华北寒旱区栗钙土农田茬口对作物水分、养分利用的影响与作物轮作效果
【文章页数】:102 页
【学位级别】:硕士
【部分图文】:
图1不同茬口马铃薯、甜菜的病情指数??Fig.?1?Disease?index?of?potato?and?beet?in?different?stubble??14??
.053E+08?24.682?0.000??Crop??作物x茬口??2.885E+07?16?I.803E+06?0.422?0.972??Crop?x?Stubble??作物X年型??2.168E+08?12?1.807E+07?14.436?0.000??Crop?x?Y....
图2-1?2016年不同茬口马铃薯田()-8(k'm?土壤贮水盪动态变化??I?ig.2-1?Dynamic?of?soil?water?storage?of()-80cm?in?potato?field?with?dilTcrcnt?stubble?in?2016??17??
素(3.18%)?>作物与茬口互作因素(1.78%)?>茬口因素(0.84%)。??从总体分析,作物因素、年型因素、作物X年型因素对作物产量的影响达极显著水平,而茬口因??素不显著。进一步对不同茬口对单一作物经济产量的差异影响进行分析,表明莜麦茬、亚麻茬马??铃薯的平均产量显著高....
图4-2?2017年不同茬口饲用谷子田和裸地()-80cm?土壤贮水量动态??I'ig.4-2?Dynamic?of?soil?water?storage?of()-80cm?in?millet?Held?with?dilTcrent?stubble?and?nudation?in?2017??25??
茬一?—亚麻茬^一饲用谷子茬(CK)?一莜麦茬一?_甜菜茬一!裸地??160-1?「40??^?20-?|?-5?^??〇?I?1?I??I???1??I_?1????〇??u?I?I?I?I?I?I?I?I?1?I?u??2016/5/15?2016/5/30?2016/6/1....
图4-3?2UI8年不同茬口饲用谷子田和裸地0-80cm?土壤贮水量动态??Fig.4-3?Dynamic?of?soil?water?storage?of?0-80cm?in?millet?field??
?河北农业大学硕士学位(毕业)论文???分析2018年不同茬口饲用谷子田和裸地0-80cm?土壤贮水量动态变化如图4-3。连作饲用谷??子田播种期0-80cm?土壤贮水量为103.52mm,裸地、马铃薯茬、亚麻茬、莜麦茬、甜菜茬词用谷??子田土壤贮水量分别为丨13.48、96.7....
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