Supplementation of P-solubilizing purple nonsulfur bacteria, Rhodopseudomonas palustris improved soil fertility, P nutrient, growth, and yield of Cucumis melo L.

IF 1.8 Q2 AGRICULTURE, MULTIDISCIPLINARY
L. Xuan, Nguyen Phuong Truc Huyen, Lê Thị Mỹ Thu, Vo Thi Bich Thuy, Le Minh Tuan, L. T. Quang, Nguyen Thi Xuan Dao, L. Thuc, N. Khuong
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Abstract

Abstract The study was aimed to evaluate the efficacy of supplying a mixture of four phosphorus (P)-solubilizing purple nonsulfur bacteria strains, Rhodopseudomonas palustris VNW64, VNS89, TLS06, and VNW02 (P-solubilizing purple nonsulfur bacteria (PS-PNSB)) on soil properties, P uptake, growth, and yield of canary melon (Cucumis melo L.). The experiment consisted of eight treatments, including 100% P (150 kg P2O5 ha−1) as recommended, 75% P, 50% P (75 kg P2O5 ha−1), and no fertilizers, and these treatments with adding PS-PNSB mixture. The results showed that supplying the PS-PNSB mixture had improved the soil pH and the available P content. Moreover, fertilizing 100% P with the mixture of the four PS-PNSB strains resulted in the greatest P uptake (7.88 kg P ha−1). However, interestingly, when supplying 75% P with the PS-PNSB mixture, the P uptake was 6.11 kg P ha−1 and was statistically equal to the 100% P treatment (5.87 kg P ha−1). This could be found in other parameters. Therefore, supplying the PS-PNSB mixture can be claimed to reduce 25% P, but still maintain plant height, fruit length, fruit perimeter, and yield of canary. In addition, supplying the PS-PNSB mixture contributed to a 5.26–9.42% increase in the canary melon yield among P fertilizer rates. Based on the aforementioned results, the PS-PNSB mixture in the current study should be further commercialized and transferred for farmers’ use to enhance the yield of canary melons and reduce the rate of chemical fertilizers for the ultimate goal of sustainable agriculture. Graphical abstract
补充钾溶解紫色非硫细菌--Rhodopseudomonas palustris 可改善土壤肥力、钾养分、瓜类的生长和产量。
摘要 该研究旨在评估提供四种磷(P)溶解紫色非硫细菌菌株(Rhodopseudomonas palustris VNW64、VNS89、TLS06 和 VNW02)的混合物(磷溶解紫色非硫细菌(PS-PNSB))对金丝小瓜(Cucumis melo L.)的土壤特性、P 吸收、生长和产量的影响。试验包括 8 个处理,包括推荐的 100% P(150 kg P2O5 ha-1)、75% P、50% P(75 kg P2O5 ha-1)和不施肥,以及添加 PS-PNSB 混合物的处理。结果表明,施用 PS-PNSB 混合物改善了土壤的 pH 值和可利用钾的含量。此外,用四种 PS-PNSB 菌株的混合物施用 100%的磷肥,土壤对磷的吸收率最高(7.88 千克 P ha-1)。然而,有趣的是,当使用 PS-PNSB 混合物施用 75% 的 P 时,P 的吸收量为 6.11 千克 P(公顷-1),在统计学上与 100% P 处理(5.87 千克 P(公顷-1))相当。其他参数也是如此。因此,供应 PS-PNSB 混合物可减少 25% 的 P,但仍能保持金丝雀的株高、果实长度、果实周长和产量。此外,施用 PS-PNSB 混合物后,在不同钾肥施用量下,金丝小枣产量增加了 5.26%-9.42%。基于上述结果,本研究中的 PS-PNSB 混合物应进一步商业化并推广给农民使用,以提高金丝小瓜的产量并减少化肥用量,最终实现可持续农业的目标。图表摘要
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来源期刊
Open Agriculture
Open Agriculture AGRICULTURE, MULTIDISCIPLINARY-
CiteScore
3.80
自引率
4.30%
发文量
61
审稿时长
9 weeks
期刊介绍: Open Agriculture is an open access journal that publishes original articles reflecting the latest achievements on agro-ecology, soil science, plant science, horticulture, forestry, wood technology, zootechnics and veterinary medicine, entomology, aquaculture, hydrology, food science, agricultural economics, agricultural engineering, climate-based agriculture, amelioration, social sciences in agriculuture, smart farming technologies, farm management.
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