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Nitrogen fertilization of grain sorghum grown on Raised, Wide Beds

  1. Nitrogen fertilization of grain sorghum grown on Raised, Wide Beds / H.J. Mascagni, W.E. Sabbe. -- Fayetteville : Arkansas agricult. experiment stat., 1990. -- 17 s. : 8 tab. -- (Report Series 318). cirok * dusík * výživa dusíkom * hnojivá dusíkaté

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