Effects of tobacco straw organic fertilizer on soil nutrients, tobacco growth and quality in tobacco-planting soils under different cropping systems

doi:10.14088/j.cnki.issn0439-8114.2026.10.008

Abstract

Abstract: To determine the appropriate application rate of tobacco straw organic fertilizer in continuous cropping and non-continuous cropping tobacco fields and to systematically evaluate its comprehensive effects on soil properties, tobacco growth and tobacco leaf quality, a field randomized block experiment was conducted in tobacco-growing areas of Luoyang, Henan Province, using a five-year continuous cropping plot and a tobacco-wheat rotation (non-continuous cropping) plot, with the application of 450 kg/hm² chemical compound fertilizer alone as the control, and with three organic fertilizer application rates of 3 000, 6 000 and 9 000 kg/hm², each combined with 450 kg/hm² chemical compound fertilizer. Based on the measured data of soil physical and chemical properties, microbial community indicators, and tobacco yield and quality, and combined with the comprehensive loading scores of different treatments obtained by principal component analysis, the comprehensive evaluation results showed that under non-continuous cropping conditions, the 3 000 kg/hm² treatment had the best overall improvement effect on soil physical and chemical properties, microbial communities, and tobacco yield and quality; under continuous cropping conditions, the 9 000 kg/hm² treatment showed the best overall effect, but the 6 000 kg/hm² treatment was the most prominent among all continuous cropping treatments in output value and yield.

Key words: tobacco, straw, organic fertilizer, cropping system, continuous cropping, non-continuous cropping, soil nutrients, tobacco growth, tobacco quality

CLC Number:

S156

WANG Yu-jie, WU Dong-ling, MIAO Pu, ZHENG Xue-bo, CHEN Xue-lai, LI Hai-bin, WANG Hui, XU Yan-li. Effects of tobacco straw organic fertilizer on soil nutrients, tobacco growth and quality in tobacco-planting soils under different cropping systems[J]. HUBEI AGRICULTURAL SCIENCES, 2026, 65(10): 51-58.

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