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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Spelling suggestions: "subject:"sacharozės"" "subject:"sacharalis""

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Ilgalaikio tręšimo poveikis skirtingos kilmės dirvožemių biologiniam aktyvumui / The long-term fertilization effect on biological activity of different genesis soils

Grigaliūnienė, Kristina 17 January 2006 (has links)
The effect of organic and mineral fertilizers on biological activity of different genesis soils in long-term crop rotation trials was determined. Biological activity was diverse in the soils of different genesis and it activity correlated with some soil chemical properties. Organic and mineral fertilizers and their combinations more increased biological activity in the soil than only mineral fertilizers. Mineral fertilizers suppressed dehydrogenase and alkaline phosphatase activity (180 kg ha-1) with phosphorus and potassium fertilizers. The relationship between the crops grown, their yield and enzyme activity and respiration intensity in the soil was investigated.
Agronomy
Activity of sacharase
šarminės fosfatazės
Crop rotation
Arylsulfatase and dehydrogenases
Organic and mineral fertilizers
Organinės ir mineralinės trąšos
Urease
Ureaz��s
Dirvožemio biologinis aktyvumas
Sėjomaina; Soil biological activity
Sacharazės
Alkaline phosphatase

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