익산 지역에서 포장과 무가온 시설을 이용한 춘파성 보리의 1년 3회 세대촉진재배
Acceleration of 3 Generations a Year under Field and Non-heating House Conditions of Spring Barley
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Abstract
This study was conducted to investigate the effect on shortening spring barley cultivation into three generations a yearunder field and unheated (vinyl or glass) greenhouse conditions in Iksan, Korea. Two-rowed spring barley varieties, Jinyangboriand Doosan 29, were tested in this experiment. Sowing dates were October 25, 30, and November 10 in winter season; April 25, 30,and May 5, 10, 15 in spring season; and August 16, 20, 25, and 30 in sumer season. Heading date of Jinyangbori and Doosan 29sowed at late October was early-mid March in glass house and late March to early April in vinyl house and grain filling period was0sowing or transplanting, heading date was September 17 to 23. Heading date of Jinyangbori and Doosan 29 in winter cultivationwas different in high temperature and long day conditions of spring and summer cultivation. Three-time harvests a year of springbarley varieties were feasible without heating in Iksan province by combining cultivation in unheated green house in winter seasonand field cultivations in spring and summer seasons.