土壌化学性の変化とデントコーンの生育・収量に及ぼす消化液，堆肥および化学肥料の影響 : 1. 施用1年目の効果

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タイトル別名
  • Change of chemical properties and growth and yield of dentcorn in the field applied digested cattle slurry, manure and chemical fertilizer : 1. First year's results after application
  • ドジョウ カガクセイ ノ ヘンカ ト デントコーン ノ セイイク シュウリョウ ニ オヨボス ショウカエキ タイヒ オヨビ カガク ヒリョウ ノ エイキョウ 1 シヨウ 1ネンメ ノ コウカ

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Digested cattle slurry, immature manure blended cattle waste and grass straw, mature manure blended with sewage compost, cattle waste and fish waste, and chemical fertilizer were applied as nitrogen source (14kg total nitrogen per 10a) in the field, Experimental Farm, Hokkaido University, 1ate of May, 2004. Dentcorn 'New Dent 100' was produced in these fields from June 7 to September 24, 2004. Content of NH4-N and NO3 showed a peak in middle of June and middle-late of July, respectively, in the soil applied chemical fertilizer. In the soil applied digested cattle slurry, they were lower than those of the soil applied chemical fertilizer and same as the soil applied mature manure and immature manure. Plant growth and dry matter production of dentcorn in the field applied digested cattle slurry were lower than other fields until July, however, increased to same level as others after August. Dry yield and TDN yield of dentcorn in the field applied digested cattle slurry showed 1956 kg/10a and 1351 kg/10a, respectively, and were same as the field applied others. Soil pH increased a little in all tested fields during dentcorn production. Total carbon and total nitrogen in the soil increased a little in the field applied immature manure and showed same in the field applied mature manure and chemical fertilizer, compared with those before dentcorn production. However, they reduced in the field applied digested cattle slurry.

収録刊行物

  • 北海道大学農場研究報告

    北海道大学農場研究報告 34 13-20, 2005-12-24

    北海道大学北方生物圏フィールド科学センター耕地圏ステーション生物生産研究農場

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