论文部分内容阅读
根据大葱叶面积指数低、适合密植、栽培中又需要培土软化葱白等特点,可以采取一次栽葱、分期收获、最后培土长成大葱的栽培方法,既提高土地利用率,又提高产量。其栽培技术如下:一、整地施肥:结合深翻整地亩施有机肥2000公斤,磷酸二铵5公斤。二、栽葱:把白露葱超出,按大中小三级挑选,三垄为一组,垄距30厘米。第一垄栽小苗,株距5厘米;第二垄栽中苗,株距7厘米;第三垄栽大苗,株距9厘米。如此重复地栽下去。在5月中下旬移栽。
According to the onion leaf area index is low, suitable for close planting, cultivation also need to soften the characteristics of light blue, you can take a green onion, staged harvest, and finally cultivate long green onion cultivation methods, both to improve land utilization, but also increase production. The cultivation techniques are as follows: First, land preparation and fertilization: combined with deep plowing organic fertilizer Mushi 2 kilograms, 5 kg of diammonium phosphate. Second, planted onions: the white onions exceeded, according to the selection of three medium and small, three ridge as a group, ridge distance of 30 cm. The first ridge planting seedlings, plant spacing 5 cm; the second ridge planting seedlings, plant spacing 7 cm; the third ridge planting seedlings, plant spacing 9 cm. So planted repeatedly. Transplantation in late May.