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島根農科大学研究報告 Volume 7
published_at 1959-03-31
チューリップ球根の収量と品質に及ほす肥料三要素及び窒素施用時期の影響
Yield and Quality as Related to the Three Elemental and Season of Niotrogenous Manuring of Tulip Bulbs in Sand Culture
Yoshino Shigeto
Sakata Ryuzo
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(1) With the variety FuBrilliant of tulip grown by sand culture，we investigated the effect of three elemental and season of nitrogenous manuring on yield and quality of tulip bulbs and the experimental plots were as follows, NPK, (2N)PK, (3N)PK, NP(2K), NK, NP, PK and Non fertilizer.
(2) Nitrogen had much effect on yield and quality, and then potassium and phosphoric acid. Nitrogenous manurig at the beginning stage of growth and beginning stage of development of the vegetation point had good effect on growth and yield.
(3) Non nitrogen and non phosphoric acid eheked the flower bud differentiation of bulb.
(2) Nitrogen had much effect on yield and quality, and then potassium and phosphoric acid. Nitrogenous manurig at the beginning stage of growth and beginning stage of development of the vegetation point had good effect on growth and yield.
(3) Non nitrogen and non phosphoric acid eheked the flower bud differentiation of bulb.
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