一、試驗目的油菜是汉中地区主要油料作物,种植面积逐年扩大,但在某些干旱年份里常受旱災而減产;有灌溉条件的地区,部分群众又认为“灌了水費肥料,会使地板結,要死苗,影响下一季作物的收成”,又认为:“灌了水的油菜籽打不出油”。針对这些存在問題,通过試验研究,得出油菜在汉中地区的合理灌溉制度,是本項試验研究的对象和目的。 First, the purpose of the test Rape is the major oilseed crops in Hanzhong, planting area expanded year by year, but in some dry years often drought and cut; irrigation conditions in the region, some people think that “irrigation water fertilizer will make Floor knot, to death die, affecting the next crop crop, ”also said:“ rapeseed irrigation can not beat the oil. ” In view of these existing problems, the reasonable irrigation system of rapeseed in Hanzhong area is obtained through experimental study, which is the object and purpose of this experimental study.