耕作方式与灌水次数对砂姜黑土冬小麦水分利用及 籽粒产量的影响
|
|
王永华,刘焕,辛明华,黄源,王壮壮,王金凤,段剑钊,冯伟,康国章,郭天财
|
Effects of Tillage Practices and Irrigation Times on Water Use Efficiency and Grain Yield of Winter Wheat in Lime Concretion Black Soil
|
|
WANG YongHua,LIU Huan,XIN MingHua,HUANG Yuan,WANG ZhuangZhuang,WANG JinFeng,DUAN JianZhao,FENG Wei,KANG GuoZhang,GUO TianCai
|
|
表1 耕作前后不同土层土壤容重
|
Table 1 Soil bulk density of different soil layers before and after tillage
|
|
年份
Year | 处理
Treatment | 时间
Time | 土壤容重 Soil bulk density (g·cm-3) | | 0—20 cm | 20—40 cm | 40—60 cm | 60—80 cm | 80—100 cm | | 2015-2016 | SS | 耕作前Before tillage | 1.38 | 1.44 | 1.42 | 1.55 | 1.67 | | 收获后 After harvesting | 1.37 | 1.47 | 1.39 | 1.45 | 1.57 | | RT | 耕作前 Before tillage | 1.43 | 1.53 | 1.45 | 1.55 | 1.67 | | 收获后 After harvesting | 1.48 | 1.46 | 1.25 | 1.51 | 1.64 | | 2016-2017 | SS | 耕作前 Before tillage | 1.36 | 1.46 | 1.40 | 1.44 | 1.58 | | 收获后 After harvesting | 1.44 | 1.50 | 1.41 | 1.52 | 1.62 | | RT | 耕作前 Before tillage | 1.50 | 1.48 | 1.35 | 1.51 | 1.63 | | 收获后 After harvesting | 1.49 | 1.52 | 1.43 | 1.57 | 1.65 |
|
|
|