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3 2016-2018年草甸栗钙土农田不同前茬的各作物平均经济产量
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Table 3 Average economic yield of different crop rotations of meadow chestnut soil field in 2016-2018 (kg·hm-2)
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后茬作物
Succeeding crop | 前茬作物Previous crop | | 马铃薯Potato | 蚕豆Faba bean | 玉米Forage maize | 莜麦Oat | 甜菜Beet | | 马铃薯Potato | 2852.34±739.97aA | 4511.95±992.87bAB | 5071.08±1399.53bB | 5532.83±1174.21bB | 4541.19±1356.91bAB | | 蚕豆Faba bean | 1741.89±465.88abA | 1583.96±191.93abA | 2259.55±1029.6bA | 1647.64±190.78abA | 1338.10±420.28aA | | 玉米Forage maize | 17042.13±3180.76aA | 15943.61±1593.10aA | 15221.82±2753.93aA | 14228.26±3259.53aA | 12400.59±4496.71aA | | 莜麦Oat | 2615.22±536.36bB | 2250.27±351.03abAB | 2200.68±445.65abAB | 1541.59±409.38aA | 1788.30±662.93aAB | | 甜菜Beet | 11007.97±1535.99cB | 10076.49±789.28cB | 10107.38±1316.53cB | 9181.86±386.43bB | 7187.91±1205.40aA |
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