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Tag Archives | fertility

Lime in Soil: How Much is Too Much?

 

When adding lime in the soil, can you have too much? Perhaps the most frequently asked question by those using our soil fertility program is, “Can I put on a higher rate of lime than you are recommending for this sample?”

lime in soil

A farmer spreads lime in his field.

Generally, this has to do with getting the limestone spread, because the owner of the lime trucks says he either cannot or will not apply such a small amount. Many times a farmer has been told, “You can’t use too much lime.”

That is not true. From our experience in working with thousands of acres that have previously been over-limed, we know you can easily apply too much lime, not just on crops such as berries and potatoes, but on whatever crop you are intending to grow. And if this happens, it can be far more expensive than just the cost of the extra limestone that was not needed, with the added cost of getting it spread.

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Fertile Soil: Understanding Fertility Levels and Inputs

A farmer tosses a handful of soil.

Fertile soil is a goal of every farmer, gardener and orchardist, but achieving fertile soil and maintaining fertile soil takes some understanding of the soil ecosystem, including minerals, microbials and other inputs will affect your soil fertility.

There are those in agriculture who insist that if you will only use the program they recommend, regardless of your farm’s condition, there will be no need to purchase phosphate and potassium and perhaps any other fertilizers anymore. Names of actual farmers successfully using such programs can be provided by the salesman. Some of these farmers have actually been able to maintain yields without the use of fertilizer for several years. Keep in mind that it is possible, under the proper conditions, to achieve excellent results without adding more fertilizer. But on most farms the proper conditions do not exist, and hardship would ultimately result for those involved in such a program.

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Soil pH: Making Adjustments to Boost Fertility

Raising soil pH is relatively inexpensive. Lime is the product of choice but there are two basic types of lime: high-calcium and dolomitic.

Soil pH adjustment may seem like a pretty straightforward operation, but there are many things to consider before undertaking such a bold step with soil chemistry. The first step is determine the direction you need to go and the products to use to achieve your goal.

I cannot stress enough the importance of getting a good soil test. I’ve heard people say that based on the type of weeds or the fact that moss is growing means the soil pH needs adjusting. Assuming those statements were true, which direction and how much adjustment should be made? Without a good soil test it is pure and simple guesswork.

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