ArticlePloS one2017
Responses of root physiological characteristics and yield of sweet potato to humic acid urea fertilizer.
Article in PloS one, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 78 citations in OpenAlex.
- Genome-wide comparative analysis of the HSP90 gene family in four Ipomoea species and functional insights into the potentiality of IbHSP90-2 in low temperature tolerance.Frontiers in plant science · 2026Article
- Humic Acid Enhances Soil Fertility and Microbial Diversity Under Optimized Nitrogen Fertilization in Quinoa Rhizosphere.Plants (Basel, Switzerland) · 2025Article
- The Application of Fulvic Acid Can Enhance the Performance of Rice Seedlings Under Low-Nitrogen Stress.Plants (Basel, Switzerland) · 2025Article
- Combined application of vermicompost and mineral K fertilizer improves root yield of sweet potato [Heliyon · 2025Article
- Article
- Effects of Bio and water-soluble fertilizers on sweet potato yield, quality and soil properties in a continuous cropping system under plastic film-mulched drip-fertigated field conditions.Scientific reports · 2024Article
- Plant growth and nitrate absorption and assimilation of two sweet potato cultivars with different N tolerances in response to nitrate supply.Scientific reports · 2024Article
- Effects of humic acid fertilizer on the growth and microbial network stability of Panax notoginseng from the forest understorey.Scientific reports · 2024Article
- Chitosan combined with humic applications during sensitive growth stages to drought improves nutritional status and water relations of sweet potato.Scientific reports · 2024Article
- Regulation of root development in nitrogen-susceptible and nitrogen-tolerant sweet potato cultivars under different nitrogen and soil moisture conditions.BMC plant biology · 2023Article
- Effects of coal-derived compound fertilizers on soil bacterial community structure in coal mining subsidence areas.Frontiers in microbiology · 2023Article
- Effects of foliar application of humic acid extracts and indole acetic acid on important growth indices of canola (Brassica napus L.).Scientific reports · 2022Article
- Article
- Functional organic fertilizers can alleviate tobacco (Frontiers in bioengineering and biotechnology · 2022Article
- Effect of Humic Acid Addition on Buffering Capacity and Nutrient Storage Capacity of Soilless Substrates.Frontiers in plant science · 2021Article
- Humic Acid Fertilizer Improved Soil Properties and Soil Microbial Diversity of Continuous Cropping Peanut: A Three-Year Experiment.Scientific reports · 2019Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Humic acid (HA), not only promote the growth of crop roots, they can be combined with nitrogen (N) to increase fertilizer use efficiency and yield. However, the effects of HA urea fertilizer (HA-N) on root growth and yield of sweet potato has not been widely investigated. Xushu 28 was used as the experimental crop to investigate the effects of HA-N on root morphology, active oxygen metabolism and yield under field conditions. Results showed that nitrogen application alone was not beneficial for root growth and storage root formation during the early growth stage. HA-N significantly increased the dry weight of the root system, promoted differentiation from adventitious root to storage root, and increased the overall root activity, total root length, root diameter, root surface area, as well as root volume. HA-N thus increased the activity of superoxide dismutase (SOD), peroxidase (POD), and Catalase (CAT) as well as increasing the soluble protein content of roots and decreasing the malondialdehyde (MDA) content. HA-N significantly increased both the number of storage roots per plant increased by 14.01%, and the average fresh weight per storage root increased by 13.7%, while the yield was also obviously increased by 29.56%. In this study, HA-N increased yield through a synergistic increase of biological yield and harvest index.
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