Effect of Proportion of NO۳- and NH۴+ in Nutrient Solution and Growing Seasons on Yield and Quality in Coriander
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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JR_JASTMO-23-4_011
تاریخ نمایه سازی: 23 آبان 1402
Abstract:
The effect of nutrient solutions with varying nitrogen forms was evaluated on yield and quality of coriander (cv. Punjab Sugandh) grown in soilless medium under polyhouse conditions. Crop was sown on three dates viz., October (main season), February, and July (off-season), respectively. In polyhouse, N (Nitrogen) was supplied in variable ratios of NO۳- to NH۴+ viz; ۱۰۰:۰ (T۱), ۷۵:۲۵ (T۲), ۵۰:۵۰ (T۳), ۲۵:۷۵ (T۴), ۰:۱۰۰ (T۵), respectively, keeping total N content constant. Fresh foliage was harvested ۳ times in each season at ۳۰ days interval starting from date of sowing. At each harvest, plant growth quality parameters including activity of antioxidants enzymes were determined. Irrespective of the seasons, the yield was significantly higher in polyhouse than soil-grown crop, and among the nutrient solutions, the solution of T۲ recorded significantly higher yield as well as growth and quality parameters during all the season. It could be concluded that NO۳- to NH۴+ ratio of ۷۵:۲۵ in the nutrient solution improved both yield and quality and is thus most suitable for coriander crop.
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Authors
R. Kumari
Department of Botany, Punjab Agricultural University, Ludhiana, Punjab, India.
S. Bedi
Department of Botany, Punjab Agricultural University, Ludhiana, Punjab, India.
A. S. Dhatt
Department of Vegetable Science, Punjab Agricultural University, Ludhiana, Punjab, India.
V. P. Sethi
Department of Mechanical Engineering, Punjab Agricultural University, Ludhiana, Punjab, India.
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