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Birsa Agricultural University, Ranchi

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Subject: Silviculture and Agroforestry × End date: 1996 × Start date: 1996 ×
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    ThesisItemOpen Access
    Standardization of Nursery Technique of Pjerocadus Marsudrum Roxb And Gmelina Areoria Roxb.
    (Birsa Agricultural University, Ranchi, 1996) Ras Bihari Sagh; Dr.O.N. Pandey
    Standardization of nursery technique of a tree species is an important pre-requisite as health and vigour of nursery stock is an index of its future performance on out planting in the field. Present investigations were aimed to determine the optimum size of polythene bag and the most suitable potting mixture needed for production of nursery stock of Pterocarpus marsupium and Gmelina arborea. Four bag sizes viz., S 10cm x 20cm with 100 gauge, S2 13.5cm x 24.5cm with 150 gauge, S3 17cm x 27.5cm with 150 gauge, S4= 20cm x 30cm with 200 gauge; and four potting mixtures viz.. soil, sand and FYM in 2:1:1 ratio (M), in 2:1:0 ratio (M2). in 1:1:1 ratio (M3). in 1:1:0 ratio (M): were taken for the study. The nursery experiments were conducted in a Completely Randomized Design with three replications during 1993 at Rarha Research Station of Faculty of Forestry, BAU. Kanke, Ranchi. Laboratory investigations were also conducted to study the nutrient relations in different plant parts of both the species.