Madras Agricultural Journal
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Studies on the Effect of Nitrogen and Phosphorus on the Growth and Flowering of Chrysanthemum CV. Yellow (Chry. santhemum indicum Linn) IV. Critical Levels of Leaf Nutrients

Abstract

                                The leaf nitrogen concentration in the leaves of chrysanthemum CV. Yellow.de creased with the progressive development of the plant, while P and K increased slightly and then decreased. The Ca and Mg level increased with advancement of growth. The optimum N: K ratio to obtain good flower yield was assessed as 1:2 at pre-bloom and flowering stages of the plant growth.

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