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Fig. 7 | Chemical and Biological Technologies in Agriculture

Fig. 7

From: Densely rooted rhizosphere hotspots induced around subsurface NH4 +-fertilizer depots: a home for soil PGPMs?

Fig. 7

PGPMs solubilize/clarify cloudy Ca–P precipitate but not rock phosphate (RP) or sewage sludge ash (SA). Cloudy Ca–P precipitate (Ca3(PO4)2) solubilized and clarified by Penicillium sp. PK 112 (a), Pseudomonas sp. DSMZ 13134 (b), Vitalin SP11 [combined product: Bacillus subtilis, Pseudomonas sp., Streptomyces spp., natural humic acids and seaweed extract (Ascophyllum nodosum)] (c), Paenibacillus mucilaginosus (d), Bacillus amyloliquefaciens FZB 42 (e). But it was not solubilized by Trichoderma harzianum T-22 (f). Growth of Pseudomonas sp. did not lead to any visual changes with RP (g) or SA (h). A piece of agar inverted to show SA sediment (i)

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