肥料对燕麦干草和谷物产量的特定影响：来自大规模田间试验的证据。

IF 3.3 2区农林科学 Q1 AGRICULTURE, MULTIDISCIPLINARY

Journal of the Science of Food and Agriculture Pub Date : 2024-11-12 DOI:10.1002/jsfa.14014

Liping Mao, Hongbo Zhang, Zengnan Yang, Yuan Li, Yuying Shen

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引用次数: 0

摘要

背景：燕麦（Avena sativa L.）是一种宝贵的作物，因为它对边缘环境有很强的适应性，在其他谷物可能无法生长的地区，燕麦是农业系统的重要组成部分。施用化肥会显著影响燕麦干草和谷物的产量。然而，关于燕麦干草和谷物产量对化肥添加反应的规模和变异性的大规模元分析研究仍然缺乏。本荟萃分析基于全球 83 项研究，量化了在不同环境条件（如土壤养分水平、质地和气候）下，添加化肥对燕麦干草和谷物产量的影响：结果：研究结果证实，施肥可使燕麦干草产量提高 48.9%，谷物产量提高 36.2%。这项研究表明，尽管时空差异很大，但氮磷钾平衡施肥一般都能提高燕麦干草和谷物产量。增强回归树（BRT）模型表明，干草和谷物产量的变化主要受土壤 pH 值和氮肥的影响。干草产量的响应比（施肥和不施肥时干草产量或谷物产量平均值的自然对数）随土壤 pH 值的变化呈线性下降。海拔是影响干草产量响应比变化的第二大因素，是影响谷物产量响应比变化的第三大因素，但气候条件并不是影响燕麦干草或谷物产量变化的主要因素：总之，这些结果将有利于生产者考虑对燕麦进行因地制宜的施肥管理。总之，这些结果将有利于生产者考虑因地制宜地进行施肥管理，从而提高产量，节省肥料投资，并有助于促进养分利用效率高的燕麦品种的遗传育种。作者：© 2024John Wiley & Sons Ltd 代表化学工业学会出版的《食品与农业科学杂志》。

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Site-specific effects of fertilizer on hay and grain yields of oats: evidence from large-scale field experiments.

Background: Oat (Avena sativa L.) is a valuable crop due to its strong adaptability to marginal environments, making it an important component of agricultural systems in regions where other cereals may not thrive. The application of chemical fertilizer can influence oat hay and grain yield significantly. However, large-scale meta-analytical studies of the size and variability of oat hay and grain yields in response to fertilizer addition are still lacking. Based on 83 studies worldwide, this meta-analysis quantifies the impact of the addition of fertilizer on oat hay and grain yields under varying environmental conditions (e.g., soil nutrient levels, texture, and climate).

Results: The results confirmed that the fertilizer application increased oat hay yield by 48.9% and grain yield by 36.2%. This study demonstrated that balanced fertilization with nitrogen, phosphorus, and potassium generally enhances oat hay and grain yield despite large temporal and spatial variations. Boosted regression tree (BRT) models suggest that changes in hay and grain yield were primarily dominated by soil pH and nitrogen fertilizer. The response ratio (the natural logarithm of the mean values of hay yield or grain yield with and without fertilization, respectively) of hay yield declined linearly with soil pH. Elevation was the second most important factor affecting the change in response ratio of hay yield and the third most important factor affecting the change in response ratio of grain yield but climatic conditions were not the dominant factors affecting changes in oat hay or grain yield.

Conclusion: Overall, these results will benefit producers considering site-specific fertilization management of oat. They could increase yields and save investment in fertilizer, and help to facilitate the genetic breeding of oat varieties with high nutrient use efficiency. © 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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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

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