Phosphorus Balance in Sandy Soil Subjected to 12 Years of Successive Applications of Animal Manure and Mineral Phosphate Fertilizer in Subtropical Climate

IF 3.3 2区农林科学 Q1 AGRONOMY

Agriculture-Basel Pub Date : 2023-09-05 DOI:10.3390/agriculture13091762

Carina Marchezan, P. Ferreira, G. Boitt, Natalia Moreira Palermo, Anamariya Thoma, R. F. Vidal, Gustavo Scopel, C. R. Lourenzi, C. Ceretta, G. Brunetto

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Abstract

Assessing the phosphorus (P) balance in agricultural soils is crucial for optimizing its use and reducing contamination risks. The objective of this study was to evaluate the impact of different animal wastes on the distribution of P in soil profiles subjected to 12 years of successive applications of animal wastes and mineral phosphate fertilizer, within a crop rotation system under no-till system. The study was conducted from 2004 to 2016 in the southern region of Brazil. The treatments were the applications of pig slurry (PS), cattle slurry (CS), pig deep-litter (PD), mineral fertilizer (MF), and a control treatment without application. The highest accumulation of P and its movement was observed in the 0–40 cm layer, in the soil submitted to applications of all P sources. The inputs of P via MF, CS, PS, and PD promoted the accumulation of 18, 42, 48, and 100 kg P ha−1 year−1. The P mass balance showed that between 77 and 98% of the P added by animal manure and MF was accounted for in grain exports (17–34%), soil storage (41–72%), and post-harvest residues (<1%), with the remaining 2–33%, unaccounted for, which was attributed, especially, to P transfer at the soil surface.

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亚热带气候下连续施用动物粪便和矿物磷肥12年沙土磷平衡

评估农业土壤的磷平衡对于优化其利用和降低污染风险至关重要。本研究的目的是评价在免耕制度下连续施用动物粪便和矿物磷肥12年的轮作制度下，不同动物粪便对土壤剖面P分布的影响。该研究于2004年至2016年在巴西南部地区进行。分别施用猪浆(PS)、牛浆(CS)、猪深窝肥(PD)、矿物肥(MF)和不施用的对照处理。在所有磷源施用的土壤中，0 ~ 40 cm土层的磷积累和运移最高。通过MF、CS、PS和PD输入的磷分别促进了18、42、48和100 kg /年的磷肥积累。磷的质量平衡表明，畜禽粪便和饲料中添加的磷有77 ~ 98%来自粮食出口(17 ~ 34%)、土壤储存(41 ~ 72%)和收获后残留物(<1%)，其余2 ~ 33%来自土壤表面的磷转移。

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来源期刊

Agriculture-Basel Agricultural and Biological Sciences-Food Science

CiteScore

4.90

自引率

13.90%

发文量

1793

审稿时长

11 weeks

期刊介绍： Agriculture (ISSN 2077-0472) is an international and cross-disciplinary scholarly and scientific open access journal on the science of cultivating the soil, growing, harvesting crops, and raising livestock. We will aim to look at production, processing, marketing and use of foods, fibers, plants and animals. The journal Agriculturewill publish reviews, regular research papers, communications and short notes, and there is no restriction on the length of the papers. Our aim is to encourage scientists to publish their experimental and theoretical research in as much detail as possible. Full experimental and/or methodical details must be provided for research articles.