Daily maintenance skills of cactus

Cactus has little requirements for the growth environment, but if you want cactus to blossom, you should make great efforts in light, water and fertilizer, soil and so on

1. Illumination temperature

Cactus has very high requirements for light. If you want cactus to blossom, you must have sufficient light environment and put it on Nanyang terrace or outdoors with direct sunlight

The best growth temperature of cactus is between 20 ℃ and 35 ℃. During spring maintenance, pay attention to ensure air circulation and put it next to the balcony window with good ventilation

2. Water and fertilizer

In spring, the cactus enters the vigorous period of growth and needs a lot of water. It is watered about once a month. Do not spray water, be sure to water from the root, otherwise it is easy to rot the ball

Fertilize once every 20 days in the morning or evening on a sunny day. If the basin soil is dry, sprinkle some water on the basin soil and then apply fertilizer. The effect is better if it is watered once the next morning.  

3. Soil

Potted cactus can be cultivated by mixing 3 parts of rotten leaf soil, garden soil and coarse sand, plus 1 part of plant ash

It is best to change the basin in early spring. When the basin is put on, the bottom of the basin is padded with a layer of broken tiles or gravel about 3cm thick to facilitate drainage

Cactus for pot pruning

1. Basin selection

Red pottery pots, earthenware pots and other flowerpots with good permeability should be selected for planting cactus

As far as possible, use small pots with less soil, so that the pot soil is easy to dry and the root is easy to be in a warm environment, which is conducive to root growth

2. Soil preparation

Ordinary soil, peat soil or rotten leaf soil and coarse sand can be prepared in the proportion of 5:3:2, and a small amount of hydrated lime can be added to increase drainage and air permeability

Red Jade soil, coconut bran soil, coal cinder and river sand can also be prepared according to 2:2:3:3

3. Pruning

1. Prepare all tools

Prepare a lot of fungicides, scissors, tweezers, brushes, knives, etc

2. Basin cleaning

Hold the basin upside down and shake it gently until the soil in the basin is loose. Take out the cactus and gently sweep away most of the soil

3. Pruning and drying

Cut off most of the fibrous roots with scissors, trim them from the root up in the order, and then dry them in the air for about 3-5 days

4. Sterilization upper basin

Brush a layer of carbendazim powder on the pruning part with a cotton swab, and then re bury it in the soil

5. Post management

Don't put it in direct sunlight after putting it in the basin. Choose a cool and ventilated place

After 7 days, soak the basin with a water level of 1-2cm for 15 seconds, and then it can be managed normally after 7 days

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