Effects and Correlative Analysis of Slow-release Nitrogen Supply on Yield and Dry Matter of Summer Maize at Lime Concretion Black Soil

doi:10.6048/j.issn.1001-4330.2022.09.011

Abstract

Abstract:

【Objective】 In order to research effects of slow-release nitrogen supply on yield and dry matter of Summer maize at lime concretion black soil．【Method】 using Beiqing 340， five levels of control （C₀）， slow-release urea 70 kg / hm² （C₇₀）， slow-release urea 140 kg / hm² （C₁₄₀）， slow-release urea 210 kg / hm² （C₂₁₀） and slow-release urea 280 kg / hm² （C₂₈₀） were set up.【Result】 The results of correlation and regression showed that with the increase of slow-release nitrogen fertilizer， Dry matter and yield increased first and then decreased. The correlation otherness between organic dry matter and yield character， the para correlation weight of stem and leaf sheath at R₃and R6，others positive correlation， linear relationship between organic dry matter and yield character.【Conclusion】 Comprehensive consider yield increment and the cost slow-release 210 kg/hm²（C₂₁₀）can be recommend fertilization model of maize in the area of study.

Key words: slow-release of nitrogen fertilizer; lime concretion black soil; summer maize; dry material accumulation; yield; correlation analysis

摘要：

【目的】 研究砂姜黑土区缓释氮对夏玉米干物质积累和产量的影响。【方法】 以北青340为供试玉米品种，设置对照（C₀）、缓释氮70 kg/hm²（C₇₀）、140 kg/hm²（C₁₄₀）、210 kg/hm²（C₂₁₀）、280 kg/hm²（C₂₈₀）5个水平。【结果】 随缓释氮施用量的增加，抽雄开花后器官干物质量和产量均呈先增加再降低的变化规律；产量因素与器官干物质量相关性有差异，与R₃茎+鞘、R₆茎+鞘之和干物质量负相关，其它正相关，产量性状与器官干物质量存在显著的线性关系。【结论】 缓释氮210 kg/hm²可作为砂姜黑土区夏玉米氮素施用量。

关键词: 缓释氮肥, 砂姜黑土, 夏玉米, 干物质积累, 产量, 相关性

CLC Number:

S513

XING Yongfeng, ZHOU Wenwei, XU Weimeng, CHEN Guoli, WEI Changmin, LI Guizhi, SONG Wanyou, WAN Yanwei, ZHOU Enzhong, LI Weifang. Effects and Correlative Analysis of Slow-release Nitrogen Supply on Yield and Dry Matter of Summer Maize at Lime Concretion Black Soil[J]. Xinjiang Agricultural Sciences, 2022, 59(9): 2179-2185.

邢永锋, 周文伟, 许卫猛, 陈国立, 魏常敏, 李桂芝, 宋万友, 万彦伟, 周恩忠, 李伟房. 缓释氮对砂姜黑土区夏玉米干物质积累和产量影响及相关分析[J]. 新疆农业科学, 2022, 59(9): 2179-2185.

Figures/Tables 12

References 20

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处理 Treatment	拔节期 V₆	抽雄期 VT	灌浆期 R₃	成熟期 R₆
C₀	787.86^e	3 119.17^e	14 215.27^e	15 113.50^d
C₇₀	936.75^d	3 945.02^d	15 025.27^d	17 597.07^c
C₁₄₀	1 202.56^c	5 205.96^c	15 794.20^c	18 945.63^b
C₂₁₀	1 381.76^b	7 655.59^a	17 323.53^a	20 565.93^a
C₂₈₀	1 547.40^a	6 163.52^b	16 617.59^b	18 652.90^b

处理 Treatment	拔节期 V₆	抽雄期 VT	灌浆期 R₃	成熟期 R₆
C₀	787.86^e	3 119.17^e	14 215.27^e	15 113.50^d
C₇₀	936.75^d	3 945.02^d	15 025.27^d	17 597.07^c
C₁₄₀	1 202.56^c	5 205.96^c	15 794.20^c	18 945.63^b
C₂₁₀	1 381.76^b	7 655.59^a	17 323.53^a	20 565.93^a
C₂₈₀	1 547.40^a	6 163.52^b	16 617.59^b	18 652.90^b

处理Treatment	拔节期 V₆	抽雄期 VT	灌浆期 R₃	成熟期 R₆
C₀	467.19^e	926.71^e	2 956.82^e	2 297.28^d
C₇₀	573.24^d	1 234.87^d	3 425.81^d	2 780.45^c
C₁₄₀	758.69^c	1 785.72^c	4 011.75^c	3 107.33^b
C₂₁₀	924.55^b	2 878.33^a	4 637.54^a	3 681.11^a
C₂₈₀	1 013.07^a	2 225.60^b	4 191.46^b	3 188.88^b

处理Treatment	拔节期 V₆	抽雄期 VT	灌浆期 R₃	成熟期 R₆
C₀	467.19^e	926.71^e	2 956.82^e	2 297.28^d
C₇₀	573.24^d	1 234.87^d	3 425.81^d	2 780.45^c
C₁₄₀	758.69^c	1 785.72^c	4 011.75^c	3 107.33^b
C₂₁₀	924.55^b	2 878.33^a	4 637.54^a	3 681.11^a
C₂₈₀	1 013.07^a	2 225.60^b	4 191.46^b	3 188.88^b

处理 Treatment	拔节期 V₆	抽雄期 VT	灌浆期 R₃	成熟期 R₆
C₀	320.67^d	2 192.46^e	8 045.72^a	5 937.0945^a
C₇₀	363.51^c	2 710.15^d	7 362.25^c	5 912.1304^a
C₁₄₀	443.86^b	3 420.24^c	7 075.75^d	5 889.5537^a
C₂₁₀	457.21^b	4 777.27^a	7 015.02^d	5 541.6406^a
C₂₈₀	534.33^a	3 937.92^b	7 622.94^b	5 528.5225^a