冀西北寒旱区农田作物轮作产量效应评价
杜玉琼,张立峰,姚兆磊,张继宗,刘玉华

Evaluation of Crop Rotation Yield Effect in Cold and Arid Regions of Northwest Hebei Province
DU YuQiong,ZHANG LiFeng,YAO ZhaoLei,ZHANG JiZong,LIU YuHua
表7 冀西北寒旱区不同类型农田的轮作组合效应
Table 7 Different rotation patterns and effects on different fields in the cold and arid region of northwestern Hebei province
土壤类型
Soil type
轮作类型Rotation patterns
互利轮作(++)
Positive interaction
rotation(++)
偏利轮作(+)
Commensalism rotation
(+)
中性轮作(0)
Neutral interaction rotation(0)
偏害轮作(-)
Amensalism rotation
(-)
互害轮作 (--)
Negative interaction
rotation(--)
草甸栗钙土
Meadow chestnut soil
马铃薯→蚕豆
Potato →faba bean
马铃薯→莜麦
Potato →oat
马铃薯→甜菜
Potato →beet
马铃薯→玉米
Potato →forage maize
蚕豆→玉米
Faba bean →forage maize
蚕豆→莜麦
Faba bean →oat
莜麦→甜菜
Oat →beet
蚕豆茬甜菜
Beet after faba bean
玉米茬莜麦
Oat after forage maize
玉米茬甜菜
Beet after forage maize

Nil
甜菜茬蚕豆
Faba bean after beet
莜麦茬玉米
Forage maize after oat
甜菜茬玉米
Forage maize after beet

Nil
砂质栗钙土
Sandy chestnut soil
马铃薯→莜麦
Potato →oat
马玲薯→亚麻
Potato →flax
马铃薯→谷子
Potato →forage millet
马铃薯→甜菜
Potato →beet
莜麦→亚麻
Oat →flax
甜菜→莜麦
Beet →oat
谷子茬甜菜
Beet after forage millet
亚麻茬谷子
Forage millet after flax
莜麦茬谷子
Forage millet after oat
亚麻茬甜菜
Beet after flax
甜菜茬谷子
Forage millet after beet
谷子茬亚麻
Flax after foragemillet
谷子茬莜麦
Oat after forage millet
甜菜茬亚麻
Flax after beet

Nil