Soilless cultivation method of lotus bowls

Bowl lotus, also known as white lotus, hibiscus, lotus, etc., is a perennial aquatic herb of the family Nymphaeaceae. It is not only colorful, fragrant and overflowing, but also has strong adaptability. Since ancient times, it has been a precious aquatic flower in the palace garden and private garden. It is becoming more and more popular in today's modern landscape architecture. Let's take a look at the soilless cultivation methods of lotus.

Cultivation advantages

Soilless cultivation of lotus can avoid soil-borne diseases and insect pests, topdressing inorganic fertilizer, tasteless and odorless, no mosquitoes and flies, clean and hygienic. Moreover, the lotus cultivated in soilless culture has the advantages of thick green leaves, many and large flowers, bright color and long flowering period, and has the advantages of easy operation and easy to grasp, so it is most popular among family flower lovers.

Sowing time

The lotus seed of bowl lotus has no dormancy period. As long as the water temperature can be kept above 16 ℃, it can be sown in four seasons. Under suitable temperature and light, it takes 50-60 days from sowing to flowering in spring and 60-80 days in autumn.

Seed treatment

The shell of the lotus seed is hard and dense, and it must be artificially broken before soaking the seed. There is a small protruding tip on one end of the lotus seed and a small concave spot on the other. Wear out the small concave end and wear out a layer of skin on the rough cement floor, be careful not to hurt the kernel inside, and don't shell it. The purpose of skin grinding is to let water seep in through this gap, so that the seed absorbs water and expands.

Soaking seeds to accelerate germination

Soak the seeds with broken shells in warm water of about 20-40 degrees. When the water temperature is lower than 20 degrees, the seed germination and growth is too slow, and when the family soaks a small amount of seeds, it can be put into a thermos to keep warm. The speed of germination is also related to the temperature. under the condition of 30 degrees, generally soaking seeds to accelerate germination for 3-5 days, the germ protrudes from the breach. During this period, change the water every 1-2 days. In general, as long as the seed coat can absorb water and expand, it can sprout.

Container selection

The soilless cultivation of bowl lotus can choose a round goldfish glass tank, which is wrapped with black cloth or black paper and then wrapped with a layer of white paper to prevent all kinds of algae in the solution from reproducing in the sun and to prevent the underground rhizome of bowl lotus from turning green and affecting flowering. opaque glaze pots, porcelain pots, purple sand pots can also be used.

Sowing method

The key to sowing seeds for soilless cultivation of lotus is to fix the seeds with a suitable substrate so that they will not float in the water (such as fine sand around the seeds, softness does not hurt the roots, and pebbles elsewhere). The cultivation substrate is sterile water, slag, sand (clean coarse sand or Yuhua stone), etc.

Timely fertilization

Inorganic fertilizer is mixed into a suitable aqueous solution, and the nutrient solution containing elements such as nitrogen, phosphorus, potassium, calcium, magnesium and zinc is applied once a week. Phytonutrients prepared by Beijing Botanical Garden of the Chinese Academy of Sciences can also be used to prepare compound fertilizer tablets commonly used in potted flowers. Can also use ternary compound fertilizer, once every semimonthly, 3-5 tablets each time.

Reasonable pruning

When the leaves of the bowl lotus grow too much and too dense, you can properly remove some of the leaves to facilitate the plant to breathe and help the flowers. When using the same container for multiple culture, when it is found that the leaves compete for strong sunlight, they should be cultured in separate pots in time.