Survival of a phosphate solubilizing microorganism in ion-sterile carriers
Küçük Resim Yok
Tarih
2010
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
A cold-tolerant phosphate solubilizing bacterium (PSB) was isolated from roots of ryegrass (Lolium perenne L.). Studies involving phosphate solubilization in liquid culture and survival of the PSB in nonsterile zeolite, leonardite, peat, rock phosphate, and an organic fertilizer were performed. The PSB was able to dissolve 163 ppm P with a simultaneous fall in pH (from 7.7 to 5.7) in Pikovskaya's medium during a ten-day incubation. The number of PSB declined logarithmically in 28 °C incubation regardless of the carrier. The rate of decrease in PSB population was less pronounced in zeolite. However, the PSB's population density increased up to 10 9 cfu g -1, and stayed in the range of 10 8 to 10 9 cfu g -1 in zeolite and rock phosphate after 13-weeks of storage at +4 °C. The contaminant microorganisms also grew in the carriers, with population densities ranging between 10 8 to 10 9 cfu g -1 at week-9. The suppression of the local microorganisms is required to increase the quality of organic fertilizer by the addition of PSB. Zeolite could be a good carrier, due to its large surface area and porosity, which allow high number of microorganisms to occupy. © 2010 al-Farabi Kazakh National University.
Açıklama
Anahtar Kelimeler
Kaynak
Eurasian Chemico-Technological Journal
WoS Q Değeri
Scopus Q Değeri
Q4
Cilt
12
Sayı
03.04.2020
