Effects of Different Nitrogen Fertilization on Main Agronomic Characters and Yield of Mung Bean

doi:10.11924/j.issn.1000-6850.casb19020073

Abstract

Abstract:

To determine the best nitrogen fertilizing amount of mung bean in Yulin sandy area of Shaanxi Province, with mung bean varieties ‘Yulv No.1’ as the test material, 6 nitrogen application gradients were designed to study the effects of different nitrogen application amounts on mung bean botanical characters, economic characters and yield. The results showed that nitrogen application had a significant effect on plant height, branching number, 100-seed weight and yield of mung bean, and there was no significant difference in pods of branches, pod length, pods per plant and number of seeds per pod of mung bean. The regression equation of nitrogen application amount and yield showed that based on the application of P₂O₅ 60 kg/hm², K₂O 45 kg/hm² and commercial organic fertilizer 750 kg/hm², the optimal N application amount was 75 kg/hm².

Key words: mung bean, nitrogen fertilizer, agronomic characters, yield

CLC Number:

S522
S143.1

Wang Xiaoying, Wang Meng, Wang Bin, Guo Aiqin, Wan Yu, Wu Yanli, Zhang Fang. Effects of Different Nitrogen Fertilization on Main Agronomic Characters and Yield of Mung Bean[J]. Chinese Agricultural Science Bulletin, 2020, 36(17): 95-98.

Figures/Tables 6

References 27

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处理	株高/cm	主茎分枝数/个	主茎节数/节	荚长/cm
1	82.3b	2.4b	8.1a	11.0a
2	89.7a	2.9ab	8.4a	11.1a
3	88.0ab	2.9ab	9.0a	10.2a
4	88.6ab	3.2a	8.8a	11.3a
5	91.0a	3.0ab	8.6a	11.0a
6	89.3a	3.1ab	9.0a	10.9a

处理	株高/cm	主茎分枝数/个	主茎节数/节	荚长/cm
1	82.3b	2.4b	8.1a	11.0a
2	89.7a	2.9ab	8.4a	11.1a
3	88.0ab	2.9ab	9.0a	10.2a
4	88.6ab	3.2a	8.8a	11.3a
5	91.0a	3.0ab	8.6a	11.0a
6	89.3a	3.1ab	9.0a	10.9a

处理	单株荚数/个	单荚粒数/粒	百粒重/g
1	15.7a	11.9a	6.36ab
2	20.8a	12.8a	6.39ab
3	20.9a	12.2a	6.05b
4	18.3a	12.9a	6.76a
5	17.7a	12.7a	6.85a
6	19.2a	12.2a	6.41ab

处理	单株荚数/个	单荚粒数/粒	百粒重/g
1	15.7a	11.9a	6.36ab
2	20.8a	12.8a	6.39ab
3	20.9a	12.2a	6.05b
4	18.3a	12.9a	6.76a
5	17.7a	12.7a	6.85a
6	19.2a	12.2a	6.41ab

处理	重复Ⅰ	重复Ⅱ	重复Ⅲ	平均值
1	948	1010	938	965bc
2	1021	896	1031	983bc
3	1302	1219	1260	1260a
4	1250	1052	979	1094ab
5	1063	1000	1125	1063bc
6	1073	802	854	910c