Effects of organic mulches on growth and yield of winter onion (Allium cepa L.) cultivars

Fundamental and Applied Agriculture Pub Date : 2022-01-01 DOI:10.5455/faa.123513

T. Akter, M. Rashid

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Abstract

An experiment was conducted to study the effects of cultivars and household organic mulches on growth and yield of onion at the Horticulture Farm of the Department of Horticulture, Bangladesh Agricultural University, Mymensingh during the period from October 2020 to March 2021. The experiment consisted of three winter onion cultivars of Bangladesh viz. Taherpuri, BARI Piaz-1 and BARI Piaz-4, and five organic mulches, viz. Control (no mulching), vegetables wastes, rice straw, banana leaf and water hyacinth. The two-factor experiment was carried out in Randomized Complete Block Design with three replications. Results revealed that the parameters under study showed significant variation among onion varieties and mulching. BARI Piaz-4 gave the highest plant height, number of leaves, fresh weight and gross yield of bulb compared to BARI Piaz-1 and Taherpuri. The application of water hyacinth increased plant height, number of leaves, fresh weight of bulb, bulb length and diameter, and bulb yield compared to other treatments. Mulching with water hyacinth showed the best results in respect of on all the parameters under study. The highest bulb yield (12.72 t/ha) was recorded in T4 and the lowest bulb yield (8.97 t/ha) was found in T0. The effect of household organic mulches on yield were in order of water hyacinth> vegetables wastes> rice straw> banana leaf> control (no mulching). Among the treatment combinations water hyacinth mulch in combination with BARI Piaz-4 gave the highest plant height (47.85 cm), number of leaves (14.01), fresh weight of bulb (52.87 g) and gross yield of onion (18.24 t/ha), whereas, the lowest plant height (36.13 cm), number of leaves (6.53), fresh weight of bulb (17.08 g) and gross yield of onion (5.74 t/ha) were was obtained from Tahepuri caultivar having no mulch. Therefore, the combined application of water hyacinth along with BARI Piaz-4 was found to be the best in respect of growth and yield of onion.

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有机地膜对冬葱品种生长和产量的影响

本试验于2020年10月至2021年3月在孟加拉国农业大学园艺系园艺农场进行，研究了栽培品种和家庭有机地膜对洋葱生长和产量的影响。试验采用孟加拉国的3个冬洋葱品种Taherpuri、BARI piaz1和BARI piaz4，以及5种有机地膜，即对照(无地膜)、蔬菜废弃物、稻草、香蕉叶和水葫芦。双因素试验采用随机完全区组设计，共3个重复。结果表明，不同洋葱品种和不同覆盖条件下，各指标存在显著差异。与BARI piaz1和Taherpuri相比，BARI piaz4的株高、叶片数、鲜重和鳞茎总产量最高。与其他处理相比，水葫芦的株高、叶片数、鳞茎鲜重、鳞茎长、鳞茎直径和鳞茎产量均有所增加。水葫芦覆盖在各指标上的效果最好。T4的鳞茎产量最高(12.72 t/ha)， T0的鳞茎产量最低(8.97 t/ha)。家庭有机地膜对产量的影响顺序为水葫芦>蔬菜废弃物>稻草>香蕉叶>对照(不覆盖)。水袋覆盖与BARI piaz4组合处理的洋葱株高(47.85 cm)、叶片数(14.01)、鳞茎鲜重(52.87 g)和洋葱总产量(18.24 t/ha)最高，而不覆盖的Tahepuri茎生植物株高(36.13 cm)、叶片数(6.53)、鳞茎鲜重(17.08 g)和洋葱总产量(5.74 t/ha)最低。因此，水葫芦与BARI piaz4配施对洋葱的生长和产量影响最大。

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来源期刊

Fundamental and Applied Agriculture

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审稿时长

12 weeks