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5. Pond Conditioning Through Liming

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1. The aim of good pond management is to increase fish production through an improved supply of natural food such as phytoplankton and zooplankton. The supply is usually increased by fertilizing the pond water. You will learn more about this and the fertilizers to be used in Chapter 6. However, in this chapter you will first be told how to prepare and, if necessary, treat your ponds so that these fertilizers will work as well as possible. This preliminary step is called conditioning the ponds. 2. Earthen ponds are conditioned by liming, i.e. preparing the ponds and treating them with various types of lime, chemical substances rich in calcium (Ca) similar to those you have learned to use to control pests (see Section 4.6). 3. This process improves the structure of the pond soil, improves and stabilizes water quality and makes the fertilizing materials act more efficiently to increase food supply. 4. One of the most important effects, and one which you can measure and use to control limi

5. Pond Conditioning Through Liming 5. POND CONDITIONING THROUGH LIMING 5.0 Introduction 1. The aim of good pond management is to increase fish production through an improved supply of natural food such as phytoplankton and zooplankton. The supply is usually increased by fertilizing the pond water. You will learn more about this and the fertilizers to be used in Chapter 6. However, in this chapter you will first be told how to prepare and , if necessary, treat your ponds so that these fertilizers will work as well as possible . This preliminary step is called conditioning the ponds. 2. Earthen

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