华北寒旱区作物轮作的生产效应

华北寒旱区作物轮作的生产效应

姚兆磊, 张继宗, 杜玉琼, 刘玉华, 张立峰

Productivity evaluation of crop rotation in cold and arid region of Northern China

Zhao-Lei YAO, Ji-Zong ZHANG, Yu-Qiong DU, Yu-Hua LIU, Li-Feng ZHANG

表3 各茬口作物的经济产量

Table 3 Economic yield of crops at different croppings (kg hm^-2)

作物 Crop	年份 Year	茬口Cropping
作物 Crop	年份 Year	马铃薯茬 Potato cropping	蚕豆茬 Faba bean cropping	饲用玉米茬 Forage maize cropping	莜麦茬 Oat cropping	甜菜茬 Beet cropping
马铃薯 Potato	2016	2163.07	4254.37	4238.45	5833.94	4308.85
马铃薯 Potato	2017	2801.63	3776.77	4504.18	4358.62	3416.63
	2018	3592.31	5504.73	6470.60	6405.94	5898.10
	2019	4711.07	5725.97	5339.61	5714.08	3615.10
	平均Average	3317.02 a	4815.46 ab	5138.21 b	5578.15 b	4309.67 ab
蚕豆 Faba bean	2016	1684.84	1775.89	3289.14	1838.42	1758.38
蚕豆 Faba bean	2017	2207.77	1540.77	1739.20	1570.79	1288.98
	2018	1333.05	1435.22	1750.29	1533.71	966.93
	2019	2771.22	1978.16	1858.91	1915.53	2003.43
	平均Average	1999.22 a	1682.51a	2159.39a	1714.61a	1504.43a
饲用玉米 Forage maize	2016	13,861.37	14,350.51	12,467.90	11,515.76	8099.60
	2017	17,271.16	16,558.21	16,776.81	13,681.24	12,204.87
	2018	19,993.85	16,922.10	16,420.76	17,487.80	16,897.30
	2019	17,130.04	18,201.34	14,700.37	12,189.03	13,858.04
	平均Average	17,064.11 b	16,508.04 ab	15,091.46 ab	13,718.46 ab	12,764.95 a
莜麦 Oat	2016	3151.58	2601.30	2101.05	1950.98	2451.23
莜麦 Oat	2017	2486.32	2090.49	2646.33	1525.14	1597.04
	2018	2207.76	2059.03	1854.65	1148.67	1316.63
	2019	2206.59	2173.76	2298.03	2162.77	3353.97
	平均Average	2513.06 a	2231.15 a	2225.02 a	1696.89 a	2179.72 a
甜菜 Beet	2016	12173.89	10865.77	9355.20	9456.63	8393.31
甜菜 Beet	2017	11,378.05	9843.94	11,423.90	9293.52	7019.03
	2018	9471.98	9519.76	9543.03	8795.43	6151.40
	2019	11,485.23	10,670.61	9484.93	10,160.39	8583.51
	平均Average	11,127.29 c	10,225.02 bc	9951.77 bc	9426.49 b	7536.81 a