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Keywords = granular fungal fertilizer

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17 pages, 2311 KB  
Article
Effects of Powdered and Granular AMF on Maize Growth Under Low Fertilizer Conditions
by Ye Yuan, Zhengjun Feng, Huiping Song, Ao Yuan, Le Chang, Yan Zou, Munkhbat Dashdorj and Zhiwei Bian
J. Fungi 2026, 12(2), 123; https://doi.org/10.3390/jof12020123 - 9 Feb 2026
Viewed by 997
Abstract
Excessive fertilizer use drives soil degradation and resource waste. This study investigates how arbuscular mycorrhizal fungi (AMF) formulations (powder vs. granular) optimize maize (Zea mays L.) yield, soil microbiome, and economic benefits under 50% and 75% fertilizer reduction. Field trials showed that [...] Read more.
Excessive fertilizer use drives soil degradation and resource waste. This study investigates how arbuscular mycorrhizal fungi (AMF) formulations (powder vs. granular) optimize maize (Zea mays L.) yield, soil microbiome, and economic benefits under 50% and 75% fertilizer reduction. Field trials showed that the AMF powder formulation under 50% fertilizer reduction (AP50) increased maize yield by 14.67%. This increase was associated with rapid root colonization (85.3%), enhanced phosphorus availability, and the recruitment of beneficial fungi such as Mortierellomycota. Granular formulation at 75% reduction (AG75) achieved 7.18% yield gain via sustained symbiosis. Fungal communities exhibited greater sensitivity to fertilization than bacteria (Chao1, p = 0.0094), with AMF suppressing Fusarium by 42% while enriching functional taxa (Actinobacteria, Mortierellomycota). Economic analysis confirms that AP50 (30,435 CNY/ha) and AG75 (26,954 CNY/ha) yield higher net profits, where CNY denotes Chinese Yuan. Powder formulations maximize immediate benefits in medium- to low-fertility soils, whereas granules support long-term soil health in high-organic systems, providing a precision strategy for sustainable agriculture. Full article
(This article belongs to the Section Fungi in Agriculture and Biotechnology)
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18 pages, 2003 KB  
Article
Calibration of Physical Characteristic Parameters of Granular Fungal Fertilizer Based on Discrete Element Method
by Siyao Yu, Haoran Bu, Wancheng Dong, Zhen Jiang, Lixin Zhang and Yuanqing Xia
Processes 2022, 10(8), 1564; https://doi.org/10.3390/pr10081564 - 10 Aug 2022
Cited by 5 | Viewed by 2359
Abstract
Based on a combination of physical and simulation experiments, a set of basic physical characteristic parameters and contact parameters suitable for granular fungal fertilizers were calibrated, which up to now have received little attention. The physical morphological characteristic parameters (overall dimension, 1000 grain [...] Read more.
Based on a combination of physical and simulation experiments, a set of basic physical characteristic parameters and contact parameters suitable for granular fungal fertilizers were calibrated, which up to now have received little attention. The physical morphological characteristic parameters (overall dimension, 1000 grain weight, density, and moisture content), mechanical characteristic parameters (Poisson’s ratio, elastic modulus, and shear modulus), and contact parameters (static friction coefficient, rolling friction coefficient and recovery coefficient) of particles were measured through physical experiments. The parameters were screened for significance using the Plackett–Burman test. The results showed that the impact recovery coefficient, static friction coefficient, and rolling friction coefficient for the granular fungal fertilizer particles had a significant effect on the repose angle. The best range for the three parameters was determined using the steepest climbing test. The second-order regression model was optimized using the Box–Behnken design test. The relative error between the simulated repose angle (21.74°) and the physical test repose angle (21.84°) was small (0.50%). These optimal parameters obtained by calibration can provide a basis for the simulation analysis and parameter optimization of variable-rate fertilization systems. Full article
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