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Long-term effects of organic manure and inorganic fertilization on biological soil quality indicators of soybean-wheat rotation in the Indian mid-Himalaya

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Title Long-term effects of organic manure and inorganic fertilization on biological soil quality indicators of soybean-wheat rotation in the Indian mid-Himalaya
Not Available
 
Creator Mahipal Choudhary
Vijay S. Meena
Suresh C. Panday
Tilak Mondal
Ram P. Yadav
Pankaj K. Mishra
Jaideep K. Bisht
Arunava Pattanayak
 
Subject Microbial quotient Glomalin protein FDA β-Glucosidase Enzymatic activity
 
Description Not Available
A field experiment was accompanied to scrutinize the effect of long-term (21-year) mineral and organic manure
fertilizer treatments on carbon mineralization, glomalin related soil protein and some microbial characteristics
of arable soils in Indian mid-Himalaya. The experiment was initiated in 1995 includes six treatments: Control, N
120, NPK, FYM, N + FYM and NPK + FYM. Long-term chemical fertilization has been reported to negative
effects on soil biological properties, however, the impact of combined use of organic and inorganic fertilization
on soil biological properties and its relationship remains poorly understood. Results showed that integrated use
of organic and inorganic (NPK + FYM) for 21 years significantly increased in carbon mineralization, easily
extractable glomalin related soil protein (EEGRSP) and total glomalin related soil protein (TGRSP). Soil microbial
indices (microbial quotient: qMIC, microbial metabolic quotient: qCO2 and metabolic potential: MP)
were enhanced in the NPK + FYM treatment as compared to rest of the treatments. The activities of seven
enzymes, viz. dehydrogenase (DHA), β-glucosidase (β-GA), invertase (IA), acid phosphatase (Acid-PA), alkaline
phosphatase (Alkaline-PA), arylsulphatase (ASA) and urease activity (UA) were significantly influenced by the
application of NPK +FYM as compared rest of treatments. Soil fertilization with NPK and FYM was significantly
higher fluorescein diacetate assay (FDA) activity as compared to other treatments. Soil microbial properties had
strong positive correlation with qMIC, microbial biomass carbon (MBC) and soil organic carbon (SOC), while
qCO2 had negative correlation under both soil layers. Results showed that the 21-year fertilization experiment
clearly indicated that NPK + FYM embodied the best management practice (BMPs) for soil biological sustainability and for sustainable food production.
Elsevier
 
Date 2020-12-04T04:48:05Z
2020-12-04T04:48:05Z
2020-08-18
 
Type Article
 
Identifier 0
0929-1393
http://krishi.icar.gov.in/jspui/handle/123456789/42928
 
Language English
 
Relation Not Available;
 
Publisher Applied Soil Ecology