利用植物生长促进细菌进行生物施肥;接种后蚯蚓粪水提取物中营养成分浓度对番茄产量和品质的影响

IF 1.4 4区 农林科学 Q3 AGRONOMY
J. Ruiz, María Del Carmen Salas Sanjuan
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引用次数: 9

摘要

摘要植物营养缺乏会降低作物的发育和产量,在高产集约型作物生产系统中以及当有机材料被用作唯一的营养来源时,这一问题尤其严重。有机农业中使用的水提取物,如堆肥或蚯蚓堆肥茶,通常缺乏大量营养素和离子失衡。然而,当有机材料被用作肥料时,它们通常与植物生长促进细菌(PGPB)结合使用,这可以提高营养物质的可用性。在这项研究中,PGPB被用作一种工具,在不使用合成肥料的情况下促进园艺作物的营养。在两个番茄生产周期中,测试了三种细菌(葡萄酒固氮菌(AV)、巨大芽孢杆菌(BM)和金黄色Frateuria aurantia(FA)),即(i)接种到蚯蚓堆肥水提取物中,以及(ii)通过灌溉施肥直接施加到生长培养基中。结果表明,在不添加PGPB的情况下,从蚯蚓堆肥制成的充气水溶液中可以获得具有足够浓度的主要营养离子的平衡营养溶液。在第二次试验中,将PGPB接种到用朱堆肥茶施肥的番茄生长基质中,显著提高了番茄果实的产量和质量,增加了植物对营养的吸收,并提高了生长基质中的酶活性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The use of plant growth promoting bacteria for biofertigation; effects on concentrations of nutrients in inoculated aqueous vermicompost extract and on the yield and quality of tomatoes
ABSTRACT Plant nutrient deficiencies can reduce crop development and yields and can be especially problematic in high-yielding intensive crop production systems and when organic materials are used as the only source of nutrients. Aqueous extracts used in organic agriculture, such as compost – or vermicompost-tea, often have deficiencies in macro-nutrients and ionic imbalances. However, when organic materials are used as fertilisers, they are often applied in combination with plant growth promoting bacteria (PGPB), which can improve the availability of the nutrients. In this study, PGPB were used as a tool to facilitate the nutrition of horticultural crops without using synthetic fertilisers. Three bacterial species (Azotobacter vinelandii (AV), Bacillus megaterium (BM) and Frateuria aurantia (FA)) were tested as (i) inoculated to an aqueous vermicompost extract and (ii) applied directly by fertigation to the growing medium in two tomato production cycles. The results showed that it was possible to obtain a balanced nutrient solution, with adequate concentrations of the main nutrient ions, from an aqueous and aerated solution made from vermicompost, without the addition of PGPB. In the second trial, the inoculation with PGPB to the growing substrate for tomatoes fertigated with vermicompost tea, resulted in significant increases in the yield and quality of the tomato fruit, increased nutrient assimilation by the plants and increased enzymatic activity in the growing substrate.
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来源期刊
Biological Agriculture & Horticulture
Biological Agriculture & Horticulture 农林科学-农艺学
CiteScore
3.30
自引率
6.70%
发文量
18
审稿时长
>36 weeks
期刊介绍: Biological Agriculture & Horticulture aims to act as the central focus for a wide range of studies into alternative systems of husbandry, and particularly the biological or organic approach to food production. The Journal publishes work of a sound scientific or economic nature related to any aspect of biological husbandry in agriculture, horticulture and forestry in both temperate and tropical conditions, including energy and water utilization, and environmental impact.
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