Therefore, it can be concluded that intercropping white clover and straw mulching is an effective ecological measure for weeds control.

这表明稻草覆盖和间种白三叶草能改变茶园杂草群落结构，有效控制杂草生长，增加茶叶产量和改善茶叶品质。

Sand culture experiment, electron microscopy technique were used to investigate the compound effects of nitrogen and zinc on nodule development and ultrastructure of white clover.

采用砂培试验和电子显微技术，研究了不同水平氮锌配施对白三叶草根瘤发育和超显微结构的影响。

The land is laid down with red or white clover.

这块土地种上了红花和白花苜蓿。

In fact, the hop clover, white clover, and red clover, and a plant known as black medick , are commonly displayed as shamrocks.

实际上，蛇麻草，白色三叶草，红色三叶草以及一种叫做黑色苜蓿草的都被当做三叶草来展示。

From the flowers of the white clover, regarded by beekeepers to be the best honey.

采自苜宿小花被养蜂人公认为最好的蜂蜜。

Sand culture experiment compound effects of N and Zn on chloroplast ultrastructure of white clover leaves.

白三叶叶片超显微结构表明,低锌条件下,随供氮水平增加,叶绿体结构变差,基粒及基粒片层、基质片层数量下降甚至解体,光合能力显著下降.

How these leaf traits are inherited and why white clover has so many rare leaf traits and has puzzled geneticists and breeders for many years.

这些三叶草叶子的性状是通过什么方式遗传的，为什么白色三叶草有这么多珍贵稀有的性状，已困扰遗传学家和育种者多年。

Researchers are now one step closer to unlocking the genetic mechanisms behind four leaves in white clover and fixing this trait for breeding purposes.

研究人员已进一步解锁三叶草的基因机制，通过培育的目的来确定叶子的性状。