评估小麦秸秆堆肥:关于堆肥质量和磷含量以改善土壤生化反应和玉米生长的研究

IF 3.4 3区 农林科学 Q2 ENVIRONMENTAL SCIENCES
Elham Sadeghi, Reza Ghorbani Nasrabadi, Seyed Alireza Movahedi Naini, Mojtaba Barani Motlagh, Mostafa Khoshhal Sarmast
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引用次数: 0

摘要

本研究的目的是调查堆肥方法对堆肥结构变化的影响,并评估堆肥、磷含量和链霉菌接种对黄土中土壤生化特性和饲用玉米生长的影响。研究了同时施用尿素和接种链霉菌对小麦秸秆分解和成熟堆肥形成的影响。土壤中充分混合了 2% 的堆肥(单质堆肥(C1)和富集堆肥(C2))和四种水平的磷(0、10、40 和 100 mg kg-1);此外,在玉米种子上接种了两种水平的链霉菌。场发射扫描电子显微镜和傅立叶变换红外光谱显示了堆肥过程中的成分和形态变化。盆栽实验表明,富集堆肥、接种链霉菌和施用磷肥可促进玉米生长。这些处理大大增加了植物的生物量和养分含量。土壤生化分析表明,堆肥和链霉菌提高了微生物活性、酶水平和有机碳含量。施磷提高了土壤肥力和酶活性。同时施用堆肥、三重过磷酸钙和接种链霉菌可显著提高土壤可利用磷和植物含磷量。这项研究的结果突出表明,将堆肥、磷和链霉菌结合起来,对优化玉米生长和增强关键的土壤微生物和生化功能非常重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Assessing the Co-composting of Wheat Straw: A Study on Compost Quality and Phosphorus Levels for Improved Soil Biochemical Responses and Maize Growth

Assessing the Co-composting of Wheat Straw: A Study on Compost Quality and Phosphorus Levels for Improved Soil Biochemical Responses and Maize Growth

The objective of this study was to investigate the influence of composting method on changes in compost structure and to evaluate the effects compost, phosphorous levels and Streptomyces inoculation on soil biochemical properties and the growth of forage maize in a loess soil. The effect of simultaneous application of urea and Streptomyces inoculation in the decomposition of wheat straw and the formation of mature compost was investigated. A 90-day pot experiment was conducted to assess the alterations in soil microbial activity, enzymatic activity, nutrient concentrations in both soil and plants, and the growth characteristics of maize plants The soil was thoroughly mixed with 2% compost (simple (C1) and enriched (C2)) and four levels of phosphorus (0, 10, 40, and 100 mg kg−1); Additionally, two levels of Streptomyces were inoculated on maize seeds. Field emission scanning electron microscopy and Fourier transform infrared spectroscopy revealed compositional and morphological changes during composting. Pot experiment demonstrated enhanced maize growth with enriched compost, Streptomyces inoculation and phosphorus fertilization. These treatments significantly increased plant biomass and nutrient content. Soil biochemical analysis showed increased microbial activity, enzyme levels, and organic carbon content with compost and Streptomyces. Phosphorus application improved soil fertility and enzymatic activity. Simultaneous application of compost, triple superphosphate and inoculation with Streptomyces led to a significant increase in soil-available phosphorus and plant phosphorus content. The findings of this study highlight the importance of combining compost, phosphorus, and Streptomyces for optimal maize growth and enhancing crucial soil microbial and biochemical functions.

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来源期刊
Journal of Soil Science and Plant Nutrition
Journal of Soil Science and Plant Nutrition Agricultural and Biological Sciences-Soil Science
CiteScore
5.90
自引率
10.30%
发文量
331
审稿时长
9 months
期刊介绍: The Journal of Soil Science and Plant Nutrition is an international, peer reviewed journal devoted to publishing original research findings in the areas of soil science, plant nutrition, agriculture and environmental science. Soil sciences submissions may cover physics, chemistry, biology, microbiology, mineralogy, ecology, pedology, soil classification and amelioration. Plant nutrition and agriculture submissions may include plant production, physiology and metabolism of plants, plant ecology, diversity and sustainability of agricultural systems, organic and inorganic fertilization in relation to their impact on yields, quality of plants and ecological systems, and agroecosystems studies. Submissions covering soil degradation, environmental pollution, nature conservation, and environmental protection are also welcome. The journal considers for publication original research articles, technical notes, short communication, and reviews (both voluntary and by invitation), and letters to the editor.
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