The effect of fertilizer placement on nitrogen uptake and yield of wheat and maize in Chinese loess soils

@article{Rees1996TheEO,
  title={The effect of fertilizer placement on nitrogen uptake and yield of wheat and maize in Chinese loess soils},
  author={Robert M. Rees and Marco Roelcke and Shu Xiang Li and Xin Qi Wang and Shi Qing Li and Elizabeth Anne Stockdale and I. P. Mctaggart and Keith A. Smith and Joerg Richter},
  journal={Nutrient Cycling in Agroecosystems},
  year={1996},
  volume={47},
  pages={81-91}
}
Field trials were carried out to study the fate of15N-labelled urea applied to summer maize and winter wheat in loess soils in Shaanxi Province, north-west China. In the maize experiment, nitrogen was applied at rates of 0 or 210 kg N ha−1, either as a surface application, mixed uniformly with the top 0.15 m of soil, or placed in holes 0.1 m deep adjacent to each plant and then covered with soil. In the wheat experiment, nitrogen was applied at rates of 0, 75 or 150 kg N ha−1, either to the… CONTINUE READING

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