Effect of different fertilizer doses on the production of Chaite-5 paddy variety in Dhanusha District, Nepal

The application of inorganic nutrient sources is necessary for proper agricultural growth that can ensure high quality food production. A field experiment was carried out in Hansapur, Dhanusha from March 2021 to July 2021 to study the effect of different fertilizer doses on the growth and yield of rice. The experiment was set up in a randomized complete block design (RCBD) with 7 different treatments following three replications. The treatments were named as T1: Control, T2: RDF (Recommended dose of fertilizers - 100:30:30 kg NPK/ha), T3: Double dose of RDF (200: 60: 60 kg NPK/ha), T4: A half dose of RDF (50: 15: 15 kg NPK/ha), T5: 125% dose of RDF (125: 37.5: 37.5 kg NPK/ha), T6: Locally available Azolla (300 kg/ha), and T7: FYM (6 ton/ha), respectively. Different doses of RDF showed a significant effect on growth, yield, and yield contributing characters of Chaite-5 variety. Results of the study showed that the application of a double dose of RDF (200: 60: 60 kg NPK/ha) gave the maximum yield (9.50 ton/ha). It was also recorded that 125% dose of RDF, recommended dose of fertilizers and FYM gave satisfactory results. Results revealed that the highest plant height, effective tillers/hill, panicle number, panicle length, total spikelet/hill, 1000-grain weight, grain yield, and straw yield were obtained from the use of a double dose of RDF (200: 60: 60 kg NPK/ha). It was observed that yield of rice can be increased substantially with the application of higher doses of nitrogenous fertilizers. Hence, a double dose of fertilizer can be the best supplement for improving growth and yield in rice.

[1]  Mohd Effendi bin Wasli,et al.  Yield Performance and Nutrient Uptake of Red Rice Variety (MRM 16) at Different NPK Fertilizer Rates , 2019, International Journal of Agronomy.

[2]  R. Ranjan,et al.  Interaction of nitrogen doses and establishment methods in lowland rice at Parwanipur, Bara, Nepal , 2019, Archives of Agriculture and Environmental Science.

[3]  R. Kunwar,et al.  Effect of Different Date of Sowing and Nitrogen Level on Production of Direct Seeded Rice , 2019 .

[4]  J. Shrestha,et al.  Evaluation of rice genotypes for its response to added fertility levels and induced drought tolerance during reproductive phase , 2018 .

[5]  S. Fahad,et al.  Nitrogen Fertilizer Management for Enhancing Crop Productivity and Nitrogen Use Efficiency in a Rice-Oilseed Rape Rotation System in China , 2016, Front. Plant Sci..

[6]  L. Amgain,et al.  Evaluation of Different Nutrient Management Practice in Yield and Growth in Rice in Morang District , 2016 .

[7]  R. Meena,et al.  Effect of phosphorus levels and bio-organic sources on growth and yield of rice ( Oryza sativa L.) , 2015 .

[8]  M. Haque,et al.  Optimization of Nitrogen Dose for Yield Maximization of BRRIdhan49 , 2015 .

[9]  A. Riyanto,et al.  PATH COEFFICIENT ANALYSIS G39×CIHERANG AND MENTIK WANGI×G39 RICE IN F4 GENERATION , 2014 .

[10]  S. Oladele,et al.  Response of Lowland Rice to Biofertilizesr Inoculation and their Effects on Growth and Yield in Southwestern Nigeria , 2014 .

[11]  R. Meena,et al.  Effect of NPK levels, BGA and FYM on growth and yield of rice (Oryza sativa L.). , 2014 .

[12]  K. Nahar,et al.  Plant growth characters and productivity of wetland rice (Oryza sativa L.) as affected by application of different manures. , 2010 .

[13]  F. Hu,et al.  Organic amendments with reduced chemical fertilizer promote soil microbial development and nutrient availability in a subtropical paddy field: The influence of quantity, type and application time of organic amendments , 2009 .

[14]  R. Tripathi,et al.  Effect of continuous use of manures and fertilizers on physical properties of soil under paddy-wheat-cowpea cropping system. , 1990 .

[15]  H. Belshaw,et al.  The Food and Agriculture Organization of the United Nations , 1947, International Organization.