摘要
在等施氮量条件下,设置了不同沼液替代化肥比例,分别为沼液替代化肥氮0%(B_(1),即全部施用化肥)、50%(B_(2))、75%(B_(3))和100%(B_(4),即全部施用沼液),其中化学复合肥料分别选用C_(1)(N:P_(2)O_(5):K_(2)O=20:20:6)和C_(2)(N:P_(2)O_(5):K_(2)O=17:17:17),研究冬小麦形态指标、干物质累积量以及产量等对其的响应。结果显示,不同沼液替代比例下,冬小麦秸秆生物量和地上部总生物量均表现为B_(2)>B_(1)>B_(3)>B_(4),与B_(1)、B_(2)和B_(3)处理相比,B_(4)处理并不利于冬小麦地上部干物质的累积。与C_(1)处理相比,C_(2)处理的收获指数显著增加。主效应分析显示,沼液替代化肥的比例和化学复合肥料的种类对冬小麦相关形态指标建成、产量及其构成因素均无显著影响,在维持现有产量水平的情况下,配施沼液可节省大量氮磷钾化肥,提高经济效益,具有推广应用价值。
A two-factor experiment(the proportion of biogas replacing chemical fertilizer and the types of chemical fertilizer;B_(1) indicated chemical fertilizer only,B_(2) indicated that 50%of the total N in chemical fertilizer was replaced by biogas slurry,B_(3) indicated that 75%of the total N in chemical fertilizer was replaced by biogas slurry,B_(4) indicated that 100%of the total N in chemical fertilizer was replaced by biogas slurry;C1 indicated a chemical compound fertilizer N:P_(2)O_(5):K_(2)O=20:20:6 was applied,C_(2) indicated a chemical compound fertilizer with N:P_(2)O_(5):K_(2)O=17:17:17 was applied)was set in this experiment to study the influence on the morphological indexes,dry material accumulation and yield of winter wheat.The results showed that under different biogas slurry replacement proportion,the biomass of winter wheat straw and the total aboveground biomass were present as B_(2)>B_(1)>B_(3)>B_(4).Compared with the B_(1),B_(2) and B_(3) treatments,B_(4) treatment was not conducive to dry matter accumulation in shoot of winter wheat.The harvest index of winter wheat under C_(2) treatment was significantly higher than that of C_(1) treatment.Main effect analysis showed that the proportion of biogas slurry instead of chemical fertilizer and the types of chemical compound fertilizer had no significant effect on winter wheat morphological indexes,yield and its components.Biogas slurry instead of chemical fertilizer thus could save a lot of N,P,K fertilizers with the yield unchanged,and improved economic returns,thus had a value for application in agricultural production.
作者
潘飞飞
唐蛟
孙壮
陈碧华
王广印
吴大付
王威
Pan Feifei;Tang Jiao;Sun Zhuang;Chen Bihua;Wang Guangyin;Wu Dafu;Wang Wei(School of Horticulture and Landscape Architecture,Henan Institute of Science and Technology,Xinxiang 453003,Henan,China;Henan Province Engineering Research Center of Horticultural Plant Resource Utilization and Germplasm Enhancement,Xinxiang 453003,Henan,China;School of Resources and Environment,Henan Institute of Science and Technology,Xinxiang 453003,Henan,China;Post-Doctorate R&D Base,Henan Agricultural University,Zhengzhou 450000,Henan,China;Postdoctoral Research Base,Henan Institute of Science and Technology,Xinxiang 453003,Henan,China)
出处
《作物杂志》
北大核心
2022年第3期174-180,共7页
Crops
基金
河南省重点研发与推广专项(202102110065)
河南省重大科技专项(创新示范专项)(201111110600)
河南科技学院博士科研启动费(207010618002)。
关键词
沼液
化肥
冬小麦
产量
形态指标
Biogas slurry
Chemical fertilizer
Winter wheat
Yield
Morphological index
