Soil Conditions and Growing Trees: Dealing with Iron Chlorosis through Fertilizer Application

snerfuStarred Page By snerfu, 30th Jun 2014 | Follow this author | RSS Feed | Short URL http://nut.bz/28nm1x3p/
Posted in Wikinut>Guides>Gardening>Trees & Shrubs

Condition of soil determines how well your tree will grow. Since soils become depleted of their nutritive value very fast we have to apply fertilizers. Sometimes, soils are deficient in iron too leading to a condition called iron chlorosis. This potential harmful condition for soils.

Soil fertility and fertilizers

Most soils lose their nutritive content within 2 –3 seasons. Trees need nitrogen rich soils since nitrogen enhances growth aspect in trees. It also needs oxygen, carbon and hydrogen but these are available in plenty in the atmosphere. Fertilizers are mainly composed of nitrogen, phosphorous and potassium. There are minerals too in smaller quantities.

Phosphorus, minerals and potassium stay in the soil for longer durations unlike nitrogen. Washing away of nitrogen leads to nitrogen deficiency. Another problem is iron chlorosis. This takes place in soils that have bound iron but no loose iron for consumption by trees.

Dealing with iron chlorosis*

Iron chlorosis is a condition existing in plants facing iron deficiency. Adequate amount of chlorophyll is absent making leaves turn yellow. The veins of affected trees remain green. This is main sign of interveinal chlorosis. Another peculiar aspect is that one portion of the tree would be affected while the rest of the tree will remain healthy. In particular zones, entire vegetation would have turned yellow whereas in other areas you will have one tree alone affected while the remaining vegetation remains untouched.
*(Source: http://forestry.usu.edu/htm/city-and-town/tree-care/preventing-and-treating-iron-chlorosis-in-trees-and-shrubs/)

Conditions leading to iron chlorosis

Now, reduced chlorophyll during season time could result in poor yield, small sized fruit and fruits will have pungent or bitter taste. Iron in the soil becomes unavailable to those plants. This generally occurs in soils having a pH value greater than 7 (meaning alkaline soils). Such irons will remain without access in the soil until you treat the soil to remedy that situation.

Factors that could aggravate iron chlorosis are cool soil temperatures, soil conditions that do not allow air and conditions of oversaturation by water. Iron present inside soil binds up to form solids. Therefore, even if you add iron shaving or iron nails, it will not reach the plants. They immediately become solid compounds and do not permeate into the substrata. This condition is present in areas where they have removed topsoil either for construction purposes or for making roads.

Select your tree according to need

Trees grow to different heights and have different widths. If you have restricted space near your house, then you need to select narrow trees. If you want to cover a lot of space, you have to choose a tree that has maximum width. Here are some choices that will help you.

Wild plum and crabapple belong to skinny and short trees that grow to heights of 18 feet. They usually have a with of 20 feet. When you are planting trees near the power line, you must ensure one thing. The height of mature trees should only be 18 feet when you are planting within 18 feet of power line.

Example of medium skinny type of tree is Black Spruce. They grow about 40 feet high and are 20 feet wide. Tall skinny trees ideal for tight corners are hackberry and black pine. However, if you should need tall trees that are wide to provide shade for your house and driveway, then you should choose Red Pine, Red Oak and White Pine.

Applying choice of fertilizer

There are two kinds of fertilizers – one is the fast release nitrogen fertilizer and the other is the slow release fertilizer. Using slow release fertilizer remains the wise choice since this will have lesser impact on environment. It helps the roots absorb nitrogen in a slow manner that helps them utilize it better. However, if the case is one where you need plenty of leaves on the trees fast, then you use fast release nitrogen fertilizer.

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Tags

Chlorosis, Fertilizer, Iron, Nitrogen, Soil, Tree

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author avatar snerfu
Bachelor, Christian, 53, settled in Madurai, India, like to watch football and tennis on TV. I also have occasional walks but try to read the Bible daily. For amusement, I read the newspaper.

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Comments

author avatar Fern Mc Costigan
1st Jul 2014 (#)

Interesting post and well written!

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author avatar snerfu
1st Jul 2014 (#)

thanks Mr Fern

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author avatar Fern Mc Costigan
1st Jul 2014 (#)

Interesting post and well written!

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author avatar snerfu
1st Jul 2014 (#)

Absolutely thanks Mr Fern

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author avatar Fern Mc Costigan
1st Jul 2014 (#)

Interesting post and well written!

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author avatar snerfu
1st Jul 2014 (#)

Thanks again Fern

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author avatar Phyl Campbell
2nd Jul 2014 (#)

Technical difficulties again, methinks!
But a good article. My thumbs are not green, though. I have trouble keeping houseplants alive.

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author avatar snerfu
2nd Jul 2014 (#)

Just get a packet of fertilizer and mix it in with the soil...it will work most of the time.

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author avatar pohtiongho
2nd Jul 2014 (#)

Thanks for the info. Perhaps you have not heard this: there are people who believe that we don't need to pour the water on the roots of the tree. They simply spray some water on the leaves, and of couse the potted plants die with few days.

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author avatar snerfu
2nd Jul 2014 (#)

Photosynthesis requires water for converting carbon dioxide into energy and oxygen. Maybe you have some plants that can absorb water through their leaves. Thanks for the lookup Mr Pohtiongho.

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