Growth and yield of onion (Allium cepa L.) as influenced by application of organic and inorganic fertilizers

Abdul Bari Andishmand, Dr. Mohammad Safar Noori
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引用次数: 1

Abstract

This study was carried out to ascertain the effects of organic manure (farmyard manure, poultry manure, and vermicompost) and chemical fertilizers NPK (nitrogen, phosphorus, and potassium) on the growth and yield of onion. The research was consisting ten treatments with three replications. Different levels of nitrogen (0, 100, and 150 kg ha-1), phosphorus (0, 75, and 100 kg ha-1), potassium (0, 80, and 100 kg ha-1) fertilizers, and various rates of organic manures (20 ton ha-1 of farmyard manure, 20 t ha-1 of poultry manure and 15 t ha-1 of vermicompost) were applied to the soil at different combinations. The results of this study have shown that both inorganic fertilizers and organic manures significantly influenced all growth and yield parameters. Whereas, maximum plant height (50.50 cm) and bulb yield (30.75 t ha-1) were obtained at the combination of 20 t ha-1 farmyard manure + 150 kg ha-1 N + 100 kg ha-1 P2O5 + 100 kg ha-1 K2O. However, the minimum bulb yield (15.80 t ha-1) was observed with control where no fertilizer was applied. Therefore, application of 20 t ha-1 farmyard manure during field preparation followed by application of 150 kg ha-1 N + 100 kg ha-1 P2O5 + 100 kg ha-1 K2O can be recommended for optimal growth and maximum bulb yield of onion.
有机肥和无机肥对洋葱生长和产量的影响
本试验旨在研究有机肥(农家肥、禽肥和蚯蚓堆肥)和化肥(氮、磷、钾)对洋葱生长和产量的影响。这项研究包括10个治疗,3个重复。不同水平的氮肥(0、100和150 kg hm -1)、磷肥(0、75和100 kg hm -1)、钾肥(0、80和100 kg hm -1)和不同比例的有机肥料(20吨hm -1农家肥、20吨hm -1禽粪和15吨hm -1蚯蚓堆肥)以不同组合施用于土壤。研究结果表明,有机肥和无机肥对水稻生长和产量参数均有显著影响。而在20 t hm -1农家肥+ 150 kg hm -1 N + 100 kg hm -1 P2O5 + 100 kg hm -1 K2O的组合下,植株最高可达50.50 cm,球茎产量最高达30.75 t hm -1。然而,在不施肥的对照中,鳞茎产量最低(15.80吨每公顷)。因此,在大田准备时施用20 t ha-1农家肥,然后施用150 kg ha-1 N + 100 kg ha-1 P2O5 + 100 kg ha-1 K2O可达到洋葱的最佳生长和最高鳞茎产量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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