南水北调与水利科技
南水北調與水利科技
남수북조여수리과기
SOUTH-TO-NORTH WATER
2013年
2期
117-120
,共4页
限额补灌%马铃薯%土壤水%产量%水分利用效率%灌溉水利用效率
限額補灌%馬鈴藷%土壤水%產量%水分利用效率%灌溉水利用效率
한액보관%마령서%토양수%산량%수분이용효솔%관개수이용효솔
limited supplemental irrigation%potato%soil moisture%yield%water use efficiency%irrigation water use efficiency
以马铃薯为试验材料,研究了不同生育期补灌对马铃薯土壤水及水分利用效率的影响.试验共设计5种处理模式(T1、T2、T3、T4、T5):T1平地种植,全生育期不灌水;T2到T5处理为沟垄覆膜栽培模式,补灌时间依次为播种期、苗期、发棵期和薯块膨大期.试验结果表明,T4和 T5处理中40~80 cm 剖面段的水分消耗显著,分别为25.6 mm和27.4 mm ;从产量及其构成来看,T4处理的产量为24984 kg/hm2,其大薯和中薯的产量为14490.7 kg/hm2,商品率最高;从水分利用效率和灌溉水利用效率来看,T4和 T5处理最优.总体而言,在发棵期实施补灌的T4处理是一种能有效节水增产的限额补灌模式.
以馬鈴藷為試驗材料,研究瞭不同生育期補灌對馬鈴藷土壤水及水分利用效率的影響.試驗共設計5種處理模式(T1、T2、T3、T4、T5):T1平地種植,全生育期不灌水;T2到T5處理為溝壟覆膜栽培模式,補灌時間依次為播種期、苗期、髮棵期和藷塊膨大期.試驗結果錶明,T4和 T5處理中40~80 cm 剖麵段的水分消耗顯著,分彆為25.6 mm和27.4 mm ;從產量及其構成來看,T4處理的產量為24984 kg/hm2,其大藷和中藷的產量為14490.7 kg/hm2,商品率最高;從水分利用效率和灌溉水利用效率來看,T4和 T5處理最優.總體而言,在髮棵期實施補灌的T4處理是一種能有效節水增產的限額補灌模式.
이마령서위시험재료,연구료불동생육기보관대마령서토양수급수분이용효솔적영향.시험공설계5충처리모식(T1、T2、T3、T4、T5):T1평지충식,전생육기불관수;T2도T5처리위구롱복막재배모식,보관시간의차위파충기、묘기、발과기화서괴팽대기.시험결과표명,T4화 T5처리중40~80 cm 부면단적수분소모현저,분별위25.6 mm화27.4 mm ;종산량급기구성래간,T4처리적산량위24984 kg/hm2,기대서화중서적산량위14490.7 kg/hm2,상품솔최고;종수분이용효솔화관개수이용효솔래간,T4화 T5처리최우.총체이언,재발과기실시보관적T4처리시일충능유효절수증산적한액보관모식.
@@@@In this study ,the effetcs of supplemental irrigations under different stages on the soil water and water use efficiency of potato were analyzed .The potato was used as the indicator crop and a total of 5 treatments(T1 ,T2 ,T3 ,T4 and T5)were con‐ducted ,including T1 treatment of flat cultivation and no irrigation during the whole grow th period ,and T2 to T5 treatments of film punching on ridge and over furrow cultivation and irrigations under the sowing ,seedling ,tillering ,and tuber expansion sta‐ges respectively .The results indicated that the water consumption is significant in the 40~80 cm profile sections for the treat‐ments of T4 and T5 ,which is about 25 .6 mm and 27 .4 mm ,respectively .From the aspect of yield and its components ,the yield of T4 treatment reached 24 984 kg .hm‐2 ,and the yield per hectare of big potato and middle potato was 14 490 .7 kg ,resulting in the highest commodity rate of all treatments .In terms of water use efficiency and irrigation water use efficiency ,the treatments of T4 and T5 were the best .Overall ,T4 treatment with supplemental irrigation under the tillering stage was one of the limited supplementary irrigation modes for water saving and yield increasing .
