灌溉和施氮对番茄氮素吸收的影响

S. Sachin, N.K. Sathyamoorthy, M. Kavitha, K. Boomiraj, G.A. Dheebakaran, V. Geethalakshmi
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引用次数: 0

摘要

背景:氮在植物生长循环和发育中起着至关重要的作用,从而影响植物的生长和生产力。了解不同灌溉方式和氮肥对氮素吸收的相互作用,可以为优化番茄产量提供有价值的见解。因此,本研究旨在探讨不同氮肥和灌溉制度下氮素吸收对番茄生产的影响。方法:2022 ~ 2023年采用2个灌溉主小区和5个不同氮肥次小区的田间试验设计。灌溉处理为0.6和0.8 IW/CPE,氮肥处理为常规尿素、印楝包覆尿素、硫酸铵、纳米尿素和蚯蚓堆肥。结果:蚯蚓堆肥与纳米尿素混合施用的氮素吸收率分别为0.6和0.8 IW/CPE。此外,最佳灌溉条件对番茄氮素吸收和随后的果实产量有积极影响。这一发现强调了在确定氮肥施用量和灌溉管理策略时考虑氮吸收的重要性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of Irrigation Regimes and Nitrogenous Fertilization on Nitrogen Uptake in Tomato
Background:Nitrogen plays a crucial role in growth cycling and development, thereby influencing the plant growth and productivity. Understanding the interactions between nitrogen uptake with different irrigation and nitrogen fertilizers could provide a valuable insight for optimizing tomato production. Hence, this study aimed to investigate the effect of nitrogen uptake on tomato production under different nitrogen fertilizer and irrigation regimes. Methods:The field experiment was carried out during 2022-2023 in split plot design with two irrigation main plots treatments and five different nitrogen fertilizer subplot treatments. Irrigation treatments consisted of 0.6 and 0.8 IW/CPE ratio and the nitrogen fertilizer treatments comprised of conventional urea, neem coated urea, ammonium sulfate, nano-urea and vermicompost. Result: A higher nitrogen uptake was observed in the treatment combination of 0.6 and 0.8 IW/CPE ratio with vermicompost and nano-urea fertilizer applied treatments. Additionally, optimal irrigation conditions positively influenced nitrogen uptake and subsequent tomato fruit yield. This finding emphasizes the importance of considering nitrogen uptake when determining nitrogen fertilizer rates and irrigation management strategies for tomato production.
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