Biofilm biofertilizer increase mustard growth and nutrient status of dry land Lithosols

Abstract

Almost all sectors including agriculture have the risk of being affected by global climate change. It need strategies and prepare adaptation action programs with the support of innovative and adaptive technologies to anticipate. This research aimed to find out an appropriate dosage of organic fertilizer decomposted by biofilmed biofertilizer (OF-Bio2) that optimally increases mustard growth as well as N, P and K status at Lithosols. The experiment was done in a single factor randomized completely block design (RCBD) with eight dose levels, i.e. 0, 3, 6, 9, 12, 15, 18, and 21 ton ha-1 of OF-Bio2 on 2 x 3 m2 plot and 15 x 20 cm planting spaces. OF-Bio2 was incorporated thoroughly within 20 cm depth of the soil and one mustard plantlet was planted in each planting hole. Plant height, fresh and dry weights were observed and soil organic carbon (SOC), total-N, av-P and exch-K content were analysed at harvest time. Data were analysed by F-test followed by Duncan multiple range test (DMRT) at 95% of confidence level. The result showed the use of OF-Bio2 increased mustard growth linearly as well as N, P and K status concomitantly with the increase of OF-Bio2 doses. An optimal dose of OF-Bio2 for mustard yield was not achieved yet, because of low organic matter content of the soil. The use of biofilm biofertilizer to decompose organic fertilizer will support sustainable soil nutrient management with more effective soil microbes enable to increase nutrient available.