Watercress green is a perennial herb with a plant height of 15-20 cm. No main stem. Leaves clustered, stem meat is thicker, obovate, gray-green mixed with dark green veins. Spikes, grayish white. The cultivar has a variegated type, and its leaf flesh has a blush; the leaf type is green in the middle of the leaf, the edge is a wide golden yellow rim; the bright leaf type, the leaf heart shape, and the metallic luster. The wrinkled leaf type, the veins are deeply sunken, forming a wrinkled leaf surface, which is extremely interesting.

Watercress green farming method

1, the suitable temperature of watercress green is between 18 ~ 32 ° C, especially between 20 ~ 28 ° C is most suitable. In the indoor maintenance, it can be properly shaded in summer, and sufficient light can be given in other seasons to obtain robust plants. Adjusting the temperature requires air conditioning and heating in the room. Of course, there will be no heating in the Dongguan area.

2, the principle of watering all year round is: the topsoil can be poured through the dry, only when the temperature drops below 15 ° C, the surface soil should be dried for a day or two before pouring water. Don't make rigid intervals to water, it's unscientific.

3. Your green leaves of the watercress are soft. I think that one is due to the indoor temperature being lower than 10 °C or the cold wind blowing at the window. Second, since the room temperature is lower than 18 ° C and higher than 8 ° C, when the growth is slow, the water is not poured when the topsoil is dried, that is, the potting soil is still wet when watering! ! Third, the room temperature is not high, but you have fertilized it! The fourth is caused by long-term accumulation of water in the bottom tray.

Douban green farming considerations

1. Soil: Douban green grows in loose, fertile, well-drained and humus-rich sandy soil, which is not suitable for growing in clay, so the matrix is ​​usually mixed with humus soil, river sand and a small amount of decomposed organic fertilizer. A better matrix can be mixed with optional peat soil and perlite.

2, watering: Douban green is more like water, not tolerant to drought, watering in the growing season, the temperature is higher than 25 ° C or helium should be more water when drying, but also to prevent waterlogging, the temperature is lower than At 25 °C, the surface of the potting soil should be re-perfused when it is dry. When the temperature is lower than 10 °C, it can be dried for several days without watering.

3, Humidity: Douban green hi-wet growth environment, growing under luxuriant environment conditions, bright leaves, high temperature or dry when the suffocating air should strengthen the foliar spray or sprinkle water in the growing environment to maintain High radon humidity is extremely beneficial to plant growth. It can also adapt to a short dry environment, but it should not be long-lasting, generally should be kept at around 70%.

4, temperature: Douban green warm environment, growth temperature is between 20-30 ° C, the winter temperature is best kept above 10 ° C, stop growth below 10 ° C, 5 ° C below freezing damage.

5, the sun: Douban green hi-yin or scattered light, in addition to the need for sufficient light in winter, other seasons need to be slightly shaded, especially in summer, more shade. If placed in a shaded environment, it is not advisable to grow up, grow between branches, and reduce ornamentalism. Under semi-yin conditions, the leaf color is brighter and the gloss is better, especially for the variegated varieties, and the demand for sunlight is slightly higher.

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