華北寒旱區(qū)栗鈣土農(nóng)田茬口對作物水分、養(yǎng)分利用的影響與作物輪作效果
【文章頁數(shù)】:102 頁
【學(xué)位級別】:碩士
【部分圖文】:
圖1不同茬口馬鈴薯、甜菜的病情指數(shù)??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....
圖2-1?2016年不同茬口馬鈴薯田()-8(k'm?土壤貯水盪動態(tài)變化??I?ig.2-1?Dynamic?of?soil?water?storage?of()-80cm?in?potato?field?with?dilTcrcnt?stubble?in?2016??17??
素(3.18%)?>作物與茬口互作因素(1.78%)?>茬口因素(0.84%)。??從總體分析,作物因素、年型因素、作物X年型因素對作物產(chǎn)量的影響達(dá)極顯著水平,而茬口因??素不顯著。進(jìn)一步對不同茬口對單一作物經(jīng)濟(jì)產(chǎn)量的差異影響進(jìn)行分析,表明莜麥茬、亞麻茬馬??鈴薯的平均產(chǎn)量顯著高....
圖4-2?2017年不同茬口飼用谷子田和裸地()-80cm?土壤貯水量動態(tài)??I'ig.4-2?Dynamic?of?soil?water?storage?of()-80cm?in?millet?Held?with?dilTcrent?stubble?and?nudation?in?2017??25??
茬一?—亞麻茬^一飼用谷子茬(CK)?一莜麥茬一?_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....
圖4-3?2UI8年不同茬口飼用谷子田和裸地0-80cm?土壤貯水量動態(tài)??Fig.4-3?Dynamic?of?soil?water?storage?of?0-80cm?in?millet?field??
?河北農(nóng)業(yè)大學(xué)碩士學(xué)位(畢業(yè))論文???分析2018年不同茬口飼用谷子田和裸地0-80cm?土壤貯水量動態(tài)變化如圖4-3。連作飼用谷??子田播種期0-80cm?土壤貯水量為103.52mm,裸地、馬鈴薯茬、亞麻茬、莜麥茬、甜菜茬詞用谷??子田土壤貯水量分別為丨13.48、96.7....
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