In order to find out the variations of soil nutrient content infarmlan ds of Guizhou, a survey of soil and fertilizer was conducted again in 1998, base d on the survey results of 1985.

• 为了解近年来化肥施用量倍增后，贵州农田土壤养分含量的变化，在1985年土壤调查的基础上，1998年再次进行了土壤和肥料调查。