Impact of biodynamic preparations and panchgavya in organically managed cropping systems comprising legumes on soil biological health

DOI: 10.5958/0976-0571.2015.00081.8    | Article Id: LR-3039 | Page : 219-228
Citation :- Impact of biodynamic preparations and panchgavya in organically managed cropping systems comprising legumes on soil biological health.Legume Research-An International Journal.2015.(38):219-228
Monika Rana, K.P. Raverkar*, N. Pareek, R. Chandra and D.K. Singh kraverkar@gmail.com
Address : College of Agriculture, G.B. Pant University of Agriculture & Technology, Pantnagar-263 145, India.

Abstract

Biological health of soil was assessed to understand the effect of varingly managed organic cropping systems under field conditions. Twelve treatment combinations comprised two cropping systems (CS1-Basmati rice-Chickpea-Sesbania green manure ;CS2-Basmati rice-Vegetable pea-Maize (green cob & Fodder) + Green gram (residues incorporation) and six organic nutrient manangement practices- T1: Farmyard manure + Vermicompost + Enriched Compost + Neem Cake, T2: Biodynamic Preparations, T3: Farmyard manure + Vermicompost + Enriched Compost + Neem Cake + Panchgavya, T4: Farmyard manure + Vermicompost + Enriched Compost + Neem Cake + Biodynamic Preparations, T5: Farmyard manure + Vermicompost + Enriched Compost + Neem Cake + Biodynamic Preparations + Panchgavya, T6: Control. The highest activity of different soil enzymes viz., dehydrogenase, acid, alkaline and total phosphatase; and aryl sulfatase was assessed to the tune of 1311.02 µg Tri Phenyl Formazan 24h-1g-1 soil at flowering in ‘spring’, 26.99 µg p-nitrophenol h-1g-1 soil, 35.19 µg p-nitrophenol h-1g-1 soil, 62.18 µg p-nitrophenol h-1g-1 soil and 77.75 µg p-nitrophenol h-1 g-1 soil at harvest of ‘rabi’ crop, respectively receiving the organic nutrient package through T5. Significantly enhanced microbial population and their biomass facilitating the enhanced mineralization of nitrogen to the tune of 150.10 µg NH4+-N g-1 soil with nutrient management practices employed through T5 was observed.

Keywords

Biodynamic Cropping systems Microbial biomass carbon Mineralizable nitrogen Organic nutrient management Panchgavya Soil biological health Soil enzymes.

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