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Research on environmental load of nitrogen and phosphorus by difference of target yield and fertilizer application amount for crops
MARUYAMA Toshisuke [Ishikawa Prefectural University]
HASHIMOTO Iwao [Ishikawa Prefectural University]
MURASHIMA Kazuo [Ishikawa Prefectural University]
TAKIMOTO Hirosi [Toyama Prefectural Univ.]
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