东北西部地区抗旱坐水种技术  

Drought Resistance Technology of Sowing with Water in the Western of Northeast China

作　　者：陈良宇[1] 桑立君 

机构地区：[1]铁岭市农业科学院,辽宁铁岭112616

出　　处：《园艺与种苗》2015年第8期87-88,共2页Horticulture & Seed

摘　　要：坐水种技术是东北半干旱区为应对区域春旱的一项重要的保苗措施,一般可增产12%以上。一般采用专用坐水播种机进行作业,在东北褐土地区当0-20 cm土层重量含水量为6%-8%时,玉米坐水量为60-90 m^3/hm^2,大豆和花生为80-100 m^3/hm^2;土壤含水量为8%-10%时,玉米坐水量为45-65 m^3/hm^2,大豆和花生为55-75 m^3/hm^2;土壤含水量为10%-12%时,玉米坐水量为30-50 m^3/hm^2,大豆和花生坐水量为40-60 m^3/hm^2。Sowing with water was an important measure for？keeping crop seedling from drought in the semiarid area of northeast China. The technique had yield-increasing effect of 12%. Special sowing with water machine should be used in the operation. In the cinnamon soil area, when 0 -20 cm soil weight moisture content was 6%-8%, irrigation quantity of maize for 60-90 m^3/hm^2. and soybean or peanut for 80-100 m^3/hm^2;When soil weight moisture content was 8%-10%, irrigation quantity of maize for 45-65 m^3/hm^2, and soybean or peanut for 45-65 m^3/hm^2; When soil weight moisture content was 10%-12%, irrigation quantity of maize for30-50 m^3/hm^2, and soybean or peanut for 40-60 m^3/hm^2.

关 键 词：坐水种 抗旱 半干旱地区 春旱 

分 类 号：S157.4[农业科学—土壤学]