International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2018: 95.39
For more details click here

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Index Copernicus ICV 2018: 95.39
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Int.J.Curr.Microbiol.App.Sci.2020.9(1): 1943-1951

Effect of Nutrient Management and Crop Establishment Methods of Rice on Biological Properties of Soil
Rajesh Kumar Pal1*, Pankaj Singh1, A. K. Pant2, Sanjay Tiwari1, Shivam Maurya3 and Sanjay Kumar Singh1
1Department of Soil Science
3Department of Plant Pathology, Dr. Rajendra Prasad Central Agricultural University, Pusa, Bihar, India
2Department of Soil Science, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, Uttarakhand, India
*Corresponding author

A field experiment was conducted at Research Farm, Dr. RPCAU Pusa, Bihar during kharif 2018 on calcareous sandy loam soil, having pH 8.57, medium in soil organic carbon content (0.65 %), EC 0.35 dSm-1, available nitrogen (195 kg/ha), available phosphorus (26.63 kg/ha) and available potassium (134 kg/ha). Experiment was laid-out in split-plot designand replicated thrice. Main-plot included three crop establishment methods, viz. dry direct-seeded rice (DSR-dry), wet direct-seeded rice (DSR-wet) and puddled transplanted rice (TR). In sub-plots, five nutrient management methods T1- 100% STCR Based Dose of Fertilizer + ZnSO4 @ 25 kg ha-1 (DF), T2-75% DF + 25% STCR based Recommended Dose of Nitrogen (RDN) through Vermicompost, T3-100% STCR based RDN through Vermicompost, T4- 100% DF + 50% STCR based RDN through Vermicompost and T5-50% DF + 25% STCR based RDN throughVermicompost. The post-harvest soil was analysed to evaluate the effect of different nutrient management methods on soil microbial biomass Carbon (SMBC), soil microbial biomass Nitrogen(SMBN), Microbial population and Dehydrogenase Enzyme (DH) activity under the three different establishment methods. The results indicated that fungal and bacterial population was higher in transplanted rice while actinomycetes population was higher in DSR-dry.The microbial population count was highest under T3-100% RDNfollowed by T4-100% DF + 50% RDN.The DH, MBC and MBN recorded higher values of 28.74 μg TPF g-1 hr-1, 292.6 mg kg-1 and 32.20 mg kg-1 respectively under transplanted rice whereas, DSR-dry recorded lower value.The DH, SMBC and SMBN were significantly influenced by the application of T3-100% RDNwhich recorded 33.64 μg TPF g-1 hr-1, 317.1 mg kg-1& 33.27 mg kg-1respectively while significantly lower value was recorded with T1-100% DF20.12 μg TPF g1 hr-1, 249.1 mg kg-1and 27.36 mg kg-1 respectively. Therefore it may be concluded that addition of organics (vermicompost) led to improvement of microbial as well as enzymatic activity which was more pronounced in DSR-wet and Transplanted rice.

Keywords: Nutrient Management, DSR, Transplanting, MBC, Vermicompost
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How to cite this article:

Rajesh Kumar Pal, Pankaj Singh, A. K. Pant, Sanjay Tiwari, Shivam Maurya and Sanjay Kumar Singh. 2020. Effect of Nutrient Management and Crop Establishment Methods of Rice on Biological Properties of Soil.Int.J.Curr.Microbiol.App.Sci. 9(1): 1943-1951. doi: