动物粪便的农艺磷肥价值与小麦生产中的磷酸一铵相当

IF 6.4 1区农林科学 Q1 AGRICULTURE, MULTIDISCIPLINARY

Agriculture, Ecosystems & Environment Pub Date : 2025-09-12 DOI:10.1016/j.agee.2025.109973

Maryam Barati , Timothy I. McLaren , Chelsea Janke , Simon Diffey , Michael J. Reading , Abraham Gibson , Terry J. Rose

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引用次数: 0

摘要

如果动物粪便具有相似的农艺磷(P)肥料价值，它们可能是岩石磷肥的可持续替代品。如果需要更高的粪肥施用量来匹配作物对矿质磷肥的产量反应，土壤磷素就会积累，农业系统的磷素利用效率就会降低。本研究比较了不同肥料与磷酸一铵（MAP）的P肥值。一项磷剂量效应试验评估了与MAP相比，牛（CaM）、鸡（ChM）和猪（PiM）粪便对小麦生长（生物量、粮食产量）和砂硝中磷吸收的影响。在arennosol和Ferralsol中，还评估了地下带状与掺入的影响，并在选定的处理中分析了收获后土壤P组分。为达到95% %的最大产量，所需施磷肥量依次为：PiM >； CaM = MAP >； ChM。在高施肥量条件下，ChM处理由于钠毒性导致生长不良。与带状MAP相比，经表土混合的CaM和PiM使生物量（最大生物量的95 %）和粮食产量（最大生物量的95 %）分别提高了12. %和9.9 %，粮食产量（最大生物量的95 %）分别提高了19.7%和20.9 %。在高磷吸收量的Ferralsol中，亚表面带增强了P的吸收，而在低磷吸收量的arennosol中，掺入增强了P的吸收。在Ferralsol中，碳酸氢钠可萃取的有机P （NaHCO₃-Po）馏分和MAP可萃取的无机P （NaHCO₃-Pi）馏分保留了更多的P。牛粪和PiM对小麦产量的磷肥价值与MAP相当或更高，施用方式可能影响磷素有效性。这些结果表明，在小麦生产中，某些肥料可以达到或超过MAP的农艺磷肥值。

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Agronomic phosphorus fertiliser value of animal manures is comparable to monoammonium phosphate for wheat production

Animal manures may be a sustainable alternative to rock phosphate-based fertilisers, provided they have similar agronomic phosphorus (P) fertiliser values. If higher application rates from manure are required to match crop yield responses to mineral P fertilisers, soil P can accumulate and P use efficiency of the farming system is reduced. This study investigated the P fertiliser value of various manures compared to monoammonium phosphate (MAP). A P dose-response experiment assessed the impact of cattle (CaM), chicken (ChM), and pig (PiM) manures compared to MAP on wheat growth (biomass, grain yield) and P uptake in an Arenosol. The effects of subsurface banding versus incorporation were also evaluated in an Arenosol and a Ferralsol, with post-harvest soil P fractions analysed in selected treatments. To achieve 95 % maximum grain yield, P rates required were in order PiM > CaM = MAP > ChM. The ChM treatment had poor growth at high manure application rates due to sodium toxicity. Mixed through the topsoil, CaM and PiM increased biomass (95 % of maximum) by 12.3 % and 9.9 % and grain yield (95 % of maximum) by 19.7 and 20.9 % relative to banded MAP. Subsurface banding enhanced P uptake in a high P-sorbing Ferralsol, while incorporation enhanced uptake in a low P-sorbing Arenosol. In the Ferralsol, more P was retained in the sodium bicarbonate extractable organic P (NaHCO₃-P_o) fraction with CaM and in the inorganic P (NaHCO₃-P_i) fraction with MAP. Cattle manure and PiM had comparable or greater P fertiliser value than MAP for wheat yields, with the application method likely impacting P availability. These findings demonstrate that certain manures can match or exceed the agronomic P fertiliser value of MAP in wheat production.

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来源期刊

Agriculture, Ecosystems & Environment 环境科学-环境科学

CiteScore

11.70

自引率

9.10%

发文量

392

审稿时长

26 days

期刊介绍： Agriculture, Ecosystems and Environment publishes scientific articles dealing with the interface between agroecosystems and the natural environment, specifically how agriculture influences the environment and how changes in that environment impact agroecosystems. Preference is given to papers from experimental and observational research at the field, system or landscape level, from studies that enhance our understanding of processes using data-based biophysical modelling, and papers that bridge scientific disciplines and integrate knowledge. All papers should be placed in an international or wide comparative context.