Effect of the nano-carbon foliar fertilizer on tobacco quality in field

doi:10.16178/j.issn.0528-9017.20231108

Abstract

Abstract:

In order to determine the optimal application period of nano-foliar fertilizer in tobacco growth and its role, a field experiment was conducted in Chengjiang tobacco area of Yuxi, Yunnan Province to study the effects of nano-carbon foliar fertilizer (NCF) on tobacco quality at different periods. NCF spraying on leaves significantly increased the total nitrogen content of tobacco leaves. The average increase of middle and upper tobacco leaves was 7.37% and 14.45% respectively. Reducing sugar decreased by 17.41% on average. The nicotine content in middle and upper tobacco leaves decreased by 23.84% and 33.87% respectively. In addition, the potassium content of central tobacco leaves was significantly increased by 12.50% on average when NCF was applied in different periods. Among the four spraying periods, T1 treatment (spraying three times in the group growth period, flourishing period and peak period) had the greatest impact on the quality of tobacco. In conclusion, after spraying NCF on the leaf surface, the tobacco can improve nitrogen, increase potassium and reduce nicotine in different degrees.

Key words: nano-carbon, foliar fertilizer, tobacco quality

CLC Number:

S572

LUO Zhenbao, WANG Wenkai, ZHAO Erwei, ZHAI Xu, YU Song, CHEN Dan, ZHANG Long, Yang Xiaoe. Effect of the nano-carbon foliar fertilizer on tobacco quality in field[J]. Journal of Zhejiang Agricultural Sciences, 2025, 66(3): 609-614.

Figures/Tables 5

References 26

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处理	总氮含量/%	烟碱含量/%	总糖含量/%	还原糖含量/%
CK	2.51±0.06 c	1.72±0.17 a	20.81±0.56 a	15.20±0.68 a
T1	2.69±0.08 b	1.20±0.04 b	15.55±0.63 c	10.57±0.57 d
T2	2.68±0.04 b	1.31±0.18 b	18.63±1.81 b	12.20±0.65 c
T3	2.78±0.10 a	1.36±0.20 b	17.54±0.35 b	13.12±0.95 b
T4	2.63±0.04 b	1.36±0.22 b	15.96±0.54 c	12.94±0.39 b
处理	钾含量/%	氯含量/%	氮碱比	糖碱比
CK	1.44±0.12 b	0.22±0.04 a	1.47±0.17 b	12.03±1.34 a
T1	1.77±0.34 a	0.17±0.01 b	2.26±0.09 a	13.04±0.54 a
T2	1.82±0.03 a	0.23±0.07 a	2.07±0.29 a	14.60±3.53 a
T3	1.45±0.36 b	0.26±0.01 a	2.09±0.33 a	13.21±2.11 a
T4	1.44±0.06 b	0.24±0.06 a	1.98±0.34 a	12.01±1.88 a

处理	总氮含量/%	烟碱含量/%	总糖含量/%	还原糖含量/%
CK	2.51±0.06 c	1.72±0.17 a	20.81±0.56 a	15.20±0.68 a
T1	2.69±0.08 b	1.20±0.04 b	15.55±0.63 c	10.57±0.57 d
T2	2.68±0.04 b	1.31±0.18 b	18.63±1.81 b	12.20±0.65 c
T3	2.78±0.10 a	1.36±0.20 b	17.54±0.35 b	13.12±0.95 b
T4	2.63±0.04 b	1.36±0.22 b	15.96±0.54 c	12.94±0.39 b
处理	钾含量/%	氯含量/%	氮碱比	糖碱比
CK	1.44±0.12 b	0.22±0.04 a	1.47±0.17 b	12.03±1.34 a
T1	1.77±0.34 a	0.17±0.01 b	2.26±0.09 a	13.04±0.54 a
T2	1.82±0.03 a	0.23±0.07 a	2.07±0.29 a	14.60±3.53 a
T3	1.45±0.36 b	0.26±0.01 a	2.09±0.33 a	13.21±2.11 a
T4	1.44±0.06 b	0.24±0.06 a	1.98±0.34 a	12.01±1.88 a

处理	总氮含量/%	烟碱含量/%	总糖含量/%	还原糖含量/%
CK	2.63±0.04 c	1.86±0.01 a	20.34±0.14 a	13.94±0.09 a
T1	2.98±0.01 b	1.31±0.03 b	16.91±0.30 b	11.29±0.12 b
T2	3.17±0.04 a	1.26±0.03 b	14.78±2.28 b	10.09±1.30 c
T3	3.19±0.06 a	1.12±0.01 c	16.01±0.38 b	11.90±0.34 b
T4	2.70±0.01 c	1.23±0.08 b	16.77±0.31 b	12.77±0.45 a
处理	钾含量/%	氯含量/%	氮碱比	糖碱比
CK	1.13±0.03 b	0.21±0.01 a	1.42±0.03 d	10.97±0.07 b
T1	1.29±0.02 a	0.11±0.01 b	2.28±0.05 c	12.92±0.21 a
T2	1.11±0.04 b	0.24±0.06 a	2.52±0.04 b	11.79±2.11 a
T3	1.24±0.02 a	0.24±0.01 a	2.84±0.03 a	14.23±0.43 a
T4	1.29±0.03 a	0.14±0.01 b	2.19±0.14 c	13.65±1.12 a

处理	总氮含量/%	烟碱含量/%	总糖含量/%	还原糖含量/%
CK	2.63±0.04 c	1.86±0.01 a	20.34±0.14 a	13.94±0.09 a
T1	2.98±0.01 b	1.31±0.03 b	16.91±0.30 b	11.29±0.12 b
T2	3.17±0.04 a	1.26±0.03 b	14.78±2.28 b	10.09±1.30 c
T3	3.19±0.06 a	1.12±0.01 c	16.01±0.38 b	11.90±0.34 b
T4	2.70±0.01 c	1.23±0.08 b	16.77±0.31 b	12.77±0.45 a
处理	钾含量/%	氯含量/%	氮碱比	糖碱比
CK	1.13±0.03 b	0.21±0.01 a	1.42±0.03 d	10.97±0.07 b
T1	1.29±0.02 a	0.11±0.01 b	2.28±0.05 c	12.92±0.21 a
T2	1.11±0.04 b	0.24±0.06 a	2.52±0.04 b	11.79±2.11 a
T3	1.24±0.02 a	0.24±0.01 a	2.84±0.03 a	14.23±0.43 a
T4	1.29±0.03 a	0.14±0.01 b	2.19±0.14 c	13.65±1.12 a