论文部分内容阅读
一串红大面积种植时通常采用播种法,但不知您是否注意到,种子播下后出苗率往往并不高。是什么原因呢?我们先来做个实验:取200粒种子,分为两组,100粒为实验组,100粒为对照组。分别投入盛有清水的容器中浸种,数小时后就会发现,每粒种子表面都附着一层滑溜溜的粘液,很难除去。想办法清除实验组种子表面的粘液,换清水,再浸泡,再清除,如此数次,直至粘液基本干净为止。对照组则带粘液。分别下土播种。一星期后,实验组的小苗出土,成苗率
Sowing is usually done on a large area of redgrass, but you do not know if you noticed that the rate of emergence is often not high after sowing. What is the reason? Let’s first experiment: take 200 seeds, divided into two groups, 100 for the experimental group, 100 for the control group. Were put into containers filled with water soaking, a few hours later you will find that the surface of each seed are attached to a slippery mucus, it is difficult to remove. Find ways to clear the experimental group of mucus on the seed surface, for water, then soaked, and then clear, so several times, until the mucus is basically clean so far. The control group with mucus. Sow under the soil. A week later, experimental group of young seedlings unearthed, seedling rate