精准农业土壤采样技术是变量施肥技术获取土壤养分信息的重要手段，土壤养分测定值是生成施肥处方图的重要数据之一。
Soil sampling technique was one of ways of getting the information of soil nutrition. And the tested results are very important to making a reasonable prescription map.
作者测定了北京地区129个采样点及32个剖面的农业土壤样品中的镍含量。
Nickel content in soil samples from 129 sites and 32 soil profiles has been measured.
作者测定了北京地区129个采样点及32个剖面的农业土壤样品中的镍含量。
Nickel content in soil samples from 129 sites and 32 soil profiles has been measured.
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