Journal of Agricultural Science and Technology ›› 2022, Vol. 24 ›› Issue (4): 144-153.DOI: 10.13304/j.nykjdb.2021.0041
• BIO-MANUFACTURING & RESOURCE AND ECOLOGY • Previous Articles Next Articles
Yuan YI(), Huiyun ZHANG, Liwei LIU, Jing WANG, Xuecheng ZHU, Na ZHAO, Guohua FENG()
Received:
2021-01-13
Accepted:
2021-04-11
Online:
2022-04-15
Published:
2022-04-19
Contact:
Guohua FENG
易媛(), 张会云, 刘立伟, 王静, 朱雪成, 赵娜, 冯国华()
通讯作者:
冯国华
作者简介:
易媛 E-mail:yvonneyi19890803@163.com;
基金资助:
CLC Number:
Yuan YI, Huiyun ZHANG, Liwei LIU, Jing WANG, Xuecheng ZHU, Na ZHAO, Guohua FENG. Effects of Slow-released Fertilizer Compound Humic Acid Instead of Urea on Grain Yield and Population Quality in Xumai New Varieties[J]. Journal of Agricultural Science and Technology, 2022, 24(4): 144-153.
易媛, 张会云, 刘立伟, 王静, 朱雪成, 赵娜, 冯国华. 活性腐殖酸缓释肥替代尿素对徐麦新品种产量和群体质量的影响[J]. 中国农业科技导报, 2022, 24(4): 144-153.
处理 Treatment | 施肥时期和用量 Topdressing period and dosage/% | 追施氮肥种类 Topdressing type | ||
---|---|---|---|---|
基肥 Base fertilizer | 返青期 Re-greening period | 拔节期 Jointing period | ||
A1 | 100 | — | — | — |
A2 | 50 | 50 | — | 缓释肥SRF |
A3 | 50 | — | 50 | 缓释肥SRF |
A4 | 50 | 50 | — | 尿素Urea |
A5 | 50 | — | 50 | 尿素Urea |
Table 1 Design of nitrogen topdressing treatment
处理 Treatment | 施肥时期和用量 Topdressing period and dosage/% | 追施氮肥种类 Topdressing type | ||
---|---|---|---|---|
基肥 Base fertilizer | 返青期 Re-greening period | 拔节期 Jointing period | ||
A1 | 100 | — | — | — |
A2 | 50 | 50 | — | 缓释肥SRF |
A3 | 50 | — | 50 | 缓释肥SRF |
A4 | 50 | 50 | — | 尿素Urea |
A5 | 50 | — | 50 | 尿素Urea |
品种 Variety | 基肥种类 Type of base fertilizer | 追肥处理 Topdressing treatment | 穗数 Number of ears/ (104·hm-2) | 每穗粒数Grans per spike | 千粒重 1 000-grain weight/g | 产量 Grain yield/ (kg·hm-2) |
---|---|---|---|---|---|---|
徐麦2023 Xumai 2023 | 尿素 Urea | A1 | 611.5 ab | 31.0 b | 41.9 cdefgh | 7 888.9 h |
A2 | 629.5 ab | 33.3 ab | 40.2 ghi | 8 358.4 efg | ||
A3 | 618.0 ab | 34.2 ab | 39.9 i | 8 321.5 efg | ||
A4 | 607.7 b | 33.4 ab | 40.5 fghi | 8 141.8 fgh | ||
A5 | 609.0 b | 35.0 ab | 40.1 hi | 8 365.7 ef | ||
缓释肥 SRF | A1 | 624.3 ab | 30.9 b | 43.4 bc | 8 034.9 gh | |
A2 | 638.5 ab | 32.8 ab | 42.3 bcdef | 8 605.3 de | ||
A3 | 602.6 b | 33.9 ab | 40.8 efghi | 8 337.0 efg | ||
A4 | 648.7 ab | 33.2 ab | 39.4 i | 8 299.1 efg | ||
A5 | 630.8 ab | 35.8 a | 40.5 fghi | 8 401.9 ef | ||
徐麦38 Xumai 38 | 尿素 Urea | A1 | 612.8 ab | 32.7 ab | 43.9 b | 8 707.1 cd |
A2 | 682.0 a | 32.9 ab | 42.0 cdefg | 9 201.6 ab | ||
A3 | 630.8 ab | 35.8 a | 40.9 efghi | 8 911.0 bcd | ||
A4 | 633.3 ab | 34.1 ab | 42.1 cdefg | 8 815.7 cd | ||
A5 | 628.2 ab | 35.1 ab | 42.5 bcde | 8 971.8 abc | ||
缓释肥 SRF | A1 | 641.0 ab | 31.0 b | 45.9 a | 8 788.9 cd | |
A2 | 664.1 ab | 33.4 ab | 42.2 bcdef | 9 246.5 a | ||
A3 | 639.8 ab | 33.5 ab | 42.7 bcde | 9 032.2 abc | ||
A4 | 644.9 ab | 33.1 ab | 43.0 bcd | 8 956.1 abc | ||
A5 | 653.8 ab | 35.3 a | 41.1 defghi | 9 157.8 ab |
Table 2 Effects of different nitrogen treatment on yield and its component factors
品种 Variety | 基肥种类 Type of base fertilizer | 追肥处理 Topdressing treatment | 穗数 Number of ears/ (104·hm-2) | 每穗粒数Grans per spike | 千粒重 1 000-grain weight/g | 产量 Grain yield/ (kg·hm-2) |
---|---|---|---|---|---|---|
徐麦2023 Xumai 2023 | 尿素 Urea | A1 | 611.5 ab | 31.0 b | 41.9 cdefgh | 7 888.9 h |
A2 | 629.5 ab | 33.3 ab | 40.2 ghi | 8 358.4 efg | ||
A3 | 618.0 ab | 34.2 ab | 39.9 i | 8 321.5 efg | ||
A4 | 607.7 b | 33.4 ab | 40.5 fghi | 8 141.8 fgh | ||
A5 | 609.0 b | 35.0 ab | 40.1 hi | 8 365.7 ef | ||
缓释肥 SRF | A1 | 624.3 ab | 30.9 b | 43.4 bc | 8 034.9 gh | |
A2 | 638.5 ab | 32.8 ab | 42.3 bcdef | 8 605.3 de | ||
A3 | 602.6 b | 33.9 ab | 40.8 efghi | 8 337.0 efg | ||
A4 | 648.7 ab | 33.2 ab | 39.4 i | 8 299.1 efg | ||
A5 | 630.8 ab | 35.8 a | 40.5 fghi | 8 401.9 ef | ||
徐麦38 Xumai 38 | 尿素 Urea | A1 | 612.8 ab | 32.7 ab | 43.9 b | 8 707.1 cd |
A2 | 682.0 a | 32.9 ab | 42.0 cdefg | 9 201.6 ab | ||
A3 | 630.8 ab | 35.8 a | 40.9 efghi | 8 911.0 bcd | ||
A4 | 633.3 ab | 34.1 ab | 42.1 cdefg | 8 815.7 cd | ||
A5 | 628.2 ab | 35.1 ab | 42.5 bcde | 8 971.8 abc | ||
缓释肥 SRF | A1 | 641.0 ab | 31.0 b | 45.9 a | 8 788.9 cd | |
A2 | 664.1 ab | 33.4 ab | 42.2 bcdef | 9 246.5 a | ||
A3 | 639.8 ab | 33.5 ab | 42.7 bcde | 9 032.2 abc | ||
A4 | 644.9 ab | 33.1 ab | 43.0 bcd | 8 956.1 abc | ||
A5 | 653.8 ab | 35.3 a | 41.1 defghi | 9 157.8 ab |
品种 Variety | 基肥种类 Type of base fertilizer | 追肥处理 Topdressing treatment | 越冬期Wintering period | 返青期Regreening period | 拔节期Jointing period | 孕穗期Booting period | 开花期Anthesis period |
---|---|---|---|---|---|---|---|
徐麦2023 Xumai 2023 | 尿素Urea | A1 | 2.8 ab | 3.1 cd | 3.7 c | 6.9 efgh | 3.8 j |
A2 | 2.1 d | 2.6 e | 3.3 cdefghi | 7.6 ab | 5.6 a | ||
A3 | 2.1 d | 2.5 e | 3.1 fghi | 7.2 bcdef | 5.2 bcde | ||
A4 | 2.2 cd | 2.8 cde | 3.5 cdefgh | 7.2 bcdef | 5.4 abcd | ||
A5 | 2.3 bcd | 2.7 cde | 3.0 hi | 7.2 bcdef | 5.5 abc | ||
缓释肥 SRF | A1 | 3.0 a | 3.9 a | 4.6 a | 7.1 cdefg | 4.2 i | |
A2 | 2.6 abc | 3.1 bcd | 3.5 cdefgh | 7.9 a | 5.2 abcde | ||
A3 | 2.7 ab | 3.1 bcd | 3.2 efghi | 7.4 bcd | 5.0 defg | ||
A4 | 2.6 abc | 3.0 cd | 3.7 cd | 7.1 defg | 4.9 efg | ||
A5 | 2.3 bcd | 2.9 cde | 3.1 hi | 7.4 bcd | 5.4 abcd | ||
徐麦38 Xumai38 | 尿素Urea | A1 | 2.7 ab | 3.2 bc | 3.5 cdefg | 6.3 j | 4.3 hi |
A2 | 2.6 abc | 2.9 cde | 3.1 fghi | 7.3 bcde | 5.2 abcde | ||
A3 | 2.6 abc | 2.8 cde | 2.9 i | 6.8 ghi | 4.2 i | ||
A4 | 2.6 abc | 2.9 cde | 3.6 cde | 6.6 hij | 5.1 cdefg | ||
A5 | 2.6 abc | 2.9 cde | 3.1 ghi | 6.8 fghi | 5.4 abcd | ||
缓释肥 SRF | A1 | 3.0 a | 3.5 b | 4.1 b | 6.4 ij | 4.7 gh | |
A2 | 2.5 bcd | 2.7 de | 3.5 cdefgh | 7.5 abc | 5.5 ab | ||
A3 | 2.4 bcd | 2.7 de | 3.1 ghi | 7.0 defgh | 4.7 fgh | ||
A4 | 2.5 bcd | 2.8 cde | 3.6 cdef | 7.2 cdefg | 5.1 bcdef | ||
A5 | 2.5 bcd | 2.7 de | 3.2 defghi | 7.5 bcd | 5.4 abcd |
Table 3 Effects of different nitrogen fertilizer treatments on leaf area index
品种 Variety | 基肥种类 Type of base fertilizer | 追肥处理 Topdressing treatment | 越冬期Wintering period | 返青期Regreening period | 拔节期Jointing period | 孕穗期Booting period | 开花期Anthesis period |
---|---|---|---|---|---|---|---|
徐麦2023 Xumai 2023 | 尿素Urea | A1 | 2.8 ab | 3.1 cd | 3.7 c | 6.9 efgh | 3.8 j |
A2 | 2.1 d | 2.6 e | 3.3 cdefghi | 7.6 ab | 5.6 a | ||
A3 | 2.1 d | 2.5 e | 3.1 fghi | 7.2 bcdef | 5.2 bcde | ||
A4 | 2.2 cd | 2.8 cde | 3.5 cdefgh | 7.2 bcdef | 5.4 abcd | ||
A5 | 2.3 bcd | 2.7 cde | 3.0 hi | 7.2 bcdef | 5.5 abc | ||
缓释肥 SRF | A1 | 3.0 a | 3.9 a | 4.6 a | 7.1 cdefg | 4.2 i | |
A2 | 2.6 abc | 3.1 bcd | 3.5 cdefgh | 7.9 a | 5.2 abcde | ||
A3 | 2.7 ab | 3.1 bcd | 3.2 efghi | 7.4 bcd | 5.0 defg | ||
A4 | 2.6 abc | 3.0 cd | 3.7 cd | 7.1 defg | 4.9 efg | ||
A5 | 2.3 bcd | 2.9 cde | 3.1 hi | 7.4 bcd | 5.4 abcd | ||
徐麦38 Xumai38 | 尿素Urea | A1 | 2.7 ab | 3.2 bc | 3.5 cdefg | 6.3 j | 4.3 hi |
A2 | 2.6 abc | 2.9 cde | 3.1 fghi | 7.3 bcde | 5.2 abcde | ||
A3 | 2.6 abc | 2.8 cde | 2.9 i | 6.8 ghi | 4.2 i | ||
A4 | 2.6 abc | 2.9 cde | 3.6 cde | 6.6 hij | 5.1 cdefg | ||
A5 | 2.6 abc | 2.9 cde | 3.1 ghi | 6.8 fghi | 5.4 abcd | ||
缓释肥 SRF | A1 | 3.0 a | 3.5 b | 4.1 b | 6.4 ij | 4.7 gh | |
A2 | 2.5 bcd | 2.7 de | 3.5 cdefgh | 7.5 abc | 5.5 ab | ||
A3 | 2.4 bcd | 2.7 de | 3.1 ghi | 7.0 defgh | 4.7 fgh | ||
A4 | 2.5 bcd | 2.8 cde | 3.6 cdef | 7.2 cdefg | 5.1 bcdef | ||
A5 | 2.5 bcd | 2.7 de | 3.2 defghi | 7.5 bcd | 5.4 abcd |
品种Varieties | 基肥种类 Type of base fertilizer | 追肥处理 Topdressing treatment | 基本苗 Basic seedlings | 越冬期Wintering period | 返青期Regreening period | 拔节期 Jointing period | 成熟期Maturity period |
---|---|---|---|---|---|---|---|
徐麦2023 Xumai 2023 | 尿素Urea | A1 | 234.0 bcd | 1 055.6 b | 1 171.4 def | 1 556.1 abcd | 611.5 ab |
A2 | 250.0 abc | 928.0 efg | 1 152.9 defgh | 1 435.4 ghij | 629.5 ab | ||
A3 | 234.0 bcd | 943.5 def | 1 146.9 defgh | 1 484.8 defg | 618.0 ab | ||
A4 | 223.1 bcd | 900.4 efghi | 1 110.8 fgh | 1 434.9 ghij | 607.7 b | ||
A5 | 249.2 abc | 922.8 efgh | 1150.1 defgh | 1 402.5 hij | 609.0 b | ||
缓释肥SRF | A1 | 239.1 abcd | 918.4 efgh | 1 123.7 efgh | 1 490.2 defg | 624.3 ab | |
A2 | 272.4 a | 866.2 ghi | 1 101.6 gh | 1 386.6 ij | 638.5 ab | ||
A3 | 237.6 abcd | 848.7 i | 1 009.2 i | 1 376.4 j | 602.6 b | ||
A4 | 225.3 bcd | 880.4 fghi | 1 095.4 gh | 1 478.1 efg | 648.7 ab | ||
A5 | 242.0 abcd | 863.2 hi | 1 090.6 h | 1 395.4 hij | 630.8 ab | ||
徐麦38 Xumai 38 | 尿素Urea | A1 | 221.0 bcd | 1 172.0 a | 1 401.1 a | 1 621.3 a | 612.8 ab |
A2 | 231.1 bcd | 1 006.8 bcd | 1 246.8 bc | 1 563.8 abc | 682.0 a | ||
A3 | 215.9 cd | 1 015.2 bc | 1 266.2 b | 1 515.8 cdef | 630.8 ab | ||
A4 | 214.4 cd | 1 006.6 bcd | 1 280.1 b | 1 541.7 bcde | 633.3 ab | ||
A5 | 218.1 bcd | 1 002.5 bcd | 1 253.5 bc | 1 458.7 fghi | 628.2 ab | ||
缓释肥SRF | A1 | 210.8 d | 1 000.0 bcd | 1 271.4 b | 1 593.1 ab | 641.0 ab | |
A2 | 243.4 abcd | 956.9 cde | 1 163.0 defg | 1 463.7 fgh | 664.1 ab | ||
A3 | 248.5 abc | 943.8 def | 1 176.8 def | 1 454.5 fghi | 639.8 ab | ||
A4 | 253.6 ab | 960.2 cde | 1 192.9 cd | 1 513.1 cdef | 644.9 ab | ||
A5 | 239.8 abcd | 949.7 de | 1 183.9 de | 1 426.2 ghij | 653.8 ab |
Table 4 Effects of different nitrogen fertilizer treatments on number of stem and tiller
品种Varieties | 基肥种类 Type of base fertilizer | 追肥处理 Topdressing treatment | 基本苗 Basic seedlings | 越冬期Wintering period | 返青期Regreening period | 拔节期 Jointing period | 成熟期Maturity period |
---|---|---|---|---|---|---|---|
徐麦2023 Xumai 2023 | 尿素Urea | A1 | 234.0 bcd | 1 055.6 b | 1 171.4 def | 1 556.1 abcd | 611.5 ab |
A2 | 250.0 abc | 928.0 efg | 1 152.9 defgh | 1 435.4 ghij | 629.5 ab | ||
A3 | 234.0 bcd | 943.5 def | 1 146.9 defgh | 1 484.8 defg | 618.0 ab | ||
A4 | 223.1 bcd | 900.4 efghi | 1 110.8 fgh | 1 434.9 ghij | 607.7 b | ||
A5 | 249.2 abc | 922.8 efgh | 1150.1 defgh | 1 402.5 hij | 609.0 b | ||
缓释肥SRF | A1 | 239.1 abcd | 918.4 efgh | 1 123.7 efgh | 1 490.2 defg | 624.3 ab | |
A2 | 272.4 a | 866.2 ghi | 1 101.6 gh | 1 386.6 ij | 638.5 ab | ||
A3 | 237.6 abcd | 848.7 i | 1 009.2 i | 1 376.4 j | 602.6 b | ||
A4 | 225.3 bcd | 880.4 fghi | 1 095.4 gh | 1 478.1 efg | 648.7 ab | ||
A5 | 242.0 abcd | 863.2 hi | 1 090.6 h | 1 395.4 hij | 630.8 ab | ||
徐麦38 Xumai 38 | 尿素Urea | A1 | 221.0 bcd | 1 172.0 a | 1 401.1 a | 1 621.3 a | 612.8 ab |
A2 | 231.1 bcd | 1 006.8 bcd | 1 246.8 bc | 1 563.8 abc | 682.0 a | ||
A3 | 215.9 cd | 1 015.2 bc | 1 266.2 b | 1 515.8 cdef | 630.8 ab | ||
A4 | 214.4 cd | 1 006.6 bcd | 1 280.1 b | 1 541.7 bcde | 633.3 ab | ||
A5 | 218.1 bcd | 1 002.5 bcd | 1 253.5 bc | 1 458.7 fghi | 628.2 ab | ||
缓释肥SRF | A1 | 210.8 d | 1 000.0 bcd | 1 271.4 b | 1 593.1 ab | 641.0 ab | |
A2 | 243.4 abcd | 956.9 cde | 1 163.0 defg | 1 463.7 fgh | 664.1 ab | ||
A3 | 248.5 abc | 943.8 def | 1 176.8 def | 1 454.5 fghi | 639.8 ab | ||
A4 | 253.6 ab | 960.2 cde | 1 192.9 cd | 1 513.1 cdef | 644.9 ab | ||
A5 | 239.8 abcd | 949.7 de | 1 183.9 de | 1 426.2 ghij | 653.8 ab |
Fig.1 Effects of different nitrogen treatments on earbearing tiller percentages in two wheat varietiesNote: Different small letters above the bar indicate significant difference among treatments (P<0.05).
品种Varieties | 基肥种类 Type of base fertilizer | 追肥处理 Topdressings treatment | 越冬期Wintering period | 返青期Regreening period | 拔节期Jointing period | 孕穗期Booting period | 开花期Anthesis period | 成熟期Maturity period |
---|---|---|---|---|---|---|---|---|
徐麦2023 Xumai 2023 | 尿素 Urea | A1 | 1 532.5 a | 4 577.7 a | 5 276.9 a | 9 387.9 bc | 11 875.5 bcd | 18 947.0 bcde |
A2 | 1 169.4 def | 3 170.8 d | 3 728.3 ef | 9 249.2 cd | 11 015.4 cd | 18 088.0 e | ||
A3 | 1 213.1 cde | 3 075.9 de | 3 499.5 gh | 8 844.4 ef | 11 553.4 cd | 19 266.1 bcd | ||
A4 | 1 204.4 cde | 3 021.2 de | 3 828.3 de | 9 427.3 abc | 12 246.7 bc | 19 366.5 bc | ||
A5 | 1 169.5 def | 3 155.2 d | 3 487.5 gh | 9 338.4 bc | 11 634.5 cd | 19 645.9 b | ||
缓释肥 SRF | A1 | 1 328.6 bc | 3 478.6 c | 4 198.8 bc | 9 608.9 ab | 11 239.6 cd | 18 049.4 e | |
A2 | 1 047.6 fg | 2 158.9 j | 3 074.1 i | 9 326.4 bc | 10 673.4 d | 18 255.4 de | ||
A3 | 1 031.9 g | 2 256.7 ij | 2 925.9 ij | 9 040.1 de | 11 465.7 cd | 18 575.1 cde | ||
A4 | 1 097.7 efg | 2 407.6 ghi | 3 486.4 gh | 9 692.4 a | 11 668.0 cd | 18 937.8 bcde | ||
A5 | 1 092.9 efg | 2 316.4 hij | 2 827.4 j | 9 341.1 bc | 11 173.4 cd | 18 736.1 bcde | ||
徐麦38 Xumai 38 | 尿素 Urea | A1 | 1 515.9 a | 4 378.6 b | 5 132.2 a | 8 988.5 de | 13 263.8 ab | 21 126.6 a |
A2 | 1 325.6 bc | 2 810.5 f | 3 976.4 d | 8 622.1 fgh | 11 158.5 cd | 18 835.6 bcde | ||
A3 | 1 279.0 bcd | 2 930.2 ef | 3 517.0 fgh | 8 380.2 h | 10 681.5 cd | 18 941.3 bcde | ||
A4 | 1 318.2 bc | 2 804.4 f | 4 234.9 b | 8 420.2 gh | 12 066.9 bcd | 19 266.1 bcd | ||
A5 | 1 315.2 bc | 2 812.5 f | 3 640.7 efg | 8 771.4 ef | 11 043.8 cd | 18 752.5 bcde | ||
缓释肥 SRF | A1 | 1 374.8 b | 3 631.9 c | 4 013.7 cd | 8 901.1 ef | 13 669.9 a | 20 899.1 a | |
A2 | 1 266.1 bcd | 2 522.6 gh | 3 604.7 fg | 8 637.6 fgh | 10 706.5 cd | 18 703.9 bcde | ||
A3 | 1 244.3 cd | 2 489.6 gh | 3 325.9 h | 8 691.7 fg | 11 153.7 cd | 19 206 .0bcd | ||
A4 | 1 286.1 bcd | 2 532.8 g | 3 956.7 d | 8 643.5 fgh | 12 023.1 bcd | 19 577.3 bc | ||
A5 | 1 284.7 bcd | 2 597.2 g | 3 514.0 fgh | 9 251.2 cd | 11 252.6 cd | 18 892.7 bcde |
Table 5 Effects of different nitrogen treatments on dry matter accumulation
品种Varieties | 基肥种类 Type of base fertilizer | 追肥处理 Topdressings treatment | 越冬期Wintering period | 返青期Regreening period | 拔节期Jointing period | 孕穗期Booting period | 开花期Anthesis period | 成熟期Maturity period |
---|---|---|---|---|---|---|---|---|
徐麦2023 Xumai 2023 | 尿素 Urea | A1 | 1 532.5 a | 4 577.7 a | 5 276.9 a | 9 387.9 bc | 11 875.5 bcd | 18 947.0 bcde |
A2 | 1 169.4 def | 3 170.8 d | 3 728.3 ef | 9 249.2 cd | 11 015.4 cd | 18 088.0 e | ||
A3 | 1 213.1 cde | 3 075.9 de | 3 499.5 gh | 8 844.4 ef | 11 553.4 cd | 19 266.1 bcd | ||
A4 | 1 204.4 cde | 3 021.2 de | 3 828.3 de | 9 427.3 abc | 12 246.7 bc | 19 366.5 bc | ||
A5 | 1 169.5 def | 3 155.2 d | 3 487.5 gh | 9 338.4 bc | 11 634.5 cd | 19 645.9 b | ||
缓释肥 SRF | A1 | 1 328.6 bc | 3 478.6 c | 4 198.8 bc | 9 608.9 ab | 11 239.6 cd | 18 049.4 e | |
A2 | 1 047.6 fg | 2 158.9 j | 3 074.1 i | 9 326.4 bc | 10 673.4 d | 18 255.4 de | ||
A3 | 1 031.9 g | 2 256.7 ij | 2 925.9 ij | 9 040.1 de | 11 465.7 cd | 18 575.1 cde | ||
A4 | 1 097.7 efg | 2 407.6 ghi | 3 486.4 gh | 9 692.4 a | 11 668.0 cd | 18 937.8 bcde | ||
A5 | 1 092.9 efg | 2 316.4 hij | 2 827.4 j | 9 341.1 bc | 11 173.4 cd | 18 736.1 bcde | ||
徐麦38 Xumai 38 | 尿素 Urea | A1 | 1 515.9 a | 4 378.6 b | 5 132.2 a | 8 988.5 de | 13 263.8 ab | 21 126.6 a |
A2 | 1 325.6 bc | 2 810.5 f | 3 976.4 d | 8 622.1 fgh | 11 158.5 cd | 18 835.6 bcde | ||
A3 | 1 279.0 bcd | 2 930.2 ef | 3 517.0 fgh | 8 380.2 h | 10 681.5 cd | 18 941.3 bcde | ||
A4 | 1 318.2 bc | 2 804.4 f | 4 234.9 b | 8 420.2 gh | 12 066.9 bcd | 19 266.1 bcd | ||
A5 | 1 315.2 bc | 2 812.5 f | 3 640.7 efg | 8 771.4 ef | 11 043.8 cd | 18 752.5 bcde | ||
缓释肥 SRF | A1 | 1 374.8 b | 3 631.9 c | 4 013.7 cd | 8 901.1 ef | 13 669.9 a | 20 899.1 a | |
A2 | 1 266.1 bcd | 2 522.6 gh | 3 604.7 fg | 8 637.6 fgh | 10 706.5 cd | 18 703.9 bcde | ||
A3 | 1 244.3 cd | 2 489.6 gh | 3 325.9 h | 8 691.7 fg | 11 153.7 cd | 19 206 .0bcd | ||
A4 | 1 286.1 bcd | 2 532.8 g | 3 956.7 d | 8 643.5 fgh | 12 023.1 bcd | 19 577.3 bc | ||
A5 | 1 284.7 bcd | 2 597.2 g | 3 514.0 fgh | 9 251.2 cd | 11 252.6 cd | 18 892.7 bcde |
Fig.2 Effects of different nitrogen treatments o on harvest index in two wheat varietiesNote: Different small letters above bar indicate significant difference among treatments (P<0.05).
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