Selecting an optimal sorghum cultivar can improve nitrogen availability and wheat yield in crop rotation.

IF 3.3 2区农林科学 Q1 AGRICULTURE, MULTIDISCIPLINARY

Journal of the Science of Food and Agriculture Pub Date : 2024-10-26 DOI:10.1002/jsfa.13969

Izargi Vega-Mas, Estefanía Ascencio-Medina, Sergio Menéndez, Jon González-Torralba, Carmen González-Murua, Daniel Marino, María Begoña González-Moro

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引用次数: 0

Abstract

Background: Sorghum (Sorghum bicolor L. Moench) is a cereal crop known for its biological nitrification inhibition (BNI) capacity, a plant-mediated activity limiting nitrification pathway. The use of BNI-producing plants represents an environmentally friendly and cost-effective approach to reduce nitrogen (N) losses, such as nitrate (NO₃ ^-) leaching and nitrous oxide (N₂O) gas emissions. The present study aimed to test the effectiveness of different S. bicolor cultivars in rotation to retain ammonium (NH₄ ⁺) in soils and promote N availability for the subsequent wheat crop. A two-year field rotation was established with four sorghum cultivars followed by winter wheat (Triticum aestivum L.). Urea alone or combined with the urease inhibitor N-(n-butyl) thiophosphoric triamide was applied to promote a NH₄ ⁺-based fertilization regimes.

Results: AddingN-(n-butyl) thiophosphoric triamide maintained higher soil NH₄ ⁺ content and reduced ammonia-oxidizing bacteria population during sorghum cultivation. However, the benefits of the inhibitor on sorghum growth were cultivar-dependent. Notably, the further reduction in ammonia-oxidizing bacteria abundance for sorghum Voyenn and the increased soil NH₄ ⁺ content for Vilomene suggested a BNI potential for these cultivars. Importantly, the Vilomene precedent enhanced wheat yield for both fertilization regimes.

Conclusion: Overall, the present study confirms that sorghum is a suitable catch crop and emphasizes the importance of selecting the proper sorghum cultivar to maximize the yield of the target wheat crop, at the same time as minimizing N losses. Furthermore, developing combined strategies with selected sorghum cultivars and the application of urease inhibitors enables to enhance sorghum productivity as forage, achieving added value to the rotation. © 2024 The Author(s). Journal of the Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.

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在轮作中，选择最佳的高粱栽培品种可以提高氮素利用率和小麦产量。

背景：高粱（Sorghum bicolor L. Moench）是一种谷类作物，以其生物硝化抑制（BNI）能力而闻名，这是一种由植物介导的限制硝化途径的活动。使用产生 BNI 的植物是减少氮（N）损失（如硝酸盐（NO3-）沥滤和一氧化二氮（N2O）气体排放）的一种环境友好且具有成本效益的方法。本研究旨在测试不同 S. bicolor 栽培品种在轮作中保留土壤中的铵（NH4 +）并促进后续小麦作物对氮的利用的有效性。田间轮作为期两年，先种植四种高粱，然后种植冬小麦（Triticum aestivum L.）。施用单独的尿素或结合脲酶抑制剂 N-（正丁基）硫代磷酸三酰胺，以促进以 NH4 + 为基础的施肥制度：结果：在高粱种植过程中，添加 N-（正丁基）硫代磷酸三酰胺可保持较高的土壤 NH4 + 含量，并减少氨氧化细菌的数量。然而，抑制剂对高粱生长的益处与栽培品种有关。值得注意的是，高粱 Voyenn 的氨氧化细菌数量进一步减少，而高粱 Vilomene 的土壤 NH4 + 含量增加，这表明这些栽培品种具有 BNI 的潜力。重要的是，Vilomene 的先例提高了两种施肥制度下的小麦产量：总之，本研究证实了高粱是一种合适的追肥作物，并强调了选择合适的高粱栽培品种以最大限度提高目标小麦作物产量，同时最大限度减少氮损失的重要性。此外，利用选定的高粱栽培品种和施用脲酶抑制剂制定组合策略，还能提高高粱作为饲草的产量，实现轮作的附加值。© 2024 作者姓名John Wiley & Sons Ltd 代表化学工业学会出版的《食品与农业科学杂志》。

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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来源期刊

Journal of the Science of Food and Agriculture 工程技术-农业综合

CiteScore

8.10

自引率

4.90%

发文量

634

审稿时长

3.1 months

期刊介绍： The Journal of the Science of Food and Agriculture publishes peer-reviewed original research, reviews, mini-reviews, perspectives and spotlights in these areas, with particular emphasis on interdisciplinary studies at the agriculture/ food interface. Published for SCI by John Wiley & Sons Ltd. SCI (Society of Chemical Industry) is a unique international forum where science meets business on independent, impartial ground. Anyone can join and current Members include consumers, business people, environmentalists, industrialists, farmers, and researchers. The Society offers a chance to share information between sectors as diverse as food and agriculture, pharmaceuticals, biotechnology, materials, chemicals, environmental science and safety. As well as organising educational events, SCI awards a number of prestigious honours and scholarships each year, publishes peer-reviewed journals, and provides Members with news from their sectors in the respected magazine, Chemistry & Industry . Originally established in London in 1881 and in New York in 1894, SCI is a registered charity with Members in over 70 countries.