Soil Health Assessment of Incorporating Bagasse in a Commercial Sugarcane Production System on Mineral Soils

IF 2.6 3区农林科学 Q1 AGRONOMY

Journal of Plant Nutrition and Soil Science Pub Date : 2025-01-28 DOI:10.1002/jpln.202300355

Nan Xu, Jehangir H. Bhadha, Abul Rabbany, Stewart Swanson, James M. McCray, Yuncong Li, Sarah L. Strauss, Rao S. Mylavarapu

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引用次数: 0

Abstract

Background

Bagasse is a locally derived sugarcane (Saccharum spp.) by-product, which has the potential to improve the soil health of mineral soils.

Aims

This study aimed to determine the effects of bagasse on the soil health of an Entisol in Southern Florida.

Methods

A field experiment was conducted on a commercial sugarcane production farm for approximately 4 years, where four rates of bagasse, including 5 cm bagasse (85 Mg ha⁻¹), 10 cm bagasse (170 Mg ha⁻¹), 10 cm bagasse (170 Mg ha⁻¹) plus 336 kg ha⁻¹ ammonium nitrate, and one control (no bagasse), were incorporated into 15 cm topsoil. Soil health indicators, including bulk density (BD), water-holding capacity (WHC), soil pH, cation exchange capacity (CEC), organic matter (OM), active carbon (C), soil protein, and nutrient contents—nitrogen (N), phosphorus (P), and potassium (K)—were evaluated.

Results

A single application of bagasse at 170 Mg ha⁻¹ or 170 Mg ha⁻¹ plus 336 kg ha⁻¹ ammonium nitrate had positive short-term effects on OM accumulation in soils, resulting in higher WHC and lower BD. Bagasse also significantly decreased soil pH, which is good for sugarcane production on alkaline soils. Soil CEC, Mehlich-3 P and K levels, active C, and soil protein enhanced when bagasse was applied at 170 Mg ha⁻¹ or 170 Mg ha⁻¹ plus 336 kg ha⁻¹ ammonium nitrate, which indicated an improvement of the overall soil chemical and biological health status.

Conclusions

10 cm of bagasse (170 Mg ha⁻¹) was recommended as a soil organic amendment for mineral soils in Southern Florida.

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矿质土壤上蔗渣商业化甘蔗生产系统土壤健康评价

甘蔗渣是当地产甘蔗（Saccharum spp.）的副产品，具有改善矿质土壤土壤健康的潜力。目的本研究旨在确定甘蔗渣对南佛罗里达州一个Entisol土壤健康的影响。方法在一个商业甘蔗生产农场进行了为期约4年的田间试验，在15 cm表土中施用4种甘蔗渣，包括5 cm甘蔗渣（85 Mg ha−1）、10 cm甘蔗渣（170 Mg ha−1）、10 cm甘蔗渣（170 Mg ha−1）加336 kg ha−1硝酸铵，以及1个对照（不施用甘蔗渣）。土壤健康指标包括容重（BD）、持水能力（WHC）、土壤pH、阳离子交换能力（CEC）、有机质（OM）、活性炭(C)、土壤蛋白质和养分含量(氮(N)、磷（P)和钾(K)）。结果单次施用170 Mg ha−1或170 Mg ha−1加336 kg ha−1硝酸铵对土壤OM积累有积极的短期影响，使土壤WHC升高，BD降低，甘蔗渣还显著降低了土壤pH，有利于在碱性土壤上生产甘蔗。170 Mg ha−1或170 Mg ha−1加336 kg ha−1硝酸铵处理显著提高了土壤CEC、Mehlich-3 P和K水平、活性C和土壤蛋白质水平，表明土壤整体化学和生物健康状况得到改善。结论10 cm甘蔗渣（170 Mg ha−1）可作为南佛罗里达州矿质土壤的有机改良剂。

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 Plant Nutrition and Soil Science 农林科学-农艺学

CiteScore

4.70

自引率

8.00%

发文量

审稿时长

8-16 weeks

期刊介绍： Established in 1922, the Journal of Plant Nutrition and Soil Science (JPNSS) is an international peer-reviewed journal devoted to cover the entire spectrum of plant nutrition and soil science from different scale units, e.g. agroecosystem to natural systems. With its wide scope and focus on soil-plant interactions, JPNSS is one of the leading journals on this topic. Articles in JPNSS include reviews, high-standard original papers, and short communications and represent challenging research of international significance. The Journal of Plant Nutrition and Soil Science is one of the world’s oldest journals. You can trust in a peer-reviewed journal that has been established in the plant and soil science community for almost 100 years. Journal of Plant Nutrition and Soil Science (ISSN 1436-8730) is published in six volumes per year, by the German Societies of Plant Nutrition (DGP) and Soil Science (DBG). Furthermore, the Journal of Plant Nutrition and Soil Science (JPNSS) is a Cooperating Journal of the International Union of Soil Science (IUSS). The journal is produced by Wiley-VCH. Topical Divisions of the Journal of Plant Nutrition and Soil Science that are receiving increasing attention are: JPNSS – Topical Divisions Special timely focus in interdisciplinarity: - sustainability & critical zone science. Soil-Plant Interactions: - rhizosphere science & soil ecology - pollutant cycling & plant-soil protection - land use & climate change. Soil Science: - soil chemistry & soil physics - soil biology & biogeochemistry - soil genesis & mineralogy. Plant Nutrition: - plant nutritional physiology - nutrient dynamics & soil fertility - ecophysiological aspects of plant nutrition.