韭菜产量的高低取决于保苗株数和根茎积累物质的多少。苗全、根茎大,是稳产高产的基础。韭菜的保苗、养根与韭菜的收割次数、留茬高度、合理施肥及加强管理等有密切关系。要提高韭菜产量,可围绕着保苗、养根采取相应的技术措施,详述如下:一、保苗1.及早修好畦与畦间的排灌沟渠,加强对水的管理。韭菜苗期或定植时,正处于高温季节,这时灌水应充足、及时,以利降低地温,促进早发。天气转凉,要适当控制灌水,进入8月下旬或9月上旬以后,只要根际土壤湿润,就不必浇水。2.在多雨的季节,要保证雨后畦中无积水。注意排水防涝,暴雨过后有条件的农户可汲取井水浅灌一次,能 The level of leek production depends on the number of seedlings and rhizome accumulation of substances. Full seedlings, rhizomes, is the basis for stable and high yield. Leek seedlings, raising root and leek harvest, stubble height, fertilization and strengthen management, etc. are closely related. To raise the yield of leeks, we can take the appropriate technical measures around seedling conservation and root conservation. The details are as follows: I. Seedling Maintenance 1. Drainage and irrigation ditches should be repaired as early as possible to enhance water management. Leek seedling or planting, is in the hot season, when irrigation should be adequate, timely, in order to reduce ground temperature and promote early onset. The weather turns cooler, should be properly controlled irrigation, into late August or early September later, as long as rhizosphere soil moist, you do not have to water. In the rainy season, to ensure that there is no water after the rain. Pay attention to drainage waterlogging, conditional after the rainstorm farmers can draw well shallow irrigation, can