נגישות
menu      
חיפוש מתקדם
תחביר
חפש...
הספר "אוצר וולקני"
אודות
תנאי שימוש
ניהול
קהילה:
אסיף מאגר המחקר החקלאי
פותח על ידי קלירמאש פתרונות בע"מ -
Effects Of Pesticides And C02 Stress On Ammonium Oxidation In Soil
Year:
1990
Authors :
ברטש, נלי
;
.
זלצמן, שרינה
;
.
Volume :
25
Co-Authors:
Saltzman, S., Institute of Soils and Water, Agricultural Research Organization, The Volcani Center, Bet Dagan 20-500, Israel
Brates, N., Institute of Soils and Water, Agricultural Research Organization, The Volcani Center, Bet Dagan 20-500, Israel
Facilitators :
From page:
689
To page:
711
(
Total pages:
23
)
Abstract:
The effects of four pesticides and CO2 stress conditions on the oxidation rate of ammonium in a sandy soil was studied with incubation experiments. At initial concentrations of 1–10 ppm the pesticides tested did not affect the oxidation rate under optimal incubation conditions, but had a slight inhibitory effect under C02stress conditions. The amplitude of the maximal depression in the activity of the ammonium oxidizers (AMD) was 25-30%, and the time required for the restitution of 90% of the normal microbial activity (TD90) varied between 3 and 12 days. At the high application dose (100 ppm) the AMD due to pesticides only was 37-46%, and the TD90was up to 5 days. Under the combined effect of pesticides and C02stress the AMD was 53-70%, and the time deficit was 13–14 days for metolachlor and EPTC, and 59–64 days for chlorpyrifos and fenamiphos. In the last case, the effects of the chemical and CO stresses on the oxidation rate of ammonium were synergistic. © 1990, Marcel Dekker, Inc.
Note:
Related Files :
article
chlorpyrifos
Environmental stress
fenamiphos
metolachlor
oxidation
pesticide
soil
stress
עוד תגיות
תוכן קשור
More details
DOI :
10.1080/03601239009372713
Article number:
Affiliations:
Database:
סקופוס
Publication Type:
מאמר
;
.
Language:
אנגלית
Editors' remarks:
ID:
31916
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 01:06
You may also be interested in
Scientific Publication
Effects Of Pesticides And C02 Stress On Ammonium Oxidation In Soil
25
Saltzman, S., Institute of Soils and Water, Agricultural Research Organization, The Volcani Center, Bet Dagan 20-500, Israel
Brates, N., Institute of Soils and Water, Agricultural Research Organization, The Volcani Center, Bet Dagan 20-500, Israel
Effects Of Pesticides And C02 Stress On Ammonium Oxidation In Soil
The effects of four pesticides and CO2 stress conditions on the oxidation rate of ammonium in a sandy soil was studied with incubation experiments. At initial concentrations of 1–10 ppm the pesticides tested did not affect the oxidation rate under optimal incubation conditions, but had a slight inhibitory effect under C02stress conditions. The amplitude of the maximal depression in the activity of the ammonium oxidizers (AMD) was 25-30%, and the time required for the restitution of 90% of the normal microbial activity (TD90) varied between 3 and 12 days. At the high application dose (100 ppm) the AMD due to pesticides only was 37-46%, and the TD90was up to 5 days. Under the combined effect of pesticides and C02stress the AMD was 53-70%, and the time deficit was 13–14 days for metolachlor and EPTC, and 59–64 days for chlorpyrifos and fenamiphos. In the last case, the effects of the chemical and CO stresses on the oxidation rate of ammonium were synergistic. © 1990, Marcel Dekker, Inc.
Scientific Publication
You may also be interested in