planting trees
Question:

Why do gardeners prefer to plant trees in silty soil instead of in sandy soil?



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Water infiltrates faster through a sandy soil thanthrougha silty soil.

Silty soils generally allow for faster water infiltration than sandy soils.

The soil water storage capacity is greater ina sandy soil than in a silty soil.

When there is precipitation the sandy soil becomes muddy.



Comments:
1.  abdi arwa (2013-12-20 15:00:00)
Hi khawla

,

I think that the topic of the question is very good and it's related to everyday life , your point on the map and the example you put is very useful . however,  I think  that the question should be more difficult.

Good luck!

2.  kheir sereen (2013-12-20 15:00:00)
comment for khawla
the point on the map, very relevant to the question . the note on the map are so regarding to the question and the picture also so relevant and beutiful , the animation is good , but I think that it's better if you give an explaination for the animation and associate it to the slit and sand soil . most liked to me is the video, it was clear , easy to understand and it illustrates the topic you talk about . 
3.  kheir sereen (2014-12-20 15:00:00)
More informaton

Different Types of Soil
There are different types of soil that have different characteristics. If you want to know more about them, read this article…

Soil is the thin layer on the surface of the Earth on which the living beings of the earth survive since it is the layer of materials in which plants have their roots. Soil is made up of many things like weathered rock particles and decayed plant and animal matter. It takes a long time for soil formation and more than thousand years for the formation of a thin layer of soil. Since soil is made up of such diverse materials like broken down rock particles and organic material, it can be classified into various types, though based on the size of the particles it contains.

Soil Types

Therefore depending on the size of the particles in the soil, it can be classified into these following types:

  • Sandy soil
  • Silty soil
  • Clay soil
  • Loamy Soil
  • Peaty Soil
  • Chalky Soil

In this video we focus on sandy and silty  soil :(0:20-1:30)

4.  Hajouj khawla (2014-12-20 15:00:00)
thanks
Thank you Arwa & Sireen.



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