Effects of willow cultivation on chemical and biological properties in coastal saline soil

IF 2.3 4区农林科学 Q1 AGRONOMY

Archives of Agronomy and Soil Science Pub Date : 2023-01-12 DOI:10.1080/03650340.2023.2165645

Meng Xiao, Guangming Liu, Xuewei Guan, Jinbiao Li, Jinlin Chen, R. Yao, Jingsong Yang, Weixia Sun

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Abstract

ABSTRACT The improvement effect of willow (Salix matsudana cv. zhuliu) cultivation on coastal saline soil and the main factors affecting soil properties were studied. Three treatments were designed: willow seeding site (SS), willow afforestation site (AS) and natural control site (CK). The results showed that soil pH and ECe decreased from 8.50 to 7.43 and from 6.8 dS/m to 0.8 dS/m at 0–20 cm layer, respectively. Willow cultivation significantly increased soil organic matter both in SS (3.64 g kg−1 – 4.05 g kg −1) and AS (2.82 g kg−1 – 3.92 g kg −1) treatments. The soil total nitrogen and available potassium of different treatments were increased with time and ranked AS > SS > CK. The AS16 treatment has a higher soil enzyme activity (soil urease, catalase, sucrase and phosphatase) and soil microbial population (bacteria, fungi and actinomycetes). Redundancy analysis suggested that soil pH and salinity were the key factors (85.4%) determining soil microbial quantities. Principal component analysis showed that the soil improvement by willow cultivation was significantly affected by soil enzyme activity, and AS16 had a better effect on costal saline soil especially in reducing soil salinity and improving microbial environment

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滨海盐渍土柳树栽培对化学和生物特性的影响

摘要研究了朱柳对滨海盐渍土的改良效果及影响土壤性质的主要因素。设计了三个处理：柳树播种点（SS）、柳树造林点（AS）和自然对照点（CK）。结果表明，在0–20cm土层，土壤pH和ECe分别从8.50降至7.43和从6.8dS/m降至0.8dS/m。柳树栽培显著增加了SS（3.64 g kg−1–4.05 g kg−2）和AS（2.82 g kg−3.92 g kg–1）处理的土壤有机质。不同处理的土壤总氮和有效钾均随时间的推移而增加，排序为AS>SS>CK。AS16处理具有较高的土壤酶活性（土壤脲酶、过氧化氢酶、蔗糖酶和磷酸酶）和土壤微生物种群（细菌、真菌和放线菌）。冗余度分析表明，土壤pH和盐度是决定土壤微生物数量的关键因素（85.4%）。主成分分析表明，柳树栽培对土壤的改良受土壤酶活性的显著影响，AS16对滨海盐渍土的改良效果较好，尤其是在降低土壤盐分和改善微生物环境方面

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来源期刊

Archives of Agronomy and Soil Science AGRONOMY-SOIL SCIENCE

CiteScore

5.50

自引率

4.20%

发文量

107

期刊介绍： rchives of Agronomy and Soil Science is a well-established journal that has been in publication for over fifty years. The Journal publishes papers over the entire range of agronomy and soil science. Manuscripts involved in developing and testing hypotheses to understand casual relationships in the following areas: plant nutrition fertilizers manure soil tillage soil biotechnology and ecophysiology amelioration irrigation and drainage plant production on arable and grass land agroclimatology landscape formation and environmental management in rural regions management of natural and created wetland ecosystems bio-geochemical processes soil-plant-microbe interactions and rhizosphere processes soil morphology, classification, monitoring, heterogeneity and scales reuse of waste waters and biosolids of agri-industrial origin in soil are especially encouraged. As well as original contributions, the Journal also publishes current reviews.