土壤测定是指丈量和断定土壤不发生化学变化就能表现出来的性质。土壤物理性质与其水分、空气、热量情况以及对农田灌排的要求和耕耘效果亲近相关。测定土壤物理性质是描绘灌排工程、进行土壤办理的根底任务。
人工土壤测定 test of artificial soil
土壤水分测定 soil moisture measurement
土壤中钚的测定 Determination of plutonium in soil
土壤中PH值的测定 Determination of pH in Soil
森林土壤坚实度的测定 Determination of forest soil hardness ; Determination of forest soil consistence
测定土壤湿度 measuring soil moisture
土壤中全硒的测定 Determination of selenium in soils
森林土壤温度的测定 Determination of forest soil temperature
土壤冲击测定器 Impact Soil Tester ; IST
很小距离范围内的土壤会有很大变化，所以必须作出全面的土壤测定。
Soil conditions can vary over a short distance of land, thus requiring a thorough survey of the area.
试验采用实地调查和土壤测定的方法，研究了河北省昌黎县赤霞珠葡萄产区土壤养分和施肥状况。
Fertilizer applications were investigated and soil nutrients were determined under Cabernet Sauvignon cultivar in Changli County of Heibei Province.
研究者们拼凑了包括头骨，手掌，脚掌，上臂，腿和骨盆在内的125块骨骼碎片，并采集挖掘处上层和下层的火山土壤层测定年代。
Researchers have pieced together 125 fragments of bone - including much of her skull, hands, feet, arms, legs and pelvis - which were dated using the volcanic layers of soil above and below the find.
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