Phosphate-solubilizing microbial inoculants for sustainable agriculture

Bandeppa, Sonth; Kumar, K. Mahesh; Latha, P.; Manjusha, P.G.S.; Phule, Amol S.; Chandrakala, C.

doi:10.1016/b978-0-323-91595-3.00010-0

Cited by 1 publication

(2 citation statements)

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“…Phosphate-solubilizing microorganisms technology improves saline-alkaline soil fertility and agricultural use without causing any environmental or deleterious health implication that accompanies the continuous use of synthetic fertilizers [24]. The phenomenon of P desorption by PSM usually occurs along with the drop of pH [25]. The ability of PSM to convert insoluble organic and inorganic phosphorus depends on the nutritional richness of the soil and the physiological and growth status of the organism.…”

Section: Phosphate Solubilization Sources and Mechanism Of Actionmentioning

confidence: 99%

“…Supernatant of blended cultures was filtered through 0.20-μm syringe filters (cellulose acetate), and the organic acid could then be detected using HPLC (shimadzu SPD-M20A) with PDA detector by using methanol 5% and 0.1% TFA 95% as mobile phase with flow rate of 1 ml per minute with column particle size 5 μm, length 25 cm, and column diameter 4.6 mm (Merck C18 column). The extent of P solubilization by the fungal strain could then be determined by measuring the clear zone (in mm) around the colonies by taking the halo zone formation into consideration [25,[41][42][43][44].…”

Section: Phosphate Solubilization Sources and Mechanism Of Actionmentioning

confidence: 99%

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Phosphate Solubilization Improvement for Plant Uptake from Phosphate Rock and Phosphate Solubilizing Microbes Consortium: Impact on Food Security

Bello¹,

Muhammad²,

Aliero³

et al. 2023

Sustainable Development

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Poverty alleviation in Sub-Saharan Africa is proportionally dependent on soil management. Low crop productivity has been linked to hunger and poverty as soil degradation is undeniably the cause. This chapter gives a general overview from major findings on how microbes could improve phosphate (P) levels in soils by enhancing its solubility. A cross-sectional study was under taken to highlight the role played by phosphate-solubilizing microbes—arbuscular mycorhizal fungi (AMF) and phosphate-solubilizing bacteria (PSB) in improving phosphate solubility. About 30–50% of phosphorus is organic which the plants could readily assimilate, while 50–70% is inorganic and inaccessible to plants. There are several mechanisms the plants utilize to optimize nutrient uptake from the root hairs to various parts of the plant to maximize crop production. The utilization of readily available minerals such as phosphate rock is known to play vital role in plant ecology and evolution, in checking drought stress, heavy metal toxicity, nutritional imbalances, plant pathogens, and salinity. Therefore, soil improvement using rock phosphate could potentially act in synergy with the phosphate-solubilizing microbes to boost phosphate levels in the soil. This could be a welcome development in low-income economies in the sub-Saharan Africa (SSA) to boost yield for profit maximization.

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Section: Phosphate Solubilization Sources and Mechanism Of Actionmentioning

confidence: 99%

Section: Phosphate Solubilization Sources and Mechanism Of Actionmentioning

confidence: 99%