摘要
按玉米不同生育期施入不同量的高吸水性树脂(Super-absorbent resin简称SAR)进行正交试验,结果表明:在雨量过多的情况下,用SAR糊状拌种可提前出苗2天,用SAR粉状播种前撒施的,随着SAR的增加涝害越重;在后期干旱情况下,施用SAR的小区虽前期受涝,产量仍高于未施用SAR的小区;喇叭口期施用SAR多的小区产量优于施用量少的小区,也优于用等量分两次(播种期、喇叭口期)施用的小区,更优于没有施用的小区。
The super-absorbent resin (SAR) was used in a maize field in different growth period with different quantity. The results showed that under the state of abundant rainfall, the treatment that the seed mixed with paste SAR could be promoted sproutine two days early; if the seed mixed with power SAR it would cause waterlogging heavily. At the later stage meating drought, though the maize was suffered from waterlogging at earlier stage, the yield of maize applying SAR was yet higher than that of the check. When the SAR was applied before heading stage, the yield of maize showed higher than that of SAR application in other stages.
出处
《贵州农业科学》
CAS
1992年第3期35-39,共5页
Guizhou Agricultural Sciences
关键词
玉米
保水剂
栽培
super-absorbent
maize
