Published: Nov. 21, 2023
Coal mining has caused a significant loss of nitrogen content soil in areas. This article studies the effects organic fertilizer, inorganic and combined application Pseudomonas fluorescens with ability fixation on accumulation composition reclamation area Tunlan Mine from 2016 to 2022 under condition equal application, providing scientific basis for microbial fertilization rapid increase reclaimed The results showed that as time increased, its structure treated rapidly evolved towards normal farmland soil. increased fastest treatment + fertilizer (MB), compared (CF), (M), (CFB) treatments, (MB) can bring total (TN) levels 1-3 years earlier. comprehensive scores two principal components were 1.58 0.79 than those (M) (CF) respectively. further indicates combination better effect improving fertilizer. At same time, will unknown (UN) acid-hydrolysable (AHN), decrease amino acid (AAN) ammonia (AN), relatively. However, there was no ammonium (NH4+-N) nitrate (NO3--N) (SMN). When contribution mineralized (SMN) by 14.78%, while when (AHN) 44.77%. In summary, use is beneficial recovery coal optimal method experimental conditions
Language: Английский