In a new study, scientists reviewed global research on trends in tree seedlings, growth and death.

在一项新研究中，科学家回顾了针对树木幼苗、生长和死亡趋势进行的全球研究。

And the sheep tend to like tree seedlings, poison ivy, herbaceous weeds, even more than the grass.

而绵羊倾向于喜欢树苗、毒藤、草本植物，甚至比草更喜欢。

Once the capsule is buried, a tree seedling will then be planted on top.

一旦胶囊被掩埋，就会在上面种植一棵树苗。

The Agriculture Department will have to quadruple the number of tree seedlings produced by nurseries to get through the backlog and meet future needs.

农业部将必须把苗圃生产的树苗数量翻两番，才能解决积压问题，满足未来需求。

This moved nutrients from the leaf layer to deeper layers of soil, where it’s harder for young tree roots to reach, and left tree seedlings exposed to the elements.

这下落叶层里的营养被送往深层土壤，树苗的根部很难碰到的地方，也让树苗受到风吹雨打。

So this is, for example, professional seed, which is 100 percent natural, locally produced; a tiny microdose of fertilizer, which is necessary for plant nutrients; and, for example, tree seedlings.

例如这是一种百分百纯天然本地产的专业种子；微量肥料，对植物营养来说是必不可少的；又例如树苗。

Wherever mustard has been planted, it goes wild and spreads, so that today, ten years after my last planting, I can still go down toward the lake under the old seedling pecan trees and pick a good mess in season.

哪里就荒芜蔓延， 以至于今天， 在我最后一次种下十年后， 我仍然可以到老山核桃树苗下的湖边去， 哪里种过芥菜， 采摘当季的好菜。