[Spatial variability of farmland soil nutrients at Taihang piedmont].

  title={[Spatial variability of farmland soil nutrients at Taihang piedmont].},
  author={Yuming Zhang and Renzhao Mao and Chunsheng Hu and Jiabao Bao Zhang and Anning Zhu},
  journal={Ying yong sheng tai xue bao = The journal of applied ecology},
  volume={15 11},
By the method of geostatistics, this paper studied the spatial variability of soil nutrients in 30,490 hm2 crop field in Luancheng region and in 15 hm2 experimental field in Luancheng Ecological Agriculture Station of Chinese Academy of Sciences. The results showed that the variation of soil nutrient contents differed obviously, and the semivariograms could be simulated by Gaussian and spherical models with some nugget variances. The limit distance of spatial correlation was 4.2-15.6 km and 112… CONTINUE READING