<p class="ql-block">一、開墾</p> <p class="ql-block">二、松土</p> <p class="ql-block">三、改良土壤</p> <p class="ql-block">四、播種</p> <p class="ql-block">五、蓋土</p> <p class="ql-block">六、發(fā)芽</p> <p class="ql-block">七、參觀</p> <p class="ql-block">八、澆水</p> <p class="ql-block">九、施肥</p> <p class="ql-block">種豆芽供觀察。</p>