Results 231 to 240 of about 521,788 (293)

Pyrimidine Decomposition in Cultivated and Non-cultivated Soils

Zentralblatt für Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene. Zweite Naturwissenschaftliche Abteilung: Allgemeine, Landwirtschaftliche und Technische Mikrobiologie, 1974
Summary Oxidation of cytosine and uracil was studied and the number of bacteria capable of utilizing these substrates as a single source of electrons and nitrogen was estimated. Four cultivated and two virgin soils were compared. The Warburg technique was used for measurement of oxygen consumption and the decrease of substrate concentration was ...
A, Rözlcrová, V, Drobníková
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Cultivation of unculturable soil bacteria

Trends in Biotechnology, 2012
Despite the abundance of bacterial species in soil, more than 99% of these species cannot be cultured by traditional techniques. In addition, the less than 1% of bacteria that can be cultured are not representative of the total phylogenetic diversity.
Van H T, Pham, Jaisoo, Kim
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The Soil Under Shifting Cultivation

Soil Science Society of America Journal, 1961
The soil under shifting cultivation , The soil under shifting cultivation , مرکز فناوری اطلاعات و اطلاع رسانی ...
P. H. NYE, D. J. GREENLAND
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Compaction on cultivated soils

Eos, Transactions American Geophysical Union, 1944
Many soils which, in their native state were mellow, of low apparent density, and highly permeable to water, have become compact and highly impermeable under cultivation. Other soils, although cultivated as often, still remain fairly permeable. Soils men have long advocated the necessity of reducing the amount of cultivation, and the desirability of ...
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