization are two types of desertification in western Northeast Plain of China.

中国东北平原西部土地荒漠化，主要表现为土地沙漠化和土地盐碱化，它属于荒漠化的两种类型。

Discussions have been made in preliminary judgement of sandy soils liquefaction, statistical formula of liquefaction judgement, liquefaction potential index and classification of liquefiable foundation soil.

文中讨论了砂土液化的初步判别方法、液化判别统计公式、液化指数及液化地基等级的划分。

Control of soil and water loss on the Loess plateau emphasizes on oversand and coarse sandy area, Silt-arrester dam is the key to the object.

黄土高原水土流失治理的重点在多沙粗沙区，淤地坝是实现治理目标的关键措施。

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。