中国农业科学 ›› 2018, Vol. 51 ›› Issue (20): 3909-3919.doi: 10.3864/j.issn.0578-1752.2018.20.009
杨岩1,2, 谭德水1, 江丽华1,3(), 郭建华4, 孙克刚5, 徐钰1, 石璟1, 王梅1, 刘兆辉6(
)
收稿日期:
2018-01-18
接受日期:
2018-06-25
出版日期:
2018-10-16
发布日期:
2018-10-16
作者简介:
联系方式:杨岩,Tel:0531-66659631;E-mail:
基金资助:
Yan YANG1,2, DeShui TAN1, LiHua JIANG1,3(), JianHua GUO4, KeGang SUN5, Yu XU1, Jing SHI1, Mei WANG1, ZhaoHui LIU6(
)
Received:
2018-01-18
Accepted:
2018-06-25
Online:
2018-10-16
Published:
2018-10-16
摘要:
【目的】研究一次性施肥技术对黄淮海夏玉米产量、肥料利用效率和经济效益的影响,为黄淮海夏玉米区实现减肥增效、节本增收及轻简化生产技术的筛选提供理论依据。【方法】2015年和2016年在河北、河南、山东三省选择8个试验地点进行控释氮肥随夏玉米播种一次性施用大田试验。与普通氮肥分次施用(习惯施肥(FP)和优化施肥(OPT))对比,通过设置控释氮肥等量投入(CRFA)、减量20%控释氮肥投入(CRFA80%N、CRFB80%N和CRFC80%N),研究一次性施肥技术对黄淮海夏玉米经济效益的影响,并验证一次性施肥技术的减量施氮可行性。【结果】(1)与农民习惯施肥(FP)相比,一次性施肥处理对黄淮海区夏玉米株高、穗部性状和两年的平均产量均无显著影响,氮肥农学效率和表观利用率虽有所提高,但未达显著性差异;但一次性减氮施肥处理较FP处理,氮肥偏生产力显著提高了33.85%以上(P<0.05)。此外,CRFA、CRFA80%N、CRFB80%N和CRFC80%N处理相比农民习惯施肥(FP),每季平均节氮量分别为8.15、50.65、50.65、50.65 kg N·hm-2,增加纯收入927.40元/hm2以上。(2)除CRFA处理外,其余一次性施肥处理的硝态氮量均显著低于习惯施肥处理(FP);一次性减氮施肥处理(CRFA80%N、CRFB80%N、CRFC80%N)0—90 cm土层NO3--N含量显著低于优化施肥处理(OPT)(P<0.05)。【结论】一次性施肥技术实现了黄淮海夏玉米的轻简化施肥,提高了氮肥的利用效率,能够在保证稳产增产的前提下,实现氮肥的减量施用;推荐减少20%氮用量的CRFA施肥模式在黄淮海夏玉米生产上一次性施用。
杨岩, 谭德水, 江丽华, 郭建华, 孙克刚, 徐钰, 石璟, 王梅, 刘兆辉. 黄淮海夏玉米一次性施肥技术效应研究[J]. 中国农业科学, 2018, 51(20): 3909-3919.
Yan YANG, DeShui TAN, LiHua JIANG, JianHua GUO, KeGang SUN, Yu XU, Jing SHI, Mei WANG, ZhaoHui LIU. The Effects of One-off Fertilization of Summer Maize in Huang-Huai-Hai Region[J]. Scientia Agricultura Sinica, 2018, 51(20): 3909-3919.
表1
各试验点土壤类型及养分指标"
试验地点 Experimental location | 土壤类型 Soil type | pH | 有机质 O.M (g·kg-1) | 全氮 Total N (g·kg-1) | 有效磷 Available P (mg·kg-1) | 速效钾 Available K (mg·kg-1) |
---|---|---|---|---|---|---|
河北农科院大河试验站 Dahe experimental station, Hebei academy of agricultural science | 褐土 Cinnamon soil | 8.2 | 17.41 | 1.14 | 44.88 | 132.60 |
河南驻马店西平县盆尧镇于营村 Yuying village, Penyao town, Xiping county, Zhumadian, Henan | 砂姜黑土 Shajiang black soil | 6.1 | 9.30 | 0.10 | 10.60 | 54.30 |
河南驻马店农科院农场 Nongkeyuan farm, Zhumadian, Henan | 砂姜黑土 Shajiang black soil | 6.4 | 9.40 | 0.11 | 11.20 | 63.40 |
山东桓台县生态与可持续发展实验站 Experimental station for ecology and sustainable development of Huantai, Shandong | 褐土 Cinnamon soil | 8.48 | 18.80 | 0.41 | 8.40 | 86.20 |
山东临沂市农科院试验站 Experimental station of Linyi academy of agricultural sciences, Shandong | 潮土 Fluvo-aquic soil | 6.4 | 11.90 | 1.28 | 18.30 | 135.00 |
山东章丘龙山试验站 Longshan experimental station of Zhangqiu, Shandong | 棕壤 Brown soil | 7.8 | 10.60 | 1.10 | 7.90 | 41.30 |
山东德州六一农场 Liuyi farm, Dezhou, Shandong | 潮土 Fluvo-aquic soil | 7.9 | 12.80 | 0.45 | 30.52 | 99.72 |
山东德州市农科院科技园 Science and technology park, Dezhou academy of agricultural sciences, Shandong | 潮土 Fluvo-aquic soil | 7.8 | 7.20 | 1.42 | 25.86 | 77.24 |
表2
各试验点施肥情况"
试验地点 Experimental location | 试验处理 Experimental treatment | N (kg·hm-2) | 氮肥基追比 The ration of basic N to topdressing N | P2O5 (kg·hm-2) | K2O (kg·hm-2) |
---|---|---|---|---|---|
河北农科院大河试验站 Dahe experimental station, Hebei academy of agricultural science | N0PK | 0 | - | 90 | 120 |
FP | 150 | 1﹕0 | 90 | 120 | |
OPT | 150 | 1﹕1 | 90 | 120 | |
CRFA | 150 | 1﹕0 | 90 | 120 | |
CRFA80%N | 120 | 1﹕0 | 90 | 120 | |
CRFB80%N | 120 | 1﹕0 | 90 | 120 | |
CRFC80%N | 120 | 1﹕0 | 90 | 120 | |
河南驻马店西平县盆尧镇于营村 Yuying village, Pengyao town, Xiping county, Zhumadian, Henan | N0PK | 0 | - | 90 | 120 |
FP | 225 | 2﹕3 | 90 | 120 | |
OPT | 180 | 2﹕3 | 90 | 120 | |
CRFA | 180 | 1﹕0 | 90 | 120 | |
CRFA80%N | 144 | 1﹕0 | 90 | 120 | |
CRFB80%N | 144 | 1﹕0 | 90 | 120 | |
CRFC80%N | 144 | 1﹕0 | 90 | 120 | |
河南驻马店农科院农场 Nongkeyuan farm, Zhumadian, Henan | N0PK | 0 | - | 90 | 120 |
FP | 225 | 2﹕3 | 90 | 120 | |
OPT | 180 | 2﹕3 | 90 | 120 | |
CRFA | 180 | 1﹕0 | 90 | 120 | |
CRFA80%N | 144 | 1﹕0 | 90 | 120 | |
CRFB80%N | 144 | 1﹕0 | 90 | 120 | |
CRFC80%N | 144 | 1﹕0 | 90 | 120 | |
山东桓台县生态与可持续发展实验站 Experimental station for ecology and sustainable development of Huantai, Shandong | N0PK | 0 | - | 120 | 90 |
FP | 240 | 2﹕3 | 120 | 90 | |
OPT | - | - | - | - | |
CRFA | 240 | 1﹕0 | 120 | 90 | |
CRFA80%N | 192 | 1﹕0 | 120 | 90 | |
CRFB80%N | 192 | 1﹕0 | 120 | 90 | |
CRFC80%N | - | - | - | - | |
山东临沂市农科院试验站 Experimental station of Linyi academy of agricultural sciences, Shandong | N0PK | 0 | 78.75 | 132.75 | |
FP | 262.5 | 1﹕2 | 90 | 90 | |
OPT | 230.5 | 1﹕2 | 78.75 | 132.75 | |
CRFA | 230.5 | 1﹕0 | 78.75 | 132.75 | |
CRFA80%N | 184.5 | 1﹕0 | 78.75 | 132.75 | |
CRFB80%N | 184.5 | 1﹕0 | 78.75 | 132.75 | |
CRFC80%N | - | - | - | - | |
山东章丘龙山试验站 Longshan experimental station of Zhangqiu, Shandong | N0PK | 0 | - | 90 | 120 |
FP | 196 | 2﹕3 | 96 | 96 | |
OPT | 240 | 2﹕3 | 90 | 120 | |
CRFA | 240 | 1﹕0 | 90 | 120 | |
CRFA80%N | 192 | 1﹕0 | 90 | 120 | |
CRFB80%N | 192 | 1﹕0 | 90 | 120 | |
CRFC80%N | 192 | 1﹕0 | 90 | 120 | |
续 | |||||
试验地点 Experimental location | 试验处理 Experimental treatment | N (kg·hm-2) | 氮肥基追比 The ration of basic N to topdressing N | P2O5 (kg·hm-2) | K2O (kg·hm-2) |
山东德州六一农场 Liuyi farm, Dezhou, Shandong | N0PK | 0 | - | 90 | 120 |
FP | 197.2 | 1﹕1 | 60 | 60 | |
OPT | 240 | 2﹕3 | 90 | 120 | |
CRFA | 240 | 1﹕0 | 90 | 120 | |
CRFA80%N | 192 | 1﹕0 | 90 | 120 | |
CRFB80%N | 192 | 1﹕0 | 90 | 120 | |
CRFC80%N | 192 | 1﹕0 | 90 | 120 | |
山东德州市农科院科技园 Science and technology park, Dezhou academy of agricultural sciences, Shandong | N0PK | 0 | 105 | 135 | |
FP | 270 | 2﹕3 | 45 | 45 | |
OPT | 240 | 1﹕2 | 105 | 135 | |
CRFA | 240 | 1﹕0 | 105 | 135 | |
CRFA80%N | 192 | 1﹕0 | 105 | 135 | |
CRFB80%N | 192 | 1﹕0 | 105 | 135 | |
CRFC80%N | 192 | 1﹕0 | 105 | 135 |
表3
不同处理对夏玉米株高及穗部性状的影响"
处理 Treatments | 株高Plant height (cm) | 穗长Ear length (cm) | 秃尖长Bare tip length (cm) | 穗粗Ear width (cm) | ||||
---|---|---|---|---|---|---|---|---|
2015 | 2016 | 2015 | 2016 | 2015 | 2016 | 2015 | 2016 | |
N0PK | 188.39b | 187.74b | 13.80b | 13.59b | 0.81a | 1.14a | 4.07b | 4.10b |
FP | 234.45a | 234.38a | 17.38a | 16.56a | 0.57a | 1.03a | 4.66a | 4.79a |
OPT | 229.96a | 232.84a | 17.45a | 16.84a | 0.50a | 0.93a | 4.66a | 4.79a |
CRFA | 232.10a | 232.1a | 16.81a | 16.49a | 0.64a | 0.90a | 4.65a | 4.80a |
CRFA80%N | 228.62a | 228.74a | 17.11a | 16.55a | 0.50a | 1.00a | 4.60a | 4.71a |
CRFB80%N | 231.89a | 230.22a | 17.11a | 16.49a | 0.77a | 0.89a | 4.61a | 4.74a |
CRFC80%N | 221.31a | 218.31a | 17.17a | 16.60a | 0.97a | 1.25a | 4.42ab | 4.56ab |
表4
不同处理对试验期内夏玉米产量及其构成因素的影响"
处理 Treatments | 穗粒数 Grains per ear (No.) | 百粒重 100 grain weight (g) | 平均产量 Average grain yield (t·hm-2) | 变异系数 CV | 增产率 Increased rate (%) | |||||
---|---|---|---|---|---|---|---|---|---|---|
2015 | 2016 | 2015 | 2016 | 2015 | 2016 | 2015 | 2016 | 2015 | 2016 | |
N0PK | 432.03a | 397.22a | 28.89a | 31.42b | 6.51b | 6.09b | 0.29 | 0.27 | - | - |
FP | 506.70a | 438.89a | 30.43a | 34.31a | 8.51a | 8.36a | 0.17 | 0.21 | - | - |
OPT | 496.65a | 455.95a | 29.52a | 34.47a | 9.00a | 9.18a | 0.20 | 0.25 | 5.79 | 9.85 |
CRFA | 505.06a | 440.71a | 30.63a | 33.69ab | 9.18a | 9.00a | 0.19 | 0.21 | 7.83 | 7.99 |
CRFA80%N | 502.31a | 446.63a | 30.20a | 32.84ab | 8.79a | 8.86a | 0.22 | 0.24 | 3.28 | 6.01 |
CRFB80%N | 483.81a | 435.41a | 30.49a | 33.16ab | 8.74a | 8.55a | 0.25 | 0.24 | 2.75 | 2.28 |
CRFC80%N | 465.81a | 441.11a | 28.93a | 32.93ab | 8.14ab | 8.78a | 0.21 | 0.26 | -4.36 | 5.07 |
表5
不同处理对不同土壤类型夏玉米产量的影响"
处理Treatments | 棕壤Brown soil | 褐土Cinnamon soil | 潮土Fluvo-aquic soil | 砂姜黑土Shajiang black soil |
---|---|---|---|---|
N0PK | 5.91d | 5.13d | 6.45c | 8.95a |
FP | 7.69b | 7.11b | 9.35b | 9.82a |
OPT | 6.85c | 7.52a | 10.44a | 10.44a |
CRFA | 8.67a | 7.62a | 10.10ab | 9.93a |
CRFA80%N | 8.44a | 7.00bc | 10.09ab | 9.45a |
CRFB80%N | 8.40a | 6.67c | 9.82ab | 9.58a |
CRFC80%N | 6.77c | 6.92bc | 10.44a | 9.29a |
表6
不同处理夏玉米氮肥利用效率"
处理 Treatments | 氮肥农学效率NAE (kg·kg-1) | 氮肥表观利用率NER (%) | 氮肥偏生产力PFPN (kg·kg-1) | 需求量ANA (kg·t-1) | ||||
---|---|---|---|---|---|---|---|---|
2015 | 2016 | 2015 | 2016 | 2015 | 2016 | 2015 | 2016 | |
N0PK | - | - | - | - | - | - | 17.33b | 16.81a |
FP | 10.66a | 9.99a | 37.36a | 34.91a | 39.20c | 36.89d | 24.05a | 20.84a |
OPT | 14.10a | 15.56a | 41.59a | 39.55a | 43.31bc | 44.14bcd | 22.34a | 19.15a |
CRFA | 13.01a | 14.31a | 41.24a | 42.73a | 43.42bc | 42.58cd | 22.48a | 19.89a |
CRFA80%N | 16.11a | 16.65a | 39.75a | 37.91a | 51.80a | 51.99ab | 21.88a | 18.23a |
CRFB80%N | 15.81a | 14.99a | 42.18a | 37.08a | 51.46a | 50.33abc | 22.90a | 18.98a |
CRFC80%N | 15.34a | 16.63a | 40.72a | 38.95a | 50.00ab | 53.66a | 24.04a | 18.55a |
表7
不同处理经济效益分析"
处理 Treatments | 两年平均产量 Average yield (kg·hm-2) | 产值 Output value (yuan/hm2) | 人工费[ Labour cost (yuan/hm2) | 氮肥成本 N cost (yuan/hm2) | 收益 Profit (yuan/hm2) | 增收 Net income (yuan/hm2) |
---|---|---|---|---|---|---|
N0PK | 6235.94 | 9977.50 | 0 | - | 9977.50 | - |
FP | 8329.90 | 13327.85 | 900 | 862.99 | 11564.86 | - |
OPT | 9026.16 | 14441.86 | 900 | 815.79 | 12726.07 | 1161.21 |
CRFA | 9028.08 | 14444.92 | 0 | 1107.45 | 13337.47 | 1772.61 |
CRFA80%N | 8749.53 | 13999.26 | 0 | 886.03 | 13113.23 | 1548.37 |
CRFB80%N | 8591.03 | 13745.65 | 0 | 1033.98 | 12711.67 | 1146.81 |
CRFC80%N | 8362.19 | 13379.50 | 0 | 887.24 | 12492.26 | 927.40 |
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