Fungi on New Fungi on New Char Char Micropores Micropores Fungi on 100 Year Old Fungi on 100 Year Old Char Char biochar is sought out by mycorrhizal biochar is sought out by mycorrhizal fungi, fungi, other microbes and plant root hairs other microbes and plant root hairs “ “ microbial reef microbial reef ” ” Terra Preta Terra Preta is equivalent to coral reef in the sea is equivalent to coral reef in the sea click to continue Terra Preta Terra Preta Biochar added to soil Biochar added to soil provides nutrient & water storage provides nutrient & water storage for mycorrhizal fungi for mycorrhizal fungi Hyphae invade biochar pores Hyphae invade biochar pores and support spore reproduction and support spore reproduction Makato Ogawa Makato Ogawa Kansai Environmental Kansai Environmental Research Research Sponge Sponge Substrate Substrate Chunks of Char Chunks of Char water & nutrient adsorption water & nutrient adsorption internal storage internal storage capacity capacity slow, gradual slow, gradual release release residential space for residential space for microbes microbes nutrient supplies for soil nutrient supplies for soil life life stable, complex communities stable, complex communities

Fungi on New Char Micropores Fungi on 100 Year Old Char biochar is sought out by mycorrhizal fungi, other microbes and plant root hairs “microbial reef”

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Page 1: Fungi on New Char Micropores Fungi on 100 Year Old Char biochar is sought out by mycorrhizal fungi, other microbes and plant root hairs “microbial reef”

Fungi on New Fungi on New CharChar

MicroporesMicropores

Fungi on 100 Year Old Fungi on 100 Year Old CharChar

biochar is sought out by mycorrhizal fungi,biochar is sought out by mycorrhizal fungi,other microbes and plant root hairsother microbes and plant root hairs

““microbial reefmicrobial reef””Terra PretaTerra Preta is equivalent to coral reef in the sea is equivalent to coral reef in the sea

clickto continue

Terra PretaTerra Preta

Biochar added to soilBiochar added to soilprovides nutrient & water storageprovides nutrient & water storage

for mycorrhizal fungifor mycorrhizal fungi

Hyphae invade biochar poresHyphae invade biochar poresand support spore reproductionand support spore reproduction

Makato OgawaMakato OgawaKansai EnvironmentalKansai Environmental

ResearchResearchSpongeSpongeSubstrateSubstrateChunks of CharChunks of Char

water & nutrient adsorptionwater & nutrient adsorptioninternal storage capacityinternal storage capacity

slow, gradual releaseslow, gradual releaseresidential space for microbesresidential space for microbes

nutrient supplies for soil lifenutrient supplies for soil life

stable, complex communitiesstable, complex communities

Page 2: Fungi on New Char Micropores Fungi on 100 Year Old Char biochar is sought out by mycorrhizal fungi, other microbes and plant root hairs “microbial reef”

Bacteria populations show sharp

increase after biochar additionBeijerinckia, Ogawa 1992

perfect homesfor micro-organisms

G. Margaritagermination on biochar

higher than on soilOgawa 1991

note 3-fold note 3-fold increaseincrease

Charcoal providespreferred habitat

for soil microbes

Nitrogen-fixingbacteria

clickto continue

Terra PretaTerra PretaResearchResearch

clickto continue

of special interest

Page 3: Fungi on New Char Micropores Fungi on 100 Year Old Char biochar is sought out by mycorrhizal fungi, other microbes and plant root hairs “microbial reef”

Biochar in potting soilBiochar in potting soilstimulates mycorrhizal fungistimulates mycorrhizal fungito become establishedto become establishedon on DipterocarpsDipterocarps root root

Effect of BiocharEffect of Biocharon micro-organismson micro-organisms

Makato OgawaMakato OgawaKansai EnvironmentalKansai EnvironmentalJapanJapan click

to continue

Terra PretaTerra PretaResearchResearch