Long-term impacts of high-input annual cropping and unfertilized perennial grass production on soil properties and belowground food webs in Kansas , USA

@inproceedings{Culman2009LongtermIO,
  title={Long-term impacts of high-input annual cropping and unfertilized perennial grass production on soil properties and belowground food webs in Kansas , USA},
  author={Steve W. Culman and Sam Dupont and Jerry D. Glover and Daniel H. Buckley and G. W. Fick and Howard Ferris and Timothy E. Crews},
  year={2009}
}
Soil ecosystem properties and processes which simultaneously maintain native fertility and sustain plant yields are of principal interest in sustainable agriculture. Native prairies in Kansas are relevant in this context, as some have been annually harvested for hay for over 75 years with no fertilization or detectable decline in yield or soil fertility. In contrast, annual crop production has resulted in significant reductions in soil fertility and now requires intensive inputs to maintain… CONTINUE READING
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