[1]高 盼,徐莹莹,杨慧莹,等.玉米秸秆不同还田方式对黑钙土物理性质和产量的影响[J].黑龙江农业科学,2017,(04):31-34.[doi:10.11942/j.issn10022767.2017.04.0031]
　GAO Pan,XU Yingying,YANG Huiying,et al.Effect of Different Maize Strawreturning Modes on the Physical Properties of Chernozern Black Soil and Yield of Maize[J].HEILONGJIANG AGRICULTURAL SCIENCES,2017,(04):31-34.[doi:10.11942/j.issn10022767.2017.04.0031]
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玉米秸秆不同还田方式对黑钙土物理性质和产量的影响

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2017年04期 页码: 31-34 栏目: 出版日期: 2017-04-10
Title:
Effect of Different Maize Strawreturning Modes on the Physical Properties of Chernozern Black Soil and Yield of Maize
文章编号:
10022767（2017）04003103
作者:
高 盼; 徐莹莹; 杨慧莹; 刘玉涛; 王宇先; 王俊河
黑龙江省农业科学院 齐齐哈尔分院/国家玉米体系齐齐哈尔综合试验站，黑龙江 齐齐哈尔 161006
Author(s):
GAO Pan; XU Yingying; YANG Huiying; LIU Yutao; WANG Yuxian; WANG Junhe
Qiqihar Branch of Heilongjiang Academy of Agricultural Sciences/Qiqihar Comprehensive Experiment Station of The National Maize Industry Technology Research and Development Center,Qiqihar,Heilongjiang 161006
关键词:
秸秆还田; 土壤容重; 土壤含水量; 产量
Keywords:
maize strawreturning; buck density; soil water content; yield
分类号:
S513.06
DOI:
10.11942/j.issn10022767.2017.04.0031
文献标志码:
A
摘要:
为提高东北玉米集约化生产区秸秆资源利用和培肥土壤，采用大区对比试验，设置常规栽培(对照)、秸秆覆盖还田、秸秆粉碎旋耕还田和秸秆翻埋还田，采用常规方法探索半干旱地区玉米秸秆对土壤物理性质及产量的影响。结果表明：常规栽培方式（对照）土壤容重最大，为1.38 g?cm3，其次为覆盖还田、翻埋还田和旋耕还田，与对照相比分别降低了3.00%、8.06%和7.46%。0～20 cm土层，吐丝期翻埋还田处理土壤含水量分别比常规栽培、覆盖还田、旋耕还田高12.20%、7.35%和16.30%；成熟期翻埋还田土壤含水量分别比常规栽培、覆盖还田和旋耕还田高18.52%、17.64%和22.63%。20～40 cm土层，吐丝期翻埋还田土壤含水量分别比常规栽培、覆盖还田和旋耕还田高14.90%、13.73%和15.82%；成熟期翻埋还田土壤含水量分别比常规栽培、覆盖还田和旋耕还田高14.98%、14.66%和17.82%。覆盖还田处理的行粒数最大，其它还田方式略低。不同方式秸秆还田各处理间玉米产量存在一定差异，其年平均产量最高为秸秆翻埋还田，较对照提高9.6%。
Abstract:
In order to improve the straw resource utilization and soil fertility in the northeast intensive production area of maize,through the regional contrast test,sut up four treatments including regular cultivation(CK),straw mulching returning,straw crushing rotary tillage returning,straw digging returning,the effect of maize straw returning methods on soil physical properties and yield of maize were explored in the semiarid areas.The results showed that soil bulk density of CK was the largest at 1.38 g?cm3,and secondly to straw mulching returning,compared with the control it was reduced by 3%,and soil bulk density of straw digging returning and rotary tillage returning was lower,compared with the control it was reduced by 8.06% and 7.46%,respectively. In the soil layer 0~20 cm silking stage,the water conten of straw digging returning was higher than CK,straw mulching returning and straw crushing rotary tillage returning for 12.20%,7.35% and 16.30%,respectively;in mature,the water conten of straw digging returning was higher than CK,straw mulching returning and straw crushing rotary tillage returning for 12.20%,7.35% and 16.30%,respectivelyfor 18.52%,17.60% and 22.63%.In soil layer 20～40 cm silking stage,the water conten of straw digging returning was higher than CK,straw mulching returning and straw crushing rotary tillage returning for 14.90%,13.73% and 15.82%.In mature,the water conten of straw digging returning was higher than CK,straw mulching returning and straw crushing rotary tillage returning for 14.98%,14.66% and 17.82%.Grains per row of straw digging returning was the largest,the other returning treatment was only slightly lower. The yield of different treatments had certain differences,average annual yield of straw digging returning was the highest,increased by 9.6% than CK.

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备注/Memo

收稿日期：2017.02.15第一作者简介：高盼（1990-），女，黑龙江省双鸭山市人，硕士，研究实习员，从事作物栽培研究。Email:panneygao@126.com。

更新日期/Last Update: 2017-08-06