<p class="ql-block">一、开垦</p> <p class="ql-block">二、松土</p> <p class="ql-block">三、改良土壤</p> <p class="ql-block">四、播种</p> <p class="ql-block">五、盖土</p> <p class="ql-block">六、发芽</p> <p class="ql-block">七、参观</p> <p class="ql-block">八、浇水</p> <p class="ql-block">九、施肥</p> <p class="ql-block">种豆芽供观察。</p>