Studies on the mixture of soybean in sweet potato fields, : 2 Varietal differences of sweet potatoes effected by the mixture with soybean

@inproceedings{1948StudiesOT,
  title={Studies on the mixture of soybean in sweet potato fields, : 2 Varietal differences of sweet potatoes effected by the mixture with soybean},
  author={政明 小林},
  year={1948}
}

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