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蕹菜,又名空心菜,是喜温耐热的绿叶蔬菜,是夏淡季栽培的主要蔬菜之一。近几年来,北方各城市郊区栽培逐渐普遍,是很有发展前途的堵夏淡季的绿叶蔬菜。一、播种技术 1.播种期的确定蕹菜种子发芽要求15℃以上的温度,在气温较高时,方可进行露地直播。山东省各地以5月上旬至8月下旬播种为宜。实践证明,播种期不宜过早,否则易造成烂种,影响出苗,或出苗后幼苗生长缓慢。
Brasenia stem, also known as spinach, is a warm green leafy vegetables, is one of the main summer vegetables cultivated in summer. In recent years, cultivation in the suburbs of cities in the north has become more and more common. It is a very promising green leafy vegetable in the off-season of blocking summer. First, the sowing technology 1 sowing date to determine the seedlings of Brasenia schreberi seed germination requires a temperature above 15 ℃, when the temperature is high, before the open field broadcast. Shandong Province throughout the early May to late August planting is appropriate. Practice has proved that the sowing period should not be too early, otherwise easily lead to rotten species, affecting emergence, or seedling growth after emergence of slow.