四种灌木林地土壤的物理性状明显优于荒坡地。
The soil physical properties of the bush forestlands are better than barren slope obviously.
分形理论为林地土壤科学管理提供了理论依据。
The fractal theory of soil will provide scientific basis for management of forest land soil.
结果表明，不同采伐林地土壤养分有明显的差异。
The results showed that the soil nutrient in the different logged land have obvious differences.
土壤中各种形态氮的含量菜地上壤高于林地土壤。
The content of different form nitrogen in vegetable field is higher than wood soil.
总的来说，天然林地土壤水分条件优于人工林地。
In general, soil moisture condition is better for the former.
林地土壤初渗速率和稳渗速率均显著高于荒草地。
The soil infiltration rate in forest land was obviously higher than that in waste grassland.
结果表明：黄土高原核桃林地土壤蒸发量与月均温呈正相关关系。
The results showed that soil evaporative capacity of walnut forest land was positive correlation to average temperature of month.
在天目山地区，森林土壤的持水量较非林地土壤（荒草地）为高；
The deciduous broad-leaf forest always holds more water in the soil than the evergreen needle forest does.
本文研究了延安研究区不同立地类型的刺槐林地土壤含水量的变化。
Soil water changing of artificial Robinia perseudoscacia at different site conditions Yan an experimental area was studied.
结果表明：森林小流域林地土壤入渗速率显著高于荒坡草灌小流域。
The results indicated that the soil infiltration rate in forest watershed is obviously higher than that in rangeland watershed.
本文研究了砒砂岩地区沙棘人工林地土壤水分物理性质及其变化规律。
The soil hydro-physical properties of artificial seabuckthorn woodland had been studied in arsenic sandstone areas.
林分生长与林地土壤中全n、全k以及有机质等养分的含量显著相关。
It also shows that the growth of plantation is greatly affected by the content of soil nutrients specially total n, total K and soil organic matter.
结果表明，使用有机物料覆盖的雷竹林地土壤的微生物数量显著增加。
The results show that soil microorganism in quality increases in Lei bamboo forest mulched with organic materials.
林地土壤的总孔隙度都比荒地高，表明林地土壤的物理性状和结构要优于无林地。
The results showed that the structures and physical characters of forestland better than that of the wasted land. (5)There were obvious permeability differences in different planting forestland.
也就是说随着造林时间的延长，林地土壤微生物总量和土壤生物肥力有提高的趋势。
This suggested that the soil microbe number and bio-fertility were increased with the increase of plantation time.
结果表明，研究地区林地土壤养分普遍缺乏，其中以土壤有效养分的缺乏尤为严重。
The results showed that the levels of nutrients in the soils were very low, especially for the available nutrients in the soils.
林地土壤因子调查的结果是混交林内土壤的通气性、透水性及总孔隙度均好于纯林。
Investigation of the soil factors showed that the aeration and water perviousness of mixed forest were better than that of pure forest.
主要研究了辽宁东部山区天然次生林林冠截留降雨、林地土壤的渗透性能和贮水能力。
The canopy interception for rainfall, the infiltration and water-holding capacity of soil of main original secondary forest types in eastern mountain areas of Liaoning province were studied.
集水造林通过增加植树带汇流量改善了林地土壤水分环境，从而影响到林分物质生产水平。
Afforestation by water-harvesting improves the soil water environment in forest owing to increase of runoff volume collected in the planting strip, so that the productivity of forests is influenced.
大棚温室土壤中的盐离子含量明显高于露天菜地和林地土壤，其含盐量已达盐渍化土标准。
The salt ion content in plastic greenhouse soil was significantly higher than that in open vegetable fields and woodland ones, with salt content up to the salinification soil standard.
林地土壤抗蚀指数与其相关因子非毛管孔隙度、毛管孔隙度、稳渗率、有机质含量关系最密切。
The soil erosion resistance indexes have very close relations with non-capillary porosity, soil capillary porosity, final infiltration rate, the content of organic matter.
定量分析手板车集材对集材道土壤理化性质的影响，提出减少集材作业对林地土壤破坏的具体措施。
The effect of push cart skidding on the physical and chemical properties of soil was analyzed quantitatively.
杨沙混交林提高了自然降水利用率。年生长季中混交林地土壤含水量与降水量间相关关系十分显著。
In the annual growth season, the soil moisture of mixture woodlands has markable correlation with the precipitation.
分析了不同雨量条件下刺槐林地土壤水分下渗过程，得出不同雨量下的土壤水分下渗深度即稳定渗深。
Processes of soil water infiltration in black locust plantation were discussed and stable depths of soil water infiltration under different rainfalls were obtained.
研究了桉树萌生林、桉树植苗林、灌草丛和马尾松林地土壤中过氧化氢酶、蔗糖转化酶及脲酶的活性变化。
Variations of peroxidase, sucrose invertase and urease activity in soil from Eucalyptus coppice forest, Eucalyptus newly planted forest, shrub grassland and masson pine forest have been investigated.
本文简要介绍林地土壤水分的入渗性、植被对土壤水分的影响，以及林地土壤水分的季节和垂直变化规律。
This treatise briefly introduces the forest soil moisture's infiltrating quality, the vegetation's effect on soil moisture and the forest soil moisture's seasonal and vertical change rules.
近年来城市森林人为活动频繁，对林地土壤造成不同程度的压实，从而影响林分生产力及森林土壤碳平衡。
Different degrees of soil compaction were caused by frequently human activities in urban forest in recent years, and thus affected forest productivity and soil carbon balance.
结果表明，森林土壤水分的变异主要来源于林地土壤条件的变化及树冠对降雨的不均匀截留，且随季节而变化。
The results showed that the variation of forest soil water was caused mainly by variations of forest soil conditions and uneven interception of rainfall by tree crowns that, varies with seasons.
指出杨树刺槐混交林生产力提高主要是因为林地土壤养分（特别是N素养分）的极大改善及树种间N、P养分的互补。
It shows that the yield improvement is mainly due to the soil nutrient amelioration (especially nitrogen nutrient) and the interaction of mutual supplement of N and P nutrient.
除楠竹林外，各林分林地土壤抗冲系数大于农地(1.2 ~ 1.9倍)。林地土壤抗冲性的强弱是其相关因子综合作用的结果。
Except bamboo forest soil, other forest soil anti-scour coefficients are more than one of arable land (be 1.2 ~ 1.9 times), the anti-scour capacity is the result of mutual function of related factors.
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