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I reckon because it can breathe

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Q: Why is cotton wool used instead of soil when germinating a seed?
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Why is potting soil not good to start seed in?

says who? its great for germinating seeds


Why water necessary for seed germination?

A seed soil needs to be watered the first time its in the soil because, it needs to get use to the habitat in order to produce a well growing plant.The seed coat needs moisture to soften it to allow germination.


How long does it take for a seed to sprout from the ground?

That depends on when it starts germinating. After germination it takes less than a week for the plant to rise from the soil. Germinating seeds before planting them is always a good idea.


What observations can be seen when a seed is germinating?

the seed will start to grow with the right amount of elements eg:light,water,soil ect all the basic things needed for the seeds to grow.


What do seed plants not requrie?

When plants are seeds, there is a technique called GERMINATION. In this technique all you need is water, light, and temperature. So, seed plants don't need soil when they are GERMINATING.


Will a seed grow faster in a cotton or will it grow faster in soil?

it would grow faster in wet cotton than in wet soil soil , as cotton would retain adequate water for a longer period of time than soil .


What does germination as in plants mean?

Germination is the point at which the plant starts to grow from the seed.


What does germinate do with plants?

It's pretty simple really, the germination process allows the seed time to grow without any fertilizer, when done germinating the seed is healthy enough to be planted in soil.


Why is it important for roots to grow first when a seed germinates?

Roots absorb water and other nutrients to make food by the germinating seedling to establish itself. They also act as anchor in the soil to keep it attached in the soil.


Is too little heat bad for seed germination?

yes it is Cool, moist soils are usually not conducive to good seed germination since there are frequently many different and virulent pathogens in the soil which can attack the seed. The germinating seed usually cannot grow fast enough to outgrow the effects of these pathogens and the seedling dies before it can emerge from the soil. This is why seed treatments are especially important when planting in these conditions.


What are the disadvantages of sandy and clayey soils?

Sandy soil is too porous and allows leaching of nutrients below where the roots of the plants can reach it and will lead to poor growth. Clayey soil especially when hard will not enable the germinating seed planted to rise above the soil surface.


When conditions are right a seed will start to grow or what?

depending on what seed your talknig about (make questions more specific)... anywho...when the seeds are in the right condition (i prefer pre germinating) they will get a whitish "tail" at the end if u say and they will gorw upwards until u see a bump in the soil.