Pertumbuhan dan Kualitas Pasca Panen Bayam (Amaranthus tricolor L.) dengan Pengayaan Kalsium Nitrat (Ca(NO3)2) Melalui Sistem Hidroponik Wick
Growth and Post-Harvest Quality of Spinach (Amaranthus tricolor L.) with Calcium Nitrate (Ca(NO3)2) Enrichment through a Wick Hydroponic System
DOI:
https://doi.org/10.21111/agrotech.v11i01.11641Abstract
Spinach contains 99 mg of calcium per 100 g, but the oxalate content is also high, thus reducing bioavailability, so that only 5% or around 13 mg of calcium can be used by the body. This research aims to obtain the concentration of calcium nitrate in the AB Mix nutrient solution on the growth and yield of spinach plants, to obtain varieties that are most responsive to the growth and yield of spinach plants, to obtain the most optimum combination of varieties and concentrations of calcium nitrate in the AB Mix nutrient solution for growth and yield. spinach plant. The research design used a split plot design with 2 factors: calcium nitrate as the main plot consisting of: without Ca(NO3)2, Ca(NO3)2 300 mg/l, Ca(NO3)2 600 mg/l, Ca(NO3)2 900 mg/l, and Ca(NO3)2 1200 mg/l. The sub-plot varieties consist of: Maestro, Mira and Belang varieties. Observed variables: plant height, number of leaves, leaf area, root volume, root length, fresh shoot weight, dry shoot weight, weight loss, chlorophyll content, relative growth rate, and net assimilation rate. Data analysis used ANOVA and DMRT test. The results showed that Maestro variety gave the best growth compared to other varieties. Calcium nitrate concentration of 900 mg/l significantly increased spinach plant growth.References
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