Temat: soil microbial biomass - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Microbial activity and particulate organic matter content in soils with different tillage system use
Autorzy:: Gajda, A.M.
Powiązania:: https://bibliotekanauki.pl/articles/26158.pdf
Data publikacji:: 2010
Wydawca:: Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:: soil
tillage system
microbial biomass
dehydrogenase activity
particulate organic matter
microbiological activity
conventional tillage
conservation tillage system
Źródło:: International Agrophysics; 2010, 24, 2; 129-137
0236-8722
Pojawia się w:: International Agrophysics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Soil biological activity as affected by tillage intensity
Autorzy:: Gajda, A.M.
Przewloka, B.
Powiązania:: https://bibliotekanauki.pl/articles/25855.pdf
Data publikacji:: 2012
Wydawca:: Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:: soil
biological activity
tillage intensity
soil tillage system
microbial biomass
organic carbon
dehydrogenase activity
organic matter
physical condition
chemical condition
nitrogen mineralization
Opis:: The effect of tillage intensity on changes of microbiological activity and content of particulate organic matter in soil under winter wheat duirng 3 years was studied. Microbial response related to the tillage-induced changes in soil determined on the content of biomass C and N, the rate of CO2 evolution, B/F ratio, the activity of dehydrogenases, acid and alkaline phosphatases, soil C/N ratio and microbial biomass C/N ratio confirmed the high sensitivity of soil microbial populations to the tillage system applied. After three year studies, the direct sowing system enhanced the increase of labile fraction of organic matter content in soil. There were no significant changes in the labile fraction quantity observed in soil under conventional tillage. Similar response related to the tillage intensity was observed in particulate organic matter quantities expressed as a percentage of total organic matter in soil. A high correlation coefficients calculated between contents of soil microbial biomass C and N, particulate organic matter and potentiallymineralizable N, and the obtained yields of winter wheat grown on experimental fields indicated on a high importance of biological quality of status of soil for agricultural crop production.
Źródło:: International Agrophysics; 2012, 26, 1
0236-8722
Pojawia się w:: International Agrophysics
Dostawca treści:: Biblioteka Nauki

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Tytuł:: Links between root carbohydrates and seasonal pattern of soil microbial activity of diverse European populations of Pinus sylvestris grown in a provenance plantation
Autorzy:: Kieliszewska-Rokicka, B
Oleksyn, J.
Zytkowiak, R.
Reich, P.B.
Powiązania:: https://bibliotekanauki.pl/articles/56717.pdf
Data publikacji:: 2003
Wydawca:: Polskie Towarzystwo Botaniczne
Tematy:: Scotch pine
soil dehydrogenase
Polska
microbial activity
forest stand
European population
carbohydrate
soluble carbohydrate
population
soil microorganism
root
mineral soil
starch
seasonal pattern
soil
Pinus sylvestris
plantation
dehydrogenase activity
aboveground biomass
Opis:: Activity of soil dehydrogenase (DHA) was measured in the mineral soil in a forest stand of 15 to 16-year-old Scots pine (Pinus sylvestris L.) from geographically diverse populations, as an indicator of biological activity of soil microorganisms, in a provenance experiment in Poland. The pine populations originated from six European countries (Sweden, Russia, Latvia, Poland, Germany, France) and differed widely in aboveground biomass and productivity. Soil DHA during two growing seasons showed pronounced seasonal variability, which was significantly related to the fine root concentration of nonstructural carbohydrates. Higher DHA was found in soil under canopies of the central and southern European populations than in those from more northern parts of the Scots pine range. Significant positive correlation between soil DHA and aboveground tree biomass suggest that these patterns most likely resulted from differences in carbon dynamics and productivity among populations.
Źródło:: Acta Societatis Botanicorum Poloniae; 2003, 72, 2
0001-6977
2083-9480
Pojawia się w:: Acta Societatis Botanicorum Poloniae
Dostawca treści:: Biblioteka Nauki

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