Augmentation of plant total nitrogen using Farmyard manure in annual fodder crops

B. Rajesh Kumar

doi:10.56093/ijvasr.v46i4.139070

Authors

B. Rajesh Kumar Assistant Professor, Veterinary University Training and Research Centre, TANUVAS, District Collectorate Campus, Sathuvachari, Vellore – 632 009

https://doi.org/10.56093/ijvasr.v46i4.139070

Keywords:

Plant total nitrogen, Farm yard manure, Fodder Maize, Fodder Cowpea, Inorganic fertilizer

Abstract

A field experiment was conducted to assess the impact of inorganic fertilizer alone (T1) and the combined effect of farmyard manure (organic) with inorganic fertilizer (T2) on plant total nitrogen (PTN) in two annual fodder crops viz., Fodder maize (Zea mays L.) and Fodder Cowpea (Vigna unguiculata) in North Eastern and Western Zones of Tamil Nadu, India during summer season of 2012. In Western zone two districts viz., Coimbatore and Erode districts and in North Eastern Zone Tiruvannamalai and Vellore districts were selected for the field experiments. From each district, two villages were randomly selected for field experiments totaling to eight experimental sites for the study. The PTN during the harvest period (60^thday) varied between 1.31 to 1.45 % for T1 and 1.36 to 1.51% for T2 in Fodder Maize and between 3.04 to 3.19% for T1 and 3.08 to 3.23% for T2 in Fodder Cowpea. Significant (P<0.05 or P<0.01) difference in PTN content was evident between treatments on 60 ^th day of the trial period for both the annual fodder crops. A steady decline of PTN for both the treatments from 30 ^th day to 60 ^th day of the annual fodder crops was evident during the trial period. Integrated application of inorganic fertilizer along with farm yard manure (NPK + FYM) could be a viable option to increase the plant total nitrogen which has a definite impact on the crude protein content of the fodder crop and increased production in livestock farming systems.

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