香椿两步育苗法既解决了一年育苗的困难,又降低了成本,而且管理简便,苗齐苗壮,为大棚高产打下了基础。现介绍如下: 一、第一年集中育小苗 这一步实际上相当于早春育苗移栽中的育苗。可在5月底6月初播种,但不宜迟于6月20日。茬口可选择腾茬早的早春菜地或麦茬地。 种子处理:将种子精选去除杂质,在30—40℃温水中浸15—20分钟,然后在常温下浸种18—20小 Toon two-step nursery law not only solve the problem of breeding seedlings a year, but also reduce the cost, but also easy to manage, Miao Qi Miaozhuang, laid the foundation for high yield greenhouse. Are introduced as follows: First, the first year focused on nursery seedlings This step is actually equivalent to early spring seedling transplanting seedling. It can be sown at the end of May and early June, but not later than June 20. Stubble stubble early selection of early spring or wheat stubble field. Seed treatment: The seeds are selected to remove impurities, immersed in warm water at 30-40 ℃ for 15-20 minutes, and then soaked at room temperature 18-20 small