The soil type, cause of soil formation and soil quality changes of Holocene loess-soil sequence have been clearly distinguished.

通过本文各指标的研究，进一步认识了汾渭平原全新世土壤的类型、成因与质量演变。

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There's unpredictable weather, changes in soil quality, and the ever-present possibility that pests and diseases may pay a visit.

天气不可预测，土壤质量发生变化，害虫和疾病随时都可能出现。

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Soil quality comprehensively reflects soil properties and is the most sensitive indicator mirroring dynamic changes of soil condition under the influences of human activities.

土壤质量是土壤特性的综合反映，是揭示人类活动影响下的土壤动态变化的最敏感的指标。

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These changes are making water supply and quality more difficult to obtain, affecting runoff and soil moisture, increasing water temperatures, decreasing snowpack and lake and river ice, threatening fish and aquatic species, and allowing saltwater intrusion and sea level rise.

FORBES: Water Risk Threatens Businesses, National Security