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Japanese jug (Nuphar japonicum)

Japanese jug (Nuphar japonicum) – aquarium plant of the genus Kubyshka Nymphaeva family (Nymphaeaceae).

Homeland Japanese jugs is Japan, in reservoirs of large islands of which it is widespread plant / em.

Japanese jug – decoration of any aquarium. Its beautiful leaves are broad below and having a deep cut, like arrows.

The color of the plant is green with a tint, one subspecies has a reddish-brown color. In addition to underwater leaves, the plant also has surface ones.

For content Japanese jugs only tropical aquarium. The temperature of the water should not fall below 24 ° C, because in cooler water the growth of the lumps slows down. Optimum water parameters for plant content: stiffness from 6 to 12 °, the reaction is close to neutral – 6.5-7.5.

Particles suspended in water turbidity, settling on the leaves Japanese jugs, are the cause of the death of its leaves. Therefore, water in aquarium must be clean. It is advisable to make regular water changes (up to 3-4 times per month).

Strong water flow in the aquarium should not be created. Particular attention should also be paid to lighting, which should combine both natural and artificial. As sources artificial lighting apply fluorescent lamps in combination with incandescent lamps as sources of red-orange rays of the spectrum.

The power of fluorescent lamps is calculated on the volume of the aquarium and must be at least 0.4 watts per liter of volume. A light day for a plant has a duration of up to 14 hours. For good development Japanese jugs requires silted nutrient soil.

To avoid excessive accumulation of sludge in the soil, it is necessary to suck the dirt using a funnel. The plant develops a powerful root system. Therefore, the soil is laid a layer of not less than 7 cm thick.

The nature of the substrate is not particularly important, but it is still preferable to mix a mixture of coarse sand and pebbles. If the plant needs to be transplanted into a new soil, then it is necessary to additionally add charcoal and clay.

In order to to multiply Japanese jug, it is necessary to separate the part of the rhizome with a rosette of leaves and a lobe of the roots. After that, the plant is sick for some time and stops growing. If you immediately separate several parts, then you can destroy the plant.

The fact is that in this case the rhizome may rot. In this case, it is necessary to remove the diseased tissue, and wash the healthy part with a strong decoction of peat or a weak solution of potassium permanganate.

After this procedure, the plant is planted in the soil containing charcoal.

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