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2 试验设计与试验区作物种植

Table 2 Experimental design and crop planting in the test area

试验小区 Experimental plot	草甸栗钙土田Meadow chestnut soil field				砂质栗钙土田Sandy chestnut soil field
试验小区 Experimental plot	2015	2016	2017	2018	2015	2016	2017	2018
1	B	P	B	P	B	P	B	P
2	O	P	O	P	O	P	O	P
3	FM	P	FM	P	M	P	M	P
4	FB	P	FB	P	F	P	F	P
5	P	P	P	P	P	P	P	P
6	B	FB	B	FB	B	F	B	F
7	O	FB	O	FB	O	F	O	F
8	FM	FB	FM	FB	M	F	M	F
9	FB	FB	FB	FB	F	F	F	F
10	P	FB	P	FB	P	F	P	F
11	B	FM	B	FM	B	M	B	M
12	O	FM	O	FM	O	M	O	M
13	FM	FM	FM	FM	M	M	M	M
14	FB	FM	FB	FM	F	M	F	M
15	P	FM	P	FM	P	M	P	M
16	B	O	B	O	B	O	B	O
17	O	O	O	O	O	O	O	O
18	FM	O	FM	O	M	O	M	O
19	FB	O	FB	O	F	O	F	O
20	P	O	P	O	P	O	P	O
21	B	B	B	B	B	B	B	B
22	O	B	O	B	O	B	O	B
23	FM	B	FM	B	M	B	M	B
24	FB	B	FB	B	F	B	F	B
25	P	B	P	B	P	B	P	B