Crops ›› 2022, Vol. 38 ›› Issue (3): 218-224.doi: 10.16035/j.issn.1001-7283.2022.03.032

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Distribution Characteristics of Soil Available Boron in Guiyang Tobacco Area and Its Effects on the Boron and Main Nitrogen-Containing Compounds Contents of Tobacco Leaves

Tian Chaohua1(), Zhang Xuewei2(), Guo Wei2, Liu Wenjian3, Liu Yonglai2, Cao Mingfeng4, Zhu Li4, Deng Yong4, Jing Yanqiu1(), Liu Dong2()   

  1. 1College of Tobacco, Henan Agricultural University, Zhengzhou 450002, Henan, China
    2China Tobacco Guangdong Industry Co., Ltd., Guangzhou 510310, Guangdong, China
    3Chenzhou Branch of Hunan Tobacco Company, Chenzhou 423000, Hunan, China
    4Changde Branch of Hunan Tobacco Company, Changde 415000, Hunan, China
  • Received:2021-08-18 Revised:2021-09-07 Online:2022-06-15 Published:2022-06-20
  • Contact: Jing Yanqiu,Liu Dong E-mail:936409117@qq.com;50570794@qq.com;jingyanqiu72t@163.com;elveld@126.com

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Abstract:

Using soil and tobacco samples in Guiyang tobacco area as materials, the distribution characteristics of soil available boron content in Guiyang tobacco area, main influencing factors, and the effects on the content of boron and main nitrogen-containing compounds in the soil of Guiyang tobacco area were studied by multivariate statistical methods for providing a theoretical basis for the rational application of boron fertilizer and the improvement of tobacco leaf quality in Guiyang tobacco area. The results showed that the soil available boron content in Guiyang tobacco area was adequate and the area with insufficient available was relatively low, only 4.27%, and there were significant differences between regions. The soil available boron content increased first and then decreased with the increase of pH and increased with the increase of organic matter content. With the increase of soil available boron content, the boron content of tobacco leaves gradually increased, the protein and total amino acid content increased first and then decreased, and the nicotine content decreased first and then increased. Soil pH and organic matter content affected the soil available boron content with varying degrees which in turn affected the content of boron and main nitrogen compounds in tobacco leaves.

Key words: Guiyang tobacco area, Soil available boron, Tobacco leaf boron, Nitrogen-containing compounds

Table 1

Distribution characteristics of soil available boron contents in different towns"

地点
Location		 样本数
Number
of samples		 变幅
Range
(mg/kg)		 均值
Mean
(mg/kg)		 标准差
Standard
deviation		 偏度
Skewness		 峰度
Kurtosis		 变异系数
Coefficient
of variation (%)
敖泉镇Aoquan 23 0.36~0.59 0.46cde 0.07 0.67 -0.47 14.61
舂陵江镇Chonglingjiang 15 0.21~0.59 0.40de 0.10 0.12 0.72 23.98
洋市镇Yangshi 28 0.19~0.54 0.39e 0.08 -0.15 0.22 21.08
方元镇Fangyuan 42 0.39~1.13 0.61abc 0.16 1.09 1.61 26.45
浩塘镇Haotang 28 0.44~0.95 0.65ab 0.13 0.57 -0.01 20.08
仁义镇Renyi 79 0.30~1.33 0.67a 0.21 0.84 1.16 30.55
太和镇Taihe 11 0.31~0.52 0.43de 0.06 -0.29 -0.36 14.69
正和镇Zhenghe 6 0.28~0.67 0.41de 0.16 1.00 -0.22 38.63
龙潭街道Longtan 19 0.32~0.89 0.49bcde 0.14 1.62 3.29 28.26
樟市镇Zhangshi 46 0.22~0.69 0.50bcde 0.11 -0.39 0.04 21.68
和平镇Heping 15 0.36~0.81 0.52abcde 0.15 0.99 -0.25 28.94
桥市乡Qiaoshi 6 0.44~0.67 0.57abcd 0.08 -0.32 -0.38 14.58
雷坪镇Leiping 10 0.49~0.76 0.60abc 0.09 0.70 -0.42 14.97
桂阳县Guiyang 328 0.19~1.33 0.55 0.18 1.09 2.06 32.73

Fig.1

Distribution ratio of soil available boron content in different towns"

Table 2

Changes of available boron contents in different soil parent materials"

成土母质
Soil parent
material		 样本数
Number
of samples		 均值
Mean
(mg/kg)		 变幅
Range
(mg/kg)		 变异系数
Coefficient of
variation (%)		 分布频率Distribution frequency (%)
≤0.14
mg/kg		 0.15~0.29
mg/kg		 0.30~0.59
mg/kg		 0.60~0.99
mg/kg		 ≥1.00
mg/kg
冲积物Alluvial deposit 11 0.45±0.15b 0.21~0.74 33.97 0.00 18.18 63.64 18.18 0.00
洪积物Flood deposit 275 0.54±0.18ab 0.19~1.33 32.80 0.00 4.36 69.09 24.00 2.55
坡积物Slopes 44 0.59±0.16a 0.34~1.03 26.69 0.00 0.00 52.27 45.45 2.28

Table 3

Changes of available boron contents in different texture soils"

土壤质地
Soil texture		 样本数
Number
of samples		 均值
Mean
(mg/kg)		 变幅
Range
(mg/kg)		 变异系数
Coefficient of
variation (%)		 分布频率Distribution frequency (%)
≤0.14
mg/kg		 0.15~0.29
mg/kg		 0.30~0.59
mg/kg		 0.60~0.99
mg/kg		 ≥1.00
mg/kg
黏土Clay 143 0.49±0.15b 0.19~0.98 29.58 0.00 5.59 76.22 18.19 0.00
黏壤土Clay loam 167 0.59±0.17a 0.26~1.33 31.05 0.00 0.60 62.28 32.93 4.19
壤土Loam 20 0.65±0.20a 0.30~1.13 30.56 0.00 0.00 44.44 50.00 5.56

Table 4

Changes of soil available boron contents in different pH ranges"

pH 样本数
Number of samples		 均值
Mean (mg/kg)		 变异系数
Coefficient of variation (%)		 最小值
Minimum (mg/kg)		 最大值
Maximum (mg/kg)
5.00~5.49 10 0.37±0.16c 42.48 0.19 0.59
5.50~5.99 13 0.43±0.11abc 25.67 0.27 0.63
6.00~6.49 25 0.52±0.12ab 23.39 0.26 0.78
6.50~6.99 37 0.59±0.17a 28.86 0.31 1.03
7.00~7.49 54 0.62±0.21a 33.27 0.30 1.33
≥7.50 189 0.54±0.17ab 31.22 0.27 1.31

Fig.2

Regression relationship between soil pH and available boron content"

Table 5

Changes of soil available boron contents in different organic matter content ranges"

有机质含量
Organic matter content (g/kg)		 样本数
Number of samples		 均值
Mean (mg/kg)		 变异系数
Coefficient of variation (%)		 最小值
Minimum (mg/kg)		 最大值
Maximum (mg/kg)
≤24.99 10 0.46±0.13b 28.80 0.19 0.60
25.00~34.99 57 0.47±0.12b 24.80 0.22 0.82
35.00~44.99 89 0.51±0.15ab 29.84 0.28 1.31
45.00~54.99 93 0.60±0.20a 32.51 0.21 1.33
≥55.00 79 0.61±0.18a 30.31 0.27 1.13

Fig.3

Regression relationship between soil organic matter content and available boron content"

Table 6

Changes of boron contents in tobacco leaves under different soil available boron content ranges"

土壤有效硼含量
Soil available boron content (mg/kg)		 样本数
Number of samples		 均值
Mean (mg/kg)		 变异系数
Coefficient of variation (%)		 最小值
Minimum (mg/kg)		 最大值
Maximum (mg/kg)
0.15~0.29 14 13.76±4.18c 30.36 8.25 21.83
0.30~0.59 216 20.41±5.48b 26.86 8.61 38.89
0.60~0.99 91 27.67±6.70a 24.22 12.53 48.50
≥1.00 7 28.95±4.14a 14.31 21.80 33.49

Fig.4

Regression relationship between soil available boron content and tobacco boron content"

Fig.5

The effects of soil available boron on the protein and amino acid content of tobacco leaves"

Fig.6

The effects of soil available boron content changes on the total nitrogen and nicotine content of tobacco leaves"

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