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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(6): 487-496
DOI: https://doi.org/10.20546/ijcmas.2017.606.057


Improvement in Soil Physical, Chemical and Microbiological Properties during Cropping Cycles under Different Nutrient Managements in Western Himalayas
D.K. Parmar* and D.R. Thakur
CSK Himachal Pradesh Krishi Vishvavidyalaya, Hill Agricultural Research and Extension Centre, Bajaura, India
*Corresponding author
Abstract:

It is still unclear that whether organic manure amendment could increase soil organic carbon (SOC) sequestration in an Indian Typic Udorthents. Further, changes accompanied by different organic carbon (C) fractions are not well understood based on long term experiment. The knowledge of this kind is important for assessing the potential for C sequestration and selecting effective management practices for increasing soil C sequestration and productivity in agro-ecosystem of western Himalayan region. Thus, we conducted the research based on 9 years (2004 to 2013) of long-term fertilization experiment with three management practices (organic, inorganic and integrated) and four cropping systems [tomato (Solanum lycopersicum L.) –cauliflower (Brassica oleracea var. brotytis) - green pea (Pisum sativum L var. arvense); french bean (Phaselous vulgaris L.) – french bean - cauliflower; cauliflower – cauliflower- green pea; Maize (Zea mays L.) + French bean - garlic (Allium sativum L.)]. The results indicate that the soil bulk density in surface depth decreased (1.40 g cm-3) but increased (1.42 g cm-3) in sub surface. The soil top layer had highest organic carbon (1.07 %); growth of soil bacteria (8.6 106 cfu g-1), fungi (4.5 106 cfu g-1) and phosphatase enzyme (9.3 µ p-nitrophenol g-1); soil organic carbon stock (22.5 t.ha-1 yr-1); carbon sequestration (17.0 t.ha-1 yr-1); carbon sequestration rate (2.5 t.ha-1 yr-1); C fract1 (0.48 t.ha-1 yr-1); C farct2 (0.25 t.ha-1 yr-1); C fract3 (0.14 t.ha-1 yr-1); C fract4 (0.21 t.ha-1 yr-1) with organic inputs. The cropping systems had less effect on soil bulk density but other soil variables were significantly influenced in top soil layer, but not in sub layer. The cauliflower – cauliflower – green pea system recorded maximum improvement for organic carbon (0.88 %); total soil organic carbon stock (18.9 t ha-1 yr-1); carbon sequestration (11.7 t ha-1 yr-1) and carbon sequestration rate (2.9 t.ha-1 yr-1) C fract1 (0.35 t.ha-1 yr-1), C farct2 (0.22 t.ha-1 yr-1); C fract3 (0.12 t.ha-1 yr-1); C fract4 (0.17 t.ha-1 yr-1); bacteria (8.7 106 cfu g-1); fungi (3.2 106 cfu g-1) and phosphatase enzyme (7.6 µ p-nitrophenol g-1). The results indicate that the Typic Udorthents have a large potential to sequester SOC and applying cattle manure or vermicompost is a recommendable SOC sequestration practice in western Himalayan regions.


Keywords: Carbon sequestration, Nutrient managements, Cropping cycles, Western Himalayas
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How to cite this article:

Parmar, D.K., and Thakur, D.R. 2017. Improvement in Soil Physical, Chemical and Microbiological Properties during Cropping Cycles under Different Nutrient Managements in Western Himalayas.Int.J.Curr.Microbiol.App.Sci. 6(6): 487-496. doi: https://doi.org/10.20546/ijcmas.2017.606.057