Received: 01-03-2013
Accepted: 19-08-2013
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The Effects of Growing Medium and Seed Rhizome Weight on the Growth, Yield and Economic Return of Ginger (Zingiber officinaleRosc.)Grownin Bags
,
Ninh Thi Phip
2
Keywords
Bags, ginger, growing medium, seed rhizome weight
Abstract
Two experiments were conducted to study the influence of growing medium (cv. Trau) and weight of seed rhizomes (cv Gie) on the growth, yield of ginger grown in bags. The bags were made of cement bag material with 40x40cm size. Ginger cultivar Trau was planted in bags containing 100% soil; 100% sand; 100% rice husk; soil – rice husk (1:1); soil – sand (1 :1); sand – rice husk (1 : 1); soil – sand – rice husk (1 : 1 : 1). Cultivar Gie consists of four different weight of seed rhizomes, i.e. 4 g, 8 g, 16 g and 32 g. The treatments were arranged in RCBD with three replications; the bags were placed under three-year old mango canopy with 70% natural light at the Faculty of agronomy, Ha Noi University of Agriculture. Growing medium significantly effected the growth and dry rhizomes yield of ginger. Trau ginger grown in soil – rice husk (1:1), 100% sand and soil – sand – rice husk (1:1:1) had higher growth and rhizomes yield than the other growing media. With Gie cultivar, number of pseuodstems per plant, number of leaves per stem, leaf size, leaf area, dry matter weight and yield component parameters of ginger increased proportionately with seed rhizome weight. Growing in medium of soil – sand – rice husk (1:1 :1) brought about highest yeild (53.8 million dong). 32 g seed rhizomes yielded in significantly higher rhizome yield than the other treatments, however, highest economical efficiency was obtained with 16g rhizome as seed.
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