1. Requirements for fertilizer

Cactus still needs a lot of fertilizer, especially when it grows fast. It requires us to pay attention to some requirements for fertilizer:

(1) If it is rotten fertilizer, and it is completely rotten. Otherwise, it is easy to cause fertilizer damage

(2) Fertilizer should not contain too much salt, otherwise it will also cause harm

(3) Moreover, we should also pay attention to the types of nutrition, mainly fertilizer containing phosphorus and potassium, supplemented by nitrogen

2. What kind of fertilizer

(1) Cake fertilizer: the remaining waste after the extraction of edible oil is called cake fertilizer. Such as pea cake, peanut cake, etc

(2) Animal feces: chicken feces or pigeon feces can be used. Soak them in water, and then only take the supernatant. Cow dung can also be used, but it is mainly used as base fertilizer and mixed into the soil. It can not only supplement nutrition, but also loosen the soil. Human feces and urine are also OK

(3) Bone meal: bone meal and hoof angle are OK. It contains more phosphorus, and the duration of action is long. If it is a hoof angle, first cut it into pieces, and then use blisters

(4) Fish meal: that is, fish intestines, shells and other substances. Pay special attention to low concentration and sufficient maturity

(5) Plant ash: there are many potassium elements, which can be mixed into the soil

(6) Fertilizer purchased: there are many compound fertilizers in the market. They work well and have no pollution