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1 各轮作试验采用作物及其施肥量、播种和收获期

Table 1 Crops, fertilizing amount, sowing and harvesting time in the experiments

土壤类型 Soil type 作物 Crops 施肥量 Fertilizing amount (kg·hm-2) 播种和收获期Sowing and harvesting date (M-D) 2016 2017 2018 N P 播种 Sowing 收获 Harvesting 播种 Sowing 收获 Harvesting 播种 Sowing 收获 Harvesting 草甸栗钙土 Meadow chestnut soil 马铃薯Potato 213.74 55.94 05-02 08-25 04-25 09-16 04-28 09-12 蚕豆Faba bean 208.12 46.91 05-04 08-24 05-19 08-26 05-15 09-09 玉米Forage maize 321.97 46.91 05-22 08-26 05-19 09-11 05-15 09-15 莜麦Oat 242.91 25.67 05-21 09-03 05-25 09-08 05-23 09-01 甜菜Beet 267.88 70.16 05-25 10-01 05-27 10-01 05-29 10-03 砂质栗钙土 Sandy chestnut soil 马铃薯Potato 161.05 42.19 05-01 08-27 04-25 09-15 04-26 09-11 亚麻Flax 64.31 18.95 05-22 08-28 05-20 09-01 05-23 08-28 谷子Forage millet 257.35 37.44 05-29 09-22 05-10 09-12 05-18 09-14 莜麦Oat 244.54 40.24 05-21 09-07 05-25 09-07 05-23 08-31 甜菜Beet 213.80 55.98 05-24 09-30 05-27 10-02 04-26 09-11