Abstract
Rice (Oryza sativa L.) is the staple food of more than 60 percent of the world’s population and is considered the “global grain”. It is the main staple food in the Asia and the Pacific region. This study was conducted to ascertain the Impact of Various Treatment Combinations on the Nutrient Uptake of rice grains and straw. The field experiments were carried out at the research Farm of Acharya Narendra Deva University of Agriculture & Technology, Kumarganj, Ayodhya (U.P.) during Kharif, 2021-22. The experiment was laid out in randomized block design with 3 replications having 8 treatments. The eight treatments combinations were: T1(Absolute Control), T2 (Bio decomposed compost 1q/ha+50%RDF), T3 (Bio decomposed compost 1.5 q/ha+50%RDF), T4 (Bio decomposed compost 1q/ha+50% RDF + Root dipping with bio decomposed compost wash 10 ml/ lit of water), T5 (Bio decomposed compost 1.5 q/ha+50%RDF + Root dipping with bio decomposed wash 10 ml/lit of water), T6 (Bio decomposed compost 1q/ha+50%RDF+foliar application of bio decomposed compost wash of 10 ml/ lit of water), T7 (Bio decomposed compost 1.5 q/ha+50%RDF + foliar application of bio decomposed compost wash of 10 ml/ lit of water), T8 (100% RDF). As per findings, Nutrient uptake of N, P and K by grain of Rice varied from 44.32 kg ha-1 to 77.03 kg ha-1, 11.90 kg ha-1 to 20.85 kg ha-1, and 22.16 kg ha-1 to 45.17 kg ha-1. In Rice straw, N, P and K uptake varied from 20.16 kg ha-1 to 36 kg ha-1, 8.17 kg ha-1 to 15.62 kg ha-1, and 66.67 kg ha-1 to 100.55 kg ha-1. The application of organic manures significantly influenced nutrient uptake, attributed to enhanced photosynthesis, increased biomass, and improved nutrient availability. The findings align with previous research, emphasizing the positive impact of organic manure on nutrient uptake in rice crops. These studies contribute valuable insights into optimizing agricultural practices for enhanced nutrient management and sustainable crop production.
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