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  #1  
Old 04-19-2006, 03:18 PM
bobobabattan bobobabattan is offline
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what would you say the best kind of plant to do a project with be? My project is to see if salt kills or helps grow a plant. my plan is to get two types of the same plant and i think i need a plant to do it with. you guys would so help me out, and i would like be so thankful!
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Old 04-21-2006, 03:39 PM
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When using a plant, I'd always suggest small, and quick-growing. I know clover seeds and rye seeds germinate in a few days (around 3, I think). All you have to do is put some rye/clover seeds on a soaked/moisted (but not dripping) paper towel and put it in a closed environment (like a petridish). Well, remember this is seedling and no longer a fully grown plant, so you'd be measure 1)how long it takes to germinate, 2) how many seeds germinate 3)how healthy the first few days the sprouts are. Also, I suggest you do more than just salt and no salt. Let no salt be your control. Let's say in three petri dishes, leave it with no salt, in another three with one gram of salt, and in another three with two grams, or something like that. But I warn you to keep away from obvious things.

Let me tell you what I mean by obvious. It's like putting a plant in the freezer, putting one on the heater, and one at room temperature and asking the temperature which is going to grow better. This is what I mean. So when you're measuring salt, don't make it like a ton of salt then one teaspoon of salt and ask, which will be better, cause then, it's pretty obvious.

So keep it to like .5 grams, 1 gram, 1.5 grams, do you know what I mean?

good luck!

(If you decide to go with the seedlings, of course. But if you're talking about salt actually on a leafy plant, you're going to have a lot more uncontrolled variables... I suggest you to stick with seedlings. If you mess up once, it's easy to start over again with a few new seeds, and you don't need to wait forever for germination.)
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Old 04-21-2006, 04:26 PM
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You should use a variety of plants. This way, your data will be accurate. As for quick growing plants, try marigolds.
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