1 research outputs found
Π€Π΅ΡΠΌΠ΅Π½ΡΠ°ΡΠΈΠ²Π½Π°Ρ Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΠΊΠ° Π΄Π»Ρ ΠΎΡΠ΅Π½ΠΊΠΈ Π²Π»ΠΈΡΠ½ΠΈΡ Π°Π·ΠΎΡΠ½ΡΡ ΡΠ΄ΠΎΠ±ΡΠ΅Π½ΠΈΠΉ Π½Π° ΠΏΡΠΎΡΠ΅ΡΡΡ ΠΌΠΈΠ½Π΅ΡΠ°Π»ΠΈΠ·Π°ΡΠΈΠΈ ΠΈ Π³ΡΠΌΠΈΡΠΈΠΊΠ°ΡΠΈΠΈ Π² Π΄Π΅ΡΠ½ΠΎΠ²ΠΎ-ΠΏΠΎΠ΄Π·ΠΎΠ»ΠΈΡΡΡΡ ΠΏΠΎΡΠ²Π°Ρ
Ecological management of soil resources is an urgent task involving periodic assessment of effect of fertilizers and other anthropogenic factors on the rate and direction of organic matter transformation. Mineralization and humification of organic residues are the most important functions of the soil, which determine its fertility and are closely related to the biochemical activity of microbial communities. When using intensive agricultural technologies, it is required to timely identify potential risks of reducing soil fertility. Taking into account the biochemical nature of the processes of mineralization and humification of organic substances, it is advisable to use indicators of enzymatic activity for this purpose. Enzymes are the most important metabolites of microorganisms. When choosing enzymatic indicators for a reliable assessment of influence of natural and anthropogenic factors on the activity of mineralization and humification, we took into account large-scale and universal processes in the cycles of the main biogenic elements β carbon and nitrogen. Soil enzyme diagnostics was shown to be likely useful instrument for evaluation of natural and anthropogenic factors effect on mineralization and humification processes in sod-podzolic soils. The most informative enzymatic tests for characterization of soil biochemical status in C and N cycles were determined. Biochemical coefficient was proposed as a resulting criteria for interpretation of enzymes activity data, allowing to compare humification and mineralization activities, reveal their disbalance and control of anthropogenic impact on soils. Experimental data on the effect of nitrogen fertilizers on the activity and ratio of humification and mineralization, obtained in long-term field experiments on soddy-podzolic soils of different granulometric composition and level of fertility are presented.ΠΠΊΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΠΉ ΠΌΠ΅Π½Π΅Π΄ΠΆΠΌΠ΅Π½Ρ ΠΏΠΎΡΠ²Π΅Π½Π½ΡΡ
ΡΠ΅ΡΡΡΡΠΎΠ² β Π°ΠΊΡΡΠ°Π»ΡΠ½Π°Ρ Π·Π°Π΄Π°ΡΠ°, ΠΏΡΠ΅Π΄ΠΏΠΎΠ»Π°Π³Π°ΡΡΠ°Ρ ΠΏΠ΅ΡΠΈΠΎΠ΄ΠΈΡΠ΅ΡΠΊΡΡ ΠΎΡΠ΅Π½ΠΊΡ Π²Π»ΠΈΡΠ½ΠΈΡ ΡΠ΄ΠΎΠ±ΡΠ΅Π½ΠΈΠΉ ΠΈ Π΄ΡΡΠ³ΠΈΡ
Π°Π½ΡΡΠΎΠΏΠΎΠ³Π΅Π½Π½ΡΡ
ΡΠ°ΠΊΡΠΎΡΠΎΠ² Π½Π° ΡΠΊΠΎΡΠΎΡΡΡ ΠΈ Π½Π°ΠΏΡΠ°Π²Π»Π΅Π½Π½ΠΎΡΡΡ ΡΡΠ°Π½ΡΡΠΎΡΠΌΠ°ΡΠΈΠΈ ΠΎΡΠ³Π°Π½ΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ Π²Π΅ΡΠ΅ΡΡΠ²Π°. ΠΠΈΠ½Π΅ΡΠ°Π»ΠΈΠ·Π°ΡΠΈΡ ΠΈ Π³ΡΠΌΠΈΡΠΈΠΊΠ°ΡΠΈΡ ΠΎΡΠ³Π°Π½ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΎΡΡΠ°ΡΠΊΠΎΠ² β Π²Π°ΠΆΠ½Π΅ΠΉΡΠΈΠ΅ ΡΡΠ½ΠΊΡΠΈΠΈ ΠΏΠΎΡΠ²Ρ, ΠΎΠΏΡΠ΅Π΄Π΅Π»ΡΡΡΠΈΠ΅ Π΅Π΅ ΠΏΠ»ΠΎΠ΄ΠΎΡΠΎΠ΄ΠΈΠ΅ ΠΈ ΡΠ΅ΡΠ½ΠΎ ΡΠ²ΡΠ·Π°Π½Π½ΡΠ΅ Ρ Π±ΠΈΠΎΡ
ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΎΠΉ Π΄Π΅ΡΡΠ΅Π»ΡΠ½ΠΎΡΡΡΡ ΠΌΠΈΠΊΡΠΎΠ±Π½ΡΡ
ΡΠΎΠΎΠ±ΡΠ΅ΡΡΠ². Π ΡΡΠ»ΠΎΠ²ΠΈΡΡ
ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΡ ΠΈΠ½ΡΠ΅Π½ΡΠΈΠ²Π½ΡΡ
Π°Π³ΡΠ°ΡΠ½ΡΡ
ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΠΉ Π½Π΅ΠΎΠ±Ρ
ΠΎΠ΄ΠΈΠΌΠΎ ΡΠ²ΠΎΠ΅Π²ΡΠ΅ΠΌΠ΅Π½Π½ΠΎ Π²ΡΡΠ²Π»ΡΡΡ ΠΏΠΎΡΠ΅Π½ΡΠΈΠ°Π»ΡΠ½ΡΠ΅ ΡΠΈΡΠΊΠΈ ΡΠ½ΠΈΠΆΠ΅Π½ΠΈΡ ΠΏΠ»ΠΎΠ΄ΠΎΡΠΎΠ΄ΠΈΡ ΠΏΠΎΡΠ². Π£ΡΠΈΡΡΠ²Π°Ρ Π±ΠΈΠΎΡ
ΠΈΠΌΠΈΡΠ΅ΡΠΊΡΡ ΠΏΡΠΈΡΠΎΠ΄Ρ ΠΏΡΠΎΡΠ΅ΡΡΠΎΠ² ΠΌΠΈΠ½Π΅ΡΠ°Π»ΠΈΠ·Π°ΡΠΈΠΈ ΠΈ Π³ΡΠΌΠΈΡΠΈΠΊΠ°ΡΠΈΠΈ ΠΎΡΠ³Π°Π½ΠΈΡΠ΅ΡΠΊΠΈΡ
Π²Π΅ΡΠ΅ΡΡΠ², Π΄Π»Ρ ΡΡΠΎΠΉ ΡΠ΅Π»ΠΈ ΡΠ΅Π»Π΅ΡΠΎΠΎΠ±ΡΠ°Π·Π½ΠΎ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°ΡΡ ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»ΠΈ ΡΠ΅ΡΠΌΠ΅Π½ΡΠ°ΡΠΈΠ²Π½ΠΎΠΉ Π°ΠΊΡΠΈΠ²Π½ΠΎΡΡΠΈ. Π€Π΅ΡΠΌΠ΅Π½ΡΡ β Π²Π°ΠΆΠ½Π΅ΠΉΡΠΈΠ΅ ΠΌΠ΅ΡΠ°Π±ΠΎΠ»ΠΈΡΡ ΠΌΠΈΠΊΡΠΎΠΎΡΠ³Π°Π½ΠΈΠ·ΠΌΠΎΠ². ΠΡΠΈ Π²ΡΠ±ΠΎΡΠ΅ ΡΠ΅ΡΠΌΠ΅Π½ΡΠ°ΡΠΈΠ²Π½ΡΡ
ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»Π΅ΠΉ Π΄Π»Ρ Π½Π°Π΄Π΅ΠΆΠ½ΠΎΠΉ ΠΎΡΠ΅Π½ΠΊΠΈ Π²Π»ΠΈΡΠ½ΠΈΡ Π΅ΡΡΠ΅ΡΡΠ²Π΅Π½Π½ΡΡ
ΠΈ Π°Π½ΡΡΠΎΠΏΠΎΠ³Π΅Π½Π½ΡΡ
ΡΠ°ΠΊΡΠΎΡΠΎΠ² Π½Π° Π°ΠΊΡΠΈΠ²Π½ΠΎΡΡΡ ΠΌΠΈΠ½Π΅ΡΠ°Π»ΠΈΠ·Π°ΡΠΈΠΈ ΠΈ Π³ΡΠΌΠΈΡΠΈΠΊΠ°ΡΠΈΠΈ ΠΏΡΠΈΠ½ΠΈΠΌΠ°Π»ΠΈ Π²ΠΎ Π²Π½ΠΈΠΌΠ°Π½ΠΈΠ΅ ΠΌΠ°ΡΡΡΠ°Π±Π½ΡΠ΅ ΠΈ ΡΠ½ΠΈΠ²Π΅ΡΡΠ°Π»ΡΠ½ΡΠ΅ ΠΏΡΠΎΡΠ΅ΡΡΡ Π² ΡΠΈΠΊΠ»Π°Ρ
ΠΎΡΠ½ΠΎΠ²Π½ΡΡ
Π±ΠΈΠΎΠ³Π΅Π½Π½ΡΡ
ΡΠ»Π΅ΠΌΠ΅Π½ΡΠΎΠ² β ΡΠ³Π»Π΅ΡΠΎΠ΄Π° ΠΈ Π°Π·ΠΎΡΠ°. ΠΠΎΠΊΠ°Π·Π°Π½Ρ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΠΈ ΡΠ΅ΡΠΌΠ΅Π½ΡΠ°ΡΠΈΠ²Π½ΠΎΠΉ Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΠΊΠΈ Π΄Π»Ρ ΠΎΡΠ΅Π½ΠΊΠΈ Π²Π»ΠΈΡΠ½ΠΈΡ Π°Π·ΠΎΡΠ½ΡΡ
ΡΠ΄ΠΎΠ±ΡΠ΅Π½ΠΈΠΉ Π½Π° Π°ΠΊΡΠΈΠ²Π½ΠΎΡΡΡ ΠΈ ΡΠΎΠΎΡΠ½ΠΎΡΠ΅Π½ΠΈΠ΅ ΠΏΡΠΎΡΠ΅ΡΡΠΎΠ² ΠΌΠΈΠ½Π΅ΡΠ°Π»ΠΈΠ·Π°ΡΠΈΠΈ ΠΈ Π³ΡΠΌΠΈΡΠΈΠΊΠ°ΡΠΈΠΈ Π² Π΄Π΅ΡΠ½ΠΎΠ²ΠΎ-ΠΏΠΎΠ΄Π·ΠΎΠ»ΠΈΡΡΡΡ
ΠΏΠΎΡΠ²Π°Ρ
. ΠΠΏΡΠ΅Π΄Π΅Π»Π΅Π½Ρ Π½Π°ΠΈΠ±ΠΎΠ»Π΅Π΅ ΠΈΠ½ΡΠΎΡΠΌΠ°ΡΠΈΠ²Π½ΡΠ΅ ΡΠ΅ΡΠΌΠ΅Π½ΡΠ°ΡΠΈΠ²Π½ΡΠ΅ ΡΠ΅ΡΡΡ Π΄Π»Ρ ΠΎΡΠ΅Π½ΠΊΠΈ Π²Π»ΠΈΡΠ½ΠΈΡ Π΅ΡΡΠ΅ΡΡΠ²Π΅Π½Π½ΡΡ
ΠΈ Π°Π½ΡΡΠΎΠΏΠΎΠ³Π΅Π½Π½ΡΡ
ΡΠ°ΠΊΡΠΎΡΠΎΠ² Π½Π° Π°ΠΊΡΠΈΠ²Π½ΠΎΡΡΡ ΠΌΠΈΠ½Π΅ΡΠ°Π»ΠΈΠ·Π°ΡΠΈΠΈ ΠΈ Π³ΡΠΌΠΈΡΠΈΠΊΠ°ΡΠΈΠΈ Π² ΡΠΈΠΊΠ»Π°Ρ
ΡΠ³Π»Π΅ΡΠΎΠ΄Π° ΠΈ Π°Π·ΠΎΡΠ° ΠΏΠΎΡΠ²Ρ. ΠΠ»Ρ ΠΈΠ½ΡΠ΅ΡΠΏΡΠ΅ΡΠ°ΡΠΈΠΈ Π΄Π°Π½Π½ΡΡ
ΡΠ΅ΡΠΌΠ΅Π½ΡΠ°ΡΠΈΠ²Π½ΠΎΠΉ Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΠΊΠΈ ΠΏΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½ ΡΠ΅Π·ΡΠ»ΡΡΠΈΡΡΡΡΠΈΠΉ ΠΎΡΠ΅Π½ΠΎΡΠ½ΡΠΉ ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»Ρ β Π±ΠΈΠΎΡ
ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΈΠΉ ΠΊΠΎΡΡΡΠΈΡΠΈΠ΅Π½Ρ, ΠΏΠΎΠ·Π²ΠΎΠ»ΡΡΡΠΈΠΉ ΡΡΠ°Π²Π½ΠΈΠ²Π°ΡΡ ΡΠΊΠΎΡΠΎΡΡΠΈ Π³ΡΠΌΠΈΡΠΈΠΊΠ°ΡΠΈΠΈ ΠΈ ΠΌΠΈΠ½Π΅ΡΠ°Π»ΠΈΠ·Π°ΡΠΈΠΈ, Π²ΡΡΠ²Π»ΡΡΡ ΠΈΡ
Π΄ΠΈΡΠ±Π°Π»Π°Π½Ρ ΠΈ Π½ΠΎΡΠΌΠΈΡΠΎΠ²Π°ΡΡ Π°Π½ΡΡΠΎΠΏΠΎΠ³Π΅Π½Π½ΡΡ Π½Π°Π³ΡΡΠ·ΠΊΡ. ΠΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½Ρ ΡΠΊΡΠΏΠ΅ΡΠΈΠΌΠ΅Π½ΡΠ°Π»ΡΠ½ΡΠ΅ Π΄Π°Π½Π½ΡΠ΅ ΠΏΠΎ Π²Π»ΠΈΡΠ½ΠΈΡ Π°Π·ΠΎΡΠ½ΡΡ
ΡΠ΄ΠΎΠ±ΡΠ΅Π½ΠΈΠΉ Π½Π° Π°ΠΊΡΠΈΠ²Π½ΠΎΡΡΡ ΠΈ ΡΠΎΠΎΡΠ½ΠΎΡΠ΅Π½ΠΈΠ΅ Π³ΡΠΌΠΈΡΠΈΠΊΠ°ΡΠΈΠΈ ΠΈ ΠΌΠΈΠ½Π΅ΡΠ°Π»ΠΈΠ·Π°ΡΠΈΠΈ, ΠΏΠΎΠ»ΡΡΠ΅Π½Π½ΡΠ΅ Π² Π΄Π»ΠΈΡΠ΅Π»ΡΠ½ΡΡ
ΠΏΠΎΠ»Π΅Π²ΡΡ
ΡΠΊΡΠΏΠ΅ΡΠΈΠΌΠ΅Π½ΡΠ°Ρ
Π½Π° Π΄Π΅ΡΠ½ΠΎΠ²ΠΎ-ΠΏΠΎΠ΄Π·ΠΎΠ»ΠΈΡΡΡΡ
ΠΏΠΎΡΠ²Π°Ρ
ΡΠ°Π·Π½ΠΎΠ³ΠΎ Π³ΡΠ°Π½ΡΠ»ΠΎΠΌΠ΅ΡΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΡΠΎΡΡΠ°Π²Π° ΠΈ ΡΡΠΎΠ²Π½Ρ ΠΎΠΊΡΠ»ΡΡΡΡΠ΅Π½Π½ΠΎΡΡΠΈ