How to raise goldfish algae best?

Goldfish algae belongs to algae, which grows in the still water of small lakes for many years. It has certain medicinal value and can be used as feed for pigs, fish and poultry. However, it is very difficult to cultivate goldfish algae. So, let's take a look at the best way to raise goldfish algae.

How to raise goldfish algae

1. The cultivation of goldfish algae is suitable for dense but not sparse. If breeders want to get high yield and lack of basic seedlings, it will be difficult to increase the yield. Generally speaking, in order to cultivate this kind of aquatic plant, it is appropriate to transplant 200 canopies per mu of water.

2. In the process of breeding, fertilizer should be fat rather than thin. If you choose those barren water where you can't raise fish and shrimp, grow goldfish algae. These inferior waters should remove water moss and other weeds before planting, and then apply 25 kg of calcium superphosphate per mu of water as base fertilizer and less nitrogen fertilizer to prevent green algae from occupying the water surface. And then planting goldfish algae.

3. The waters where goldfish algae are planted should not be too deep, and it is most appropriate to keep them within 1 meter. Because, if the water is too deep, there will be fewer coarse leaves, which will greatly reduce the yield and the utilization rate of aquatic plants, thus reducing the commercial value of planting goldfish algae.

In addition, under normal circumstances, it takes 50 days from the planting of goldfish algae to the first harvest. In the process of harvesting, we need to pay attention to pick up the stick and shake it, turn it 4-5 times in the water, and lift the stick up with both hands. The time of the second harvest should be 30 days later, and the third harvest should be only a few days apart.

What are the hazards of goldfish algae?

1. Harm: goldfish algae is distributed all over China, especially in the paddy fields rich in organic matter, deep water layer and long-term immersion. In addition, it is also distributed in still water ponds, lakes and ditches. Because goldfish algae has a strong ability to absorb nitrogen and reduce the water temperature, it seriously affects the tillering and growth of rice.

2. Control: the combination of agronomic measures and chemical weeding should be adopted.

① agronomic measures mainly include: first, to establish a rice production environment with smooth ditch, good water retention and free irrigation; second, combined with seed treatment to remove weed seeds, and combined with ploughing and soil preparation to eliminate weed seeds on the soil surface; third, to carry out regular flood-drought rotation to reduce the occurrence of weeds; fourth, to improve the quality of sowing, sowing the whole seedling to press the grass.

② chemical weeding, most places use one-time ban, that is, within 1-3 days after sowing (budding), 60 grams of 40% "direct seeding green" wettable powder is used per mu, 40-50 kg of water is added, and the field is sprayed evenly, and the field board is kept wet during application. Normal irrigation and field management were restored after 3 days. After chemical removal, if there is still a certain amount of weeds in the later stage, the needle-to-needle method can be adopted to supplement the weeds.

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