Effects of Microbial Fertilizer on Growth and Quality of Flue-cured Tobacco ‘K326’

doi:10.11924/j.issn.1000-6850.casb2020-0661

Abstract

Abstract:

To screen the microbial fertilizer suitable for the ecological environment of Hechi tobacco area, and to study the effects of different types and application methods of microbial fertilizer on the growth and development of flue-cured tobacco and the yield and quality of tobacco leaves, a microbial fertilizer exploration experiment was conducted in Nandan County, Hechi City, taking main tobacco variety ‘K326’ as the test object. The results show that: the application of microbial fertilizer at the time of transplanting and 10 days after transplanting could significantly improve the yield and quality of tobacco, effectively promote the growth and development of tobacco, and significantly increase the plant height, stem circumference, effective leaf number, leaf length and leaf width compared with the control. The microbial fertilizer could improve the yield and output value of tobacco, significantly improve the physical properties, chemical composition indexes and appearance quality of flue-cured tobacco leaves, increase the potassium oxide content of each part of tobacco leaves and the nicotine content of upper leaves, and make the chemical components in tobacco leaves more coordinated. Three kinds of microbial fertilizers have the best effect on the tobacco production in the Hechi tobacco area by root irrigation at the time of transplanting and 10 days after transplanting.

Key words: flue-cured tobacco, microbial fertilizer, agronomic character, economic character, chemical composition, tobacco quality

CLC Number:

S144.9

Liang Yongjin, Shang Haili, Pan Wenzheng, Zhao Xuetong, Li Dewen, Li Jianyun, Zhang Qi. Effects of Microbial Fertilizer on Growth and Quality of Flue-cured Tobacco ‘K326’[J]. Chinese Agricultural Science Bulletin, 2021, 37(23): 45-51.

Figures/Tables 10

References 20

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处理	移栽期	团棵期	旺长期	现蕾期	封顶	脚叶成熟期	顶叶成熟期	大田生育期
T1	3-12	5-4	6-3	6-15	6-25	7-1	8-3	144
T2	3-12	5-4	6-3	6-15	6-25	7-1	8-3	144
T3	3-12	5-4	6-3	6-15	6-25	7-1	8-3	144
T4	3-12	5-1	5-30	6-12	6-23	7-1	8-3	144
T5	3-12	5-1	5-30	6-12	6-23	7-1	8-3	144
T6	3-12	5-1	5-30	6-12	6-23	7-1	8-3	144
T7	3-12	5-1	5-30	6-12	6-23	7-1	8-3	144
T8	3-12	5-1	5-30	6-12	6-23	7-1	8-3	144
T9	3-12	5-1	5-30	6-12	6-23	7-1	8-3	144
T10(CK)	3-12	5-6	6-7	6-18	6-28	7-4	8-6	147

处理	移栽期	团棵期	旺长期	现蕾期	封顶	脚叶成熟期	顶叶成熟期	大田生育期
T1	3-12	5-4	6-3	6-15	6-25	7-1	8-3	144
T2	3-12	5-4	6-3	6-15	6-25	7-1	8-3	144
T3	3-12	5-4	6-3	6-15	6-25	7-1	8-3	144
T4	3-12	5-1	5-30	6-12	6-23	7-1	8-3	144
T5	3-12	5-1	5-30	6-12	6-23	7-1	8-3	144
T6	3-12	5-1	5-30	6-12	6-23	7-1	8-3	144
T7	3-12	5-1	5-30	6-12	6-23	7-1	8-3	144
T8	3-12	5-1	5-30	6-12	6-23	7-1	8-3	144
T9	3-12	5-1	5-30	6-12	6-23	7-1	8-3	144
T10(CK)	3-12	5-6	6-7	6-18	6-28	7-4	8-6	147

处理	株高/cm	茎围/cm	节距/cm	单株叶片数	叶面积系数
T1	59.66a	7.96ab	3.44a	17.33a	1.92a
T2	59.08a	8.25ab	3.51a	16.93a	2.06a
T3	58.29a	7.98ab	3.38a	17.33a	1.88a
T4	58.62a	7.14b	3.59a	16.47a	1.72a
T5	57.04a	8.08ab	3.46a	16.53a	1.89a
T6	62.39a	8.42a	3.87a	16.20a	1.85a
T7	66.47a	8.41a	3.82a	17.60a	2.11a
T8	64.41a	7.88ab	3.73a	17.27a	1.93a
T9	63.86a	8.22ab	3.79a	17.00a	2.09a
T10(CK)	59.18a	7.42ab	3.52a	16.80a	1.69a

处理	株高/cm	茎围/cm	节距/cm	单株叶片数	叶面积系数
T1	59.66a	7.96ab	3.44a	17.33a	1.92a
T2	59.08a	8.25ab	3.51a	16.93a	2.06a
T3	58.29a	7.98ab	3.38a	17.33a	1.88a
T4	58.62a	7.14b	3.59a	16.47a	1.72a
T5	57.04a	8.08ab	3.46a	16.53a	1.89a
T6	62.39a	8.42a	3.87a	16.20a	1.85a
T7	66.47a	8.41a	3.82a	17.60a	2.11a
T8	64.41a	7.88ab	3.73a	17.27a	1.93a
T9	63.86a	8.22ab	3.79a	17.00a	2.09a
T10(CK)	59.18a	7.42ab	3.52a	16.80a	1.69a

处理	株高/cm	茎围/cm	节距/cm	单株叶片数	叶面积系数
T1	61.71a	8.01ab	3.55a	17.40a	2.45ab
T2	63.10a	8.59a	3.68a	17.27a	2.48ab
T3	60.15a	8.57a	3.56a	16.93a	2.42ab
T4	61.99a	7.46b	3.86a	16.27a	2.14b
T5	62.90a	8.23ab	3.82a	16.53a	2.23b
T6	64.19a	8.57a	3.98a	16.20a	2.28ab
T7	69.23a	8.73a	3.91a	17.87a	2.55ab
T8	66.95a	8.19ab	3.89a	17.20a	2.34ab
T9	66.20a	8.56a	3.91a	17.00a	2.60a
T10(CK)	61.61a	7.47b	3.72a	16.53a	2.01b