原田 勇 , 篠原 功 , 岡田 聖子
酪農学園大学紀要. 自然科学編,14(2),121-127 (1990-02) , The Absorption Characteristics of Copper by Alfalfa and Orchardgrass

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原田 勇 , 篠原 功 , 志和 一也
酪農学園大学紀要. 自然科学編,13(2),273-279 (1989-02) , The Absorption Characteristics of Zinc by Alfalfa and Orchardgrass

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篠原 功 , 黒瀬 忍 , 原田 勇
酪農学園大学紀要. 自然科学編,11(1),235-242 (1985-10) , Relationships between Cobalt and Vitamin B_12 in the Soil and the Forage Crops

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篠原 功 , 中川 浩一 , 原田 勇
酪農学園大学紀要. 自然科学編,11(1),225-233 (1985-10) , Properties of Cobalt Supply from Soils and of Cobalt Uptake by Forage Crops

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篠原 功 , 原田 勇
酪農学園大学紀要,7(2),289-306 (1978-12) , Studies on the Balance of Inorganic Elements in the Grassland Agriculture (Part 5) On the relationships between the grass tetany of Wagyu (Japanese Cattle) and the inorganic balance of the soil, fertilizer and forage in the Wagyu farm

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篠原 功 , 原田 勇
酪農学園大学紀要,7(2),275-287 (1978-12) , Studies on the Balance of Inorganic Elements in the Grassland Agriculture (Part 4) On the relationships among the level of available elements the soil, K/Ca+Mg(me) ratio, Ca/p(%) ratio and NO_3-N concentration in the forage and milking cow diseases

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篠原 功 , 原田 勇
酪農学園大学紀要,7(1),111-127 (1977-12) , Studies on the Balance of Inorganic Elements in the Grassland Agriculture (Part 3) On the balance of inorganic elements in the forage on the quantative condition of potassium, calcium and magnesium in the soil

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原田 勇 , 篠原 功
酪農学園大学紀要,6(2),283-303 (1976-12) , Studies on the Balance of Inorganic Elements in the Grassland Agriculture (Part 2) The relationships between content of inorganic elements in the forage and variation of available elements in the soil and animal disease

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原田 勇 , 篠原 功
酪農学園大学紀要,5(1),15-33 (1973-12) , Studies on the Balance of Inorganic Elements in the Grassland Agriculture (Part 1) On the balance of inorganic elements in pasture plants on the variation of available elements in the soil Section 2 : Alfalfa (Medicago sativa L.)

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原田 勇 , 篠原 功
酪農学園大学紀要,3(2),262-280 (1970-12) , Studies on the Balance of Inorganic Elements in the Grassland Agriculture (Part 1) : On the Balance of inorganic elements in pasture plants on the variation of available elements in the soil Section 1 : Orchard grass (Dactylis glomerata L.)

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