"The good news is, the bulbs will figure it out." Do not use fertilizer for the first year.

VOA: special.2011.04.12

So we have system insulated from the outside world, and we have two bulbs.

我们有一个与环境隔绝的系统，和两个腔体。

麻省理工公开课 - 热力学与动力学课程节选

Mike Lizotte of American Meadows, an online store, says before you start, you need know whether to plant tender bulbs or hardy bulbs.

VOA: special.2011.04.12

After that,if you do fertilize the bulbs, do not mix the fertilizer in the planting hole.

VOA: special.2011.04.12

It has decided to support selling more energy saving products such as low-energy light bulbs.

VOA: special.2009.07.17

At the Chicago Botanic Garden in Illinois, workers plant twenty-nine thousand tulip bulbs every fall.

VOA: special.2009.02.03

The bulbs should hang below the leaves to let the heat rise into the tree.

VOA: special.2010.01.12

She says she enjoys planting smaller ones like snowdrop bulbs.

VOA: special.2011.04.12

LEDs produce as much light as incandescent light bulbs but consume only 10 percent of the electricity and last many times longer.

VOA: standard.2009.12.13

"And so he then went back and worked on technology adaptation and designed very low-cost, small affordable solar panels with fitted bulbs, maybe one or two bulbs per household, made sure that the bulbs could be moved from room to room, depending where people wanted the light,".

VOA: standard.2009.12.18