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Effect of mixing soil saprophytic fungi with organic residues on the response of Solanum lycopersicum to arbuscular mycorrhizal fungi

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The effect of the dual inoculation with arbuscular mycorrhizal (AM) and saprophytic fungi and a
combination of wheat straw and sewage sludge residues were studied by determining their effect on
dry weight of tomato and on chemical and biochemical properties of soil. Incubation of organic
residue (sewage sludge combined with wheat straw) with saprophytic fungi and plant inoculation with
mycorrhizal fungi was essential to study plant growth promotion. Soil application of organic residues
increased the dry weight of tomato inoculated with Rhizophagus irregularis. The greatest shoot dry
mass was obtained when the organic residues were incubated with Trichoderma harzianum and applied
to AM plants. However, the greatest percentage of root length colonized with AM in the presence of
the organic residues was obtained with inoculation with Coriolopsis rigida. The relative chlorophyll
was greatest in mycorrhizal plants regardless of the presence of either saprophytic fungus. The
presence of the saprophytic fungi increased soil pH as the incubation time increased. Soil nitrogen
and phosphorus contents and acid phosphatase were stimulated by the addition of organic residues,
and contents of N and P. Total N and P content in soil increased when the organic residue was
incubated with saprobe fungi, but this effect decreased as the incubation period of the residue with
saprobe fungi increased. The same trend was observed for soil b-glucosidase and fluorescein diacetate
activities. The application of organic residues in the presence of AM and saprophytic fungi seems to
be an interesting option as a biofertilizer to improve plant growth and biochemical parameters of
soils.

Keywords: Coriolopsis rigida, mycorrhizal fungi, sewage sludge, Trichoderma harzianum, wheat straw

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Informasi Detail

Judul Seri

Soil Use and Management

No. Panggil

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Penerbit

London : British Society of Soil Science., 2015

Deskripsi Fisik

Soil Use and Management, March 2015, 31, 155–164

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

March 2015, 31, 155–164

Subjek

PERTANIAN.

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

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