For example, rocky soil may prevent the digging of pit-type systems.
例如，岩质土，不能挖掘坑洞式厕所；
Because of the rugged terrain and dry, rocky soil, agriculture is restricted to one third of the land. Transportation is difficult.
由于地势起伏、干燥缺水和土壤少，希腊只有三分之一的土地可用于农业耕作，交通运输也很困难。
They were luckier than their fellow Puritans atPlymouth Bay, who subsisted as independent farmers, wresting meagre harvests ofmaize from the rocky soil of New England.
他们比在普利茅斯海湾身为自由农民的清教徒同伴幸运，那些自由农民只能靠新英格兰石质土壤里歉收的玉米维生。
This enables them to grow in areas that receive good sunlight but have rocky, untillable soil.
这使它们能够在阳光充足，但土壤多石、不能耕种的地区生长。
Water first seeps into the loose soil at the base of the area's rocky cliffs, destabilizing the land and making it prone to slides.
水首先渗入到这个地区岩石地基下的土壤中，使其变得不稳定并且容易发生滑坡。
The barren soil of the Rocky Mountains provides few nutrients to the grasses growing there.
落基山贫瘠的土壤几乎无法给生长在那里的草提供足够的营养。
The most essential process of karst rocky desertification is soil loss.
土壤流失是石漠化最基本的过程之一。
Factor of soil circumstance was an index of rocky desertification type and indicated the spatial difference of lithology.
土壤环境因子表征了石漠化在空间上岩性的差异特征，是石漠化类型的表现指标。
Rocky desertification in the karst region is related to stratum and lithology, incising of river, soil erosion, gradient and human activities, etc.
喀斯特地区土地的石漠化与地层岩性、河流切割、土壤侵蚀、坡度及人类活动等有关。
Compared with Karst no-Rocky Desertification soil, the content of soil Organic Matter and Nitrogen in various degrees of Karst Rocky Desertification shows a tendency to drop suddenly.
且土壤有机质、全氮、酸水解性总氮、氨基酸态氮和碱解氮含量按照石漠化程度的由轻度到极强度而呈递减趋势，但土壤其他氮素含量并未表现相同的变异规律。
This study investigated chemical element concentrations in calcite, calcareous soil and restored plants in a limestone rocky desertification area in Huaxi, Guizhou Province.
对贵州花溪区石灰岩、石灰土及定居植物中化学元素含量进行研究。
The author expounded the situation and harms of different rocky water and soil losses in Ningdu county eroded area.
论述了宁都县侵蚀区不同岩性水土流失现状和危害，并对成因及发展趋势进行了分析。
The results reveal that the soil temperature was not related to rocky desertification degrees, but has a close relation with vegetation coverage, especially the grass coverage.
结果表明，喀斯特峡谷区土壤温度与石漠化等级程度相关性不大，与植被覆盖度，特别是林下草被覆盖度具有很大相关性；
Karst rocky desertification results from vegetation degeneration and soil erosion under human intervention.
喀斯特石漠化是在人的干预下，喀斯特地区植被和土壤退化导致的结果。
The key techniqure to improve the survival and growth of Pinus tabulaeformis on dry south sides in lower rocky mountain in North China is to keep water for raising soil moisture.
在华北石质低山干旱阳坡，提高油松植苗造林成活率及生长量的关键，在于蓄水保墒。
The key techniqure to improve the survival and growth of Pinus tabulaeformis on dry south sides in lower rocky mountain in North China is to keep water for raising soil moisture.
在华北石质低山干旱阳坡，提高油松植苗造林成活率及生长量的关键，在于蓄水保墒。
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