冀西北寒旱区农田作物轮作产量效应评价
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杜玉琼,张立峰,姚兆磊,张继宗,刘玉华
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Evaluation of Crop Rotation Yield Effect in Cold and Arid Regions of Northwest Hebei Province
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DU YuQiong,ZHANG LiFeng,YAO ZhaoLei,ZHANG JiZong,LIU YuHua
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表1 各轮作试验采用作物及其施肥量、播种和收获期
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Table 1 Crops, fertilizing amount, sowing and harvesting time in the experiments
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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 |
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