论文部分内容阅读
秋菠菜是秋播春收的越冬性蔬菜,由于它上市早,产量高,效益好,近几年栽培面积逐年呈上升趋势。秋菠菜是棵地栽培,越冬期长,所以在长期低温干燥条件下,如何确保安全越冬是夺取菠菜丰收的关键问题,总结经验应抓好以下几项措施: l.浇好封冻水。根据土壤含水量多少决定用不用浇防冻水。沙壤低于15%,壤土低于17%,粘土低于20%应浇防冻水。浇水要适时适量,
Autumn spinach is winter harvest spring vegetables overwintering, due to its early market, high yield, good efficiency, the cultivation area in recent years showed an upward trend. Autumn spinach is cultivated in the field and has a long wintering period. Therefore, under the conditions of long-term low-temperature drying, how to ensure the safety of wintering is the key issue to seize the harvest of spinach. Summarizing the experience, we should pay attention to the following measures: l. According to the amount of soil moisture decided not to use antifreeze water. Less than 15% of sandy soil, less than 17% of loam, clay less than 20% should be poured antifreeze water. Watering timely and appropriate amount,