Impacts on soil chemical quality caused by supplemental feeding to beef cattle while on dry-season pasture in tropical Brazil

IF 3.1 2区农林科学 Q2 SOIL SCIENCE

Geoderma Regional Pub Date : 2025-03-01 DOI:10.1016/j.geodrs.2025.e00938

Joaquim P. de Lima , Matheus B. Soares , Onã da S. Freddi , Eduardo da S. Matos , Elismar dos Anjos , Dalton H. Pereira , Anderson Lange , Carlos Cesar Breda

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引用次数: 0

Abstract

The increasing demand for food worldwide has encouraged the development of production systems to optimize land use. Therefore, supplementing beef cattle pasture during the dry season (ITP) appears as a strategy to intensify meat production and enhance land use. However, little is known about ITP's effect on soil chemical quality in tropical regions in Brazil. Thus, the study aimed to evaluate ITP's effect on soil chemical quality, as well as the consequences of ITP's introduction in the spatial soil distribution of the following nutrients: carbon and nitrogen. The experiment was carried out in Sinop County, Mato Grosso State, Brazil - Southern Amazonian Region. The spatial distribution of soil chemical features related to acidity became continuous after ITP application to the surface soil layer. ITP improved soil chemical quality in the dry season, ITP and its production strategy provided the soil with: monoammonium phosphate (MAP ∼46 % P₂O₅), potassium chloride (KCl ∼ 60 % K₂O), CaCO_3, and MgCO₃ at amounts of 15, 111, 93, and 59 kg ha⁻¹ in the 0–0.20 m layer, respectively, in addition to the production of 502 kg ha⁻¹ of meat within 102 days. ITP proved to be an environmentally friendly and economically viable alternative for soil use during the dry season.

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巴西热带旱季牧场补饲肉牛对土壤化学质量的影响

世界范围内对粮食日益增长的需求鼓励了生产系统的发展，以优化土地利用。因此，在旱季补充肉牛牧场似乎是加强肉类生产和加强土地利用的一种战略。然而，人们对ITP对巴西热带地区土壤化学质量的影响知之甚少。因此，本研究旨在评价ITP对土壤化学质量的影响，以及ITP对土壤空间分布中碳和氮两种养分的影响。实验在巴西南亚马逊地区马托格罗索州锡诺普县进行。在表层施用ITP后，与酸度相关的土壤化学特征的空间分布呈现连续性。ITP改善了旱季土壤的化学质量，ITP及其生产策略在0-0.20 m层分别为土壤提供了15、111、93和59 kg ha - 1的磷酸一铵（MAP ~ 46% P2O5）、氯化钾（KCl ~ 60% K2O）、CaCO3和MgCO3，并在102天内生产了502 kg ha - 1的肉。ITP已被证明是一种环境友好和经济上可行的旱季土壤利用替代方案。

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来源期刊

Geoderma Regional Agricultural and Biological Sciences-Soil Science

CiteScore

6.10

自引率

7.30%

发文量

122

审稿时长

76 days

期刊介绍： Global issues require studies and solutions on national and regional levels. Geoderma Regional focuses on studies that increase understanding and advance our scientific knowledge of soils in all regions of the world. The journal embraces every aspect of soil science and welcomes reviews of regional progress.