Abstract
Abstract Total N content in the shoots of Chrysanthemum morifolium Ramat ‘Bright Golden Anne’ grown in hardwood bark was significantly greater when utilizing (NH4)2SO4 source of N than with KNO3 source. The NH4+ concn in the shoots was greatest at the low pH range when (NH4)2SO4 was the source of N. The NH4+ concn in the media was greatest at the low pH range when utilizing the (NH4)2SO4 and NH4NO3 sources of N. The greatest dry wt of shoots was obtained if test plants were treated with both NH4+ and NO3− forms of N with NH4NO3 source of N at the higher pH range and without the nitrification inhibitor.
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More From: Journal of the American Society for Horticultural Science
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