Research on Crops

SCOPUS
  • Year: 2024
  • Volume: 25
  • Issue: 3

Efficiency of biochar and bioorganic fertilizer from crop residues on rice (Oryza sativa L.) productivity in Central Vietnam

  • Author:
  • T. D. Tran1, V. T. Tran2, T. P. L. Bui3, Q. H. Dinh3, T. N. M. Nguyen4, T. T. H. Hoang1,*
  • Total Page Count: 6
  • Page Number: 363 to 368

1University of Agriculture and Forestry, Hue University, Hue City, Thua Thien Hue province, Vietnam

2People's Committee of Bo Trach district, Quang Binh province, Vietnam

3Institute of Agricultural Environment, Hanoi, Vietnam

4Thua Thien Hue Department of Crop Production and Protection, Hue city, Thua Thien Hue province, Vietnam

Abstract

Inappropriate fertilizer application for rice crop resulted in the yield and soil fertility issues, then biochar and bioorganic utilization considered as the best solution for this situation. This study aimed to assess the combination of biochar and BOFs on growth and yield of lowland rice. The experiments were conducted at the field in Thua Thien Hue province, Central Vietnam in two crop seasons from 2023-2024. The completely randomized block experimental design involved three replications with five treatment combinations i.e., 100% NPK (control); 80% NPK + 5 t/ha BOF + 2 t/ha biochar; 80% CMOF + 5 t/ha BF + 2 t/ha biochar + 400 kg/ha lime; 70% CMOF + 5 t/ha BOF + 3 t/ha biochar + 400 kg/ha lime; 60% CMOF + 10 t/ha BOF + 3 t/ha biochar + 400 kg/ha lime. The effect of these treatments was analyzed using analysis of variance (ANOVA) and least significant difference (LSD) with a 95% confidence level (α=0.05). We found that the optimal combination is 80% NPK + 5 t/ha BOF + 2 t/ha biochar on rice plant height (98.67 cm), dry matter (12.43 g/plant) and economic yields (6.95 t/ha). The combination is capable of increasing the rice productivity according to rice performance and yield.

Keywords

Biochar, BOF, Crop residues, Dry matter yield, Rice yield