Determining your soil type
An important job on any plot is to determine the soil type.Once you have done that you can work out what it needs to stay in good condition and the crops you can grow successfully. Most soils are a mixture of sand, silt and clay, but to determine exactly what type you have, you can find out yourself by picking up a handful of earth.
If it feels loose light and runs easily through your fingers, it is a sandy soil, if it is heavy damp and can be rolled in a ball, it has a high clay content.If it feels like something between those two types, its mostly silt and if it molds into your hand, but crumbles when it is squeezed then it is loam.
Clay soil can initially be hard to deal with, it is heavy sticky and difficult to dig.During the winter months it can become waterlogged, while in the summer it can get hard and dense, excluding air from the soil, which makes it difficult to get water to the roots.
The advantage of this kind of earth is that it is naturally high in nutrients, so once you
have made it more workable by digging it over, you should get good results from any crops you grow in it.
Sandy soil is easy to dig over and is made from large particles, so while it is unlikely to become waterlogged.Nutrients will be easily washed away with the rain and in the summer it may dry out.
Silty earth is also free draining and easy to work but it is low in nutrients.As it is made up of fine grains it is easily compacted, both after heavy rain or if you walk on it.If your soil is chalky it is easy to spot due to its white clumps of chalk and flint.It is naturally free draining which means it tends to dry out in summer.
The ideal type to work with is a loamy soil it is well balanced, rich in organic matter and nutrients, crumbly and easy to dig.It retains moisture and will not dry out too much in the hot weather, but it is also well drained so it will not become waterlogged either.It is posible to create this type of soi, by adding organic matter to your plot over a long piriod of time.
Most of your soil is made up of mineral ( rock ) while the remainder is comprised of air, water and organic matter ( humus ).The latter is the most important part the more organic matter the ground contains the better quality it is.
Usually the mineral content determines your soils acidity or alkalinity, which is measured on a PH scale of one to fourteen.Up to six indicates an acidic ground, seven is neutral, while anything above is alkaline.Kits are available from nurseries or garden centers that will give you a basic reading of the PH in your soil.
You can then grow crops which will tollerate that particular level, or work on altering it by digging in organic matter like compost.Most crops do well with a PH reading of around 6.5, while some plants like rhubarb and carrots prefer an acidic soil.So you may need to alter the PH to suit them by adding lime to the soil.
The general rule is that if your plants are growing, flowering, and fruiting well, the levels in your soil are fine.Too high or too low a PH can result in yellow stunted plants which are more prone to pest and disease attack.
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