Shrimp pond moss removes hazards in time
The environment where the moss occurs: First, there is water accumulation in the shrimp pond in the winter. There is no drainage, clearing, and disinfection in the spring. The second is that the shrimp is fed before the stocks are released in March and April. .
One of the advantages of moss on shrimp farming is: First, the moss itself can be used as a bait for prawn cultivation, shrimps like to eat moss from the seedlings. The second is that moss is a good habitat and carrier, such as monodentate larvae and quail-toads, which can indirectly provide abundant natural live food for shrimp. Third, the moss itself provides hiding places for shrimp to prevent the invasion of enemy pests and improve the survival rate of shrimp aquaculture.
Moss has a negative side to shrimp farming. The massive breeding of moss is to consume nutrients from shrimp ponds, which causes the pool water to become severely thin. The proliferation of plankton in the pond is hindered and thus affects the growth of shrimp. When moss grows in the shrimp pond, how deep the pool water is and how high the moss is. With the increase of the water temperature and temperature, the moss will spread throughout the whole pool, and when it is aged, the silk body breaks off from the bottom of the pond, floats on the water, and rises. Once the shrimp is picked up on the moss, because the moss is cotton-like, the shrimp will not be able to struggle. It will only die if it is alive and dry. As a result, the growth of shrimp is hindered and the survival rate is reduced. During the hot season, the moss turns yellow and white, and some sinks darken, seriously endangering the bottom of the pool, causing it to emit a foul odor, which can easily cause flooding of ponds and shrimps.
After the moss appears in the shrimp pond:
(1) When shrimp ponds have not put a lot of moss on them, one kilogram of water will be sprinkled with a few kilograms of quick lime to kill the moss, and then the pool water will be drained and the pond will be re-introduced.
(2) When shrimp ponds have been stocked with small amounts of moss, they should raise the water level of the pool water as much as possible to reproduce the monocytic algae, so that the pool water can be made fat and the mosses can't grow and growth can be inhibited.
(3) When shrimp ponds have been stocked with shrimps, the mosses are multiplying in the pond and should be removed with drugs.
One method of applying Praxanthine 1 ppm. The method of application is to mix it with the sediment and the ratio is 1:100 to 1:200, and the humidity is suitable. Choose to use the drug when dissolved in oxygen in sunny afternoons. During the flood season, continuously change the water 24 hours after application until the water in the pool is normal. Another method is that in the event of a windy day, moss is blown into the corner of the pond, while photosynthetic bacteria are applied every 15 to 20 days. In this way, when the moss is spoiled, the moss does not have any pollution or adverse effects on the shrimp and the bottom of the pool due to the photosynthetic bacteria.
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hydroponics system-nutrient technique (NFT)
NFT does not give average support to roots. Typically, the roots sit in a long sloping channel irrigation (Fig. 1.1). The nutrient is introduced into the high class of the canal and allowed to flow over the roots after which it drains into the nutrient tank. This is then re-pumped back into the channel to repeat the watering process.
This feed cycle can be intermittent or continuous. An & lsquo; The intermittent 'rss cycle is controlled by the clock and repeated several times per hour. this is sometimes called the "NFT pulse". The NFT pulse usually achieves better aeration of the roots as the roots are exposed to air between each feed. A & lsquo; continuous' rss cycle works non-stop. This is often used in commercial operations.
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Hydroponics is an ideal way to grow plants in urban areas. This makes it a great hobby that helps you to relax and it is fun to watch the hydroponic plants grow in the garden nft.
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