甘肃农业科技
甘肅農業科技
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GANSU AGRICULTURAL SCIENCE AND TECHNOLOGY
2014年
2期
7-10
,共4页
全膜双垄沟播%玉米%注灌施肥%产量%土壤水分
全膜雙壟溝播%玉米%註灌施肥%產量%土壤水分
전막쌍롱구파%옥미%주관시비%산량%토양수분
Ditch sowing in double ridge mulched with plastic films%Corn%Pouring irrigation fertilization%Yield%Soil moisture
在榆中县旱作区全膜双垄沟播栽培下,观察了不同注灌施肥处理对玉米产量及土壤水分含量的影响。结果表明,不同水肥条件对玉米产量均有一定的影响。基施N 180.00 kg/hm2、P2O5120.00 kg/hm2、ZnSO47.50 kg/hm2、K2O 30.00 kg/hm2,拔节期和大喇叭口期各注水30 m3/hm2处理下玉米折合产量最高,为14157.6 kg/hm2。玉米抽雄期0~60 cm土层含水量各处理变化趋势相同,均表现为0~20 cm土层含水量较高,20~60 cm土层含水量相对较低,且相互间无明显差异。注水对水分利用效率的影响不显著。
在榆中縣旱作區全膜雙壟溝播栽培下,觀察瞭不同註灌施肥處理對玉米產量及土壤水分含量的影響。結果錶明,不同水肥條件對玉米產量均有一定的影響。基施N 180.00 kg/hm2、P2O5120.00 kg/hm2、ZnSO47.50 kg/hm2、K2O 30.00 kg/hm2,拔節期和大喇叭口期各註水30 m3/hm2處理下玉米摺閤產量最高,為14157.6 kg/hm2。玉米抽雄期0~60 cm土層含水量各處理變化趨勢相同,均錶現為0~20 cm土層含水量較高,20~60 cm土層含水量相對較低,且相互間無明顯差異。註水對水分利用效率的影響不顯著。
재유중현한작구전막쌍롱구파재배하,관찰료불동주관시비처리대옥미산량급토양수분함량적영향。결과표명,불동수비조건대옥미산량균유일정적영향。기시N 180.00 kg/hm2、P2O5120.00 kg/hm2、ZnSO47.50 kg/hm2、K2O 30.00 kg/hm2,발절기화대나팔구기각주수30 m3/hm2처리하옥미절합산량최고,위14157.6 kg/hm2。옥미추웅기0~60 cm토층함수량각처리변화추세상동,균표현위0~20 cm토층함수량교고,20~60 cm토층함수량상대교저,차상호간무명현차이。주수대수분이용효솔적영향불현저。
The effect of pouring irrigation fertilization on yield and soil moisture of corn ditch sowing in double ridge mulched with plastic films in dryland area of Yuzhong county was observed . The results showed that different water and fertilizer conditions had some effect on corn yield . The yield was the highest (14 157.6 kg/hm2)which base application of N 180.00 kg/hm2、P2O5 120.00 kg/hm2、ZnSO4 7.50 kg/hm2、K2O 30.00 kg/hm2 under treatment for each injection water 30 m3/hm2 at jointing stage and the large bell stage . The treatments trend of the soil moisture in layer of 0~60 cm was similar at corn tasseling stage which the soil moisture in layer of 0~20 cm was higher,the soil moisture in layer of 20~60 cm was relatively low,and there was no significant differences between each other . In addition,the effects of pouring irrigation on water use efficiency was not significant .