Planting and Caring for Flower Bulbs

by: Michael McGroarty
There is nothing quite as welcome as those beautiful spring flowers that seem to emerge from nowhere to welcome the arrival of spring. Bulb type flowers are really unique plants, because they spend most of their days resting quietly beneath the surface of the soil. Then right on schedule, up they come, full of bloom and vigor, and then almost as fast as they came, they go. Except for the green leafy part of the plant that tends to linger longer than we would like them to.

Despite their short bloom time and unattractive foliage after the blooms are gone, they are still a wonderful addition to any landscape. But how should you care for them? First let’s talk about how to use them in your landscape. Flowers of all kinds are best when planted in groupings. Many people buy 25 or 50 bulbs and just go around the yard planting helter skelter. That’s fine if that’s what you want, but when planted that way they tend to blend in with the landscape and really don’t show up well at all. When you plant them in large groups they are a breathtaking showpiece.

In the early spring start thinking about where you would like to create a bed for flower bulbs. Prepare the bed by raising it with good rich topsoil, and if at all possible add some well composted cow manure. Do this in the spring while you are in the gardening mood; you may not be in the fall. Over the summer fill the bed with annual flowers to keep the weeds down, and to pretty up your yard for the summer. Come fall all you have to do is pull out the annuals and plant your bulbs to the depth recommended on the package.

If you think you could have a problem with squirrels digging up the bulbs and eating them, you can also wrap the bulbs in steel wool, leaving just the tip of the bulb exposed so it can grow out of the little wire cage you’ve created. Or you can just plant the bulbs and then cover the bed with chicken wire or plastic fencing until the bulbs start to grow in the spring.

When the bulbs come up in the spring and start blooming, you should clip off the blooms as they start to wither. This keeps the bulb from producing seeds, which requires a lot of energy, and you want the bulb to use all of its available energy to store food in preparation for the bulb’s resting period. Once the bulbs are completely done blooming you don’t want to cut off the tops until they are withered and die back. The million dollar question is how to treat the tops until that happens.

Many people bend them over and slip a rubber band over them, or in the case of bulbs like Daffodils tie them with one of the long leaves. This seems to work because it is a very common practice among many experienced gardeners. However, Mike is about to rain on the parade.

I strongly disagree with this theory because back about 6th grade we learned about photosynthesis in science class. To recap what we learned, and without going into the boring details, photosynthesis is the process of the plant using the sun’s rays to make food for itself. The rays from the sun are absorbed by the foliage and the food making process begins. In the case of a flower bulb this food is transported to the bulb beneath the ground and stored for later use.

So basically the leaves of the plant are like little solar panels. Their job is to absorb the rays from the sun to begin the process known as photosynthesis. If we fold them over and handcuff them with their hands behind their back, they are not going to be able to do their job. It’s like throwing a tarpaulin over 80% of a solar panel.

In order for the leaves to absorb the rays from the sun, the surface of the foliage has to be exposed to the sun. On top of that, when you bend the foliage over, you are restricting the flow of nutrients to the bulb. The veins in the leaves and the stem are a lot like our blood vessels. If you restrict them the flow stops.

You decide. I’ve presented my case. Bending them over seems to work, but I’ve spent a lot of money on my bulbs. I want them running at full speed. What I do is clip the blooms off once they are spent, and just leave the tops alone until they are yellow and wilted. If they are still not wilted when it’s time to plant my annual flowers, I just plant the annuals in between the bulbs. As the bulbs die back the annuals tend to grow and conceal them. If one shows through I clip it off. It seems to work well for me.

--

You are welcome to use this article on your website or in your newsletter as long as you reprint it as is, including the contact information at the end. Website URLs must be active links. You are welcome to use this article with an affiliate link, http://www.freeplants.com/resellers.htm

About The Author


Michael J. McGroarty is the author of this article. Visit his most interesting website, http://www.freeplants.com and sign up for his excellent gardening newsletter.

mcplants@sbcglobal.net
=======================================================

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Labels: networks, plant

Posted by faisal reza, Sunday, August 19, 2007 1:42 PM | 0 comments |

CCNA Certification Exam Training: Passwords, Cisco Routers, And Network Security

by: Chris Bryant, CCIE #12933

CCNA certification is important, and so is securing our network's Cisco routers! To reflect the importance of network security, your CCNA certification exam is likely going to contain a few questions about the various passwords you can set on a Cisco router. Let's take a look at some of those passwords and when to apply them.

If the previous user has logged out of the router properly, you will see a prompt like this when you sit down at the router console:

R1 con0 is now available

Press RETURN to get started.



R1>

To get into enable mode, by default all I have to do is type "enable".

R1>enable

R1#

See how the prompt changed? By default, I can now run all the show and debug commands I want, not to mention entering global configuration mode and doing pretty much what I want. It just might be a good idea to password protect this mode! We do so with either the enable password command or the enable secret command. Let's use the enable password command first.

R1(config)#enable password dolphins

Now when I log out and then go back to enable mode - or try to - I should be prompted for the password "dolphins". Let's see what happens.

R1>enable

Password:

R1#

I was indeed prompted for a password. Cisco routers will not show asterisks or any other character when you enter a password; in fact, the cursor doesn't even move.

The problem with the enable password command is that the password will show in the configuration in clear text, making it easy for someone to look over your shoulder and note the password for future use, as shown below:

hostname R1

!

enable password dolphins

We could use the "service password-encryption" command to encrypt the enable password, but that will also encrypt all the other passwords in the Cisco router config. That's not necessarily a bad thing! Here's the effect of this command on the enable password we set earlier.

enable password 7 110D1609071A020217

Pretty effective encryption! However, if we want to have the enable password automatically encrypted, we can use the enable secret command. I'll use that command here to set this password to "saints", and note that I'm not removing the previous enable password.

R1(config)#enable secret saints

After removing the "service password-encryption" command, we're left with two enable mode passwords, and they appear in the Cisco router config like this:

enable password dolphins

enable secret 5 $1$kJB6$fPuVebg7uMnoj5KV4GUKI/

If we have two enable passwords, which one should we use to log into the router? Let's try the first password, "dolphins", first:

R1>enable

Password:

Password:

When you're prompted for the password a second time, you know you got it wrong the first time! Let's try "saints":

R1>enable

Password:

Password:

R1#

When both the enable secret and enable password commands are in use on a Cisco router, the enable secret password always takes precedence. "dolphins" didn't get us in, but "saints" did. That's valuable information for both the CCNA certification exam and real-world networks, because there's no worse feeling than typing a password at a Cisco router prompt and then getting another password prompt!

This is just one way to perform basic Cisco router security with passwords. We'll take a look at other methods in a future CCNA certification exam training tutorial!

About The Author
Chris Bryant, CCIE #12933, is the owner of The Bryant Advantage (http://www.thebryantadvantage.com). For his FREE seven-part course, “How To Pass The CCNA”, visit the website and sign up today! Daily free CCNA, CCNP, Network+, Security+, and A+ certification questions, too!

Labels: CCNA Training

Posted by faisal reza, Tuesday, June 19, 2007 8:10 AM | 0 comments |
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