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ThesisItem Embargo Effect of container type and growing media on growth and nutrients uptake in Dalbergia sissoo Roxb. seedlings(Punjab Agricultural University, 2022) Ramandeep Kaur; Garg, Rakesh K.The present study was conducted in the Department of Forestry and Natural Resources during the year 2020-21. The study comprised of two nursery experiments established in factorial complete randomized design with three replications. The first experiment comprised of fifteen treatment combinations of five container types (plastic bottles, clay pots, plastic pots, polypropylene bags and polythene bags) and three container size (500 cm³, 1000 cm³ and 2000 cm³). Second experiment comprised of twenty one treatment combinations of three soil textures (sandy loam, loamy sand and clay loam) and seven amendments (pure soil, soil: FYM 1:1, soil: FYM 2:1, soil: bio digester slurry 1:1, soil: bio digester slurry 2:1, soil: rice husk ash 1:1 and soil: rice husk ash 2:1). Seedlings raised in large size polypropylene bags attained maximum plant height (143.27cm), collar diameter (10.53mm), number of branches (24.33), number of leaves (50.33), root length (93.90cm), number of roots (34), number of nodules (22), biomass production and nutrient (N, P and K) uptake. The reusable containers viz plastic bottles, plastic pots and clay pots can be used for producing plants to reduce dependency on single-use polythene bags in nurseries. The seedlings produced in mixture of sandy loam and bio digester slurry (2:1) resulted in maximum root length (160.33 cm), number of nodules (25.33), number of leaves (46.33), biomass production and nutrients uptake at nine months of age. Seedlings raised in sandy loam:bio digester slurry (2:1) had statistically at par plant height with sandy loam:bio digester slurry (1:1) and loamy sand:bio digester slurry (2:1) at nine months of age.
