There are two types of commonly used fertilizers
(1) Organic fertilizer. It is usually divided into animal organic fertilizer and plant -based organic fertilizer. Animal organic fertilizer includes human feces, poultry and animal, and bone meal, fish, meat, and egg waste. Botanical organic fertilizers include bean cakes and other cake fertilizers, sesame sauce residue, weeds, leaves, green fertilizers, Chinese herbal medicine residues, and lees. Both types of fertilizer are delayed fertilizers, with comprehensive nutrients and long fertilizers. It must be applied after fermentation and rotten before use.
(2) Inorganic fertilizer. It is made of chemical synthesis or fertilizers rich in mineral nutrient elements that are processed by natural ore. Such as nitrogen fertilizer includes urea, ammonium sulfate, ammonium chloride, ammonium nitrate, etc. Phosphate fertilizer includes excessive calcium phosphate and phosphate powder. Potassium fertilizer potassium chloride, potassium sulfate, etc. The fertilizer is fast, but the fertilizer is simple; fertilizer is violent, but it is not lasting. Except for phosphorus fertilizer, general fertilizer is used for topdressing.
How to make self -made fertilizer
In daily life, there are many wastes that can be used to make self -made fertilizers:
(1) Soaking liquid fertilizer. Use small tanks (or small altar) to put waste leaves, fruits, chicken and fish, etc., fish scales, waste bones, eggshells, and moldy foods (peanuts, melon seeds, beans, beans, bean flour *) in it , Add water and sprinkle a little rivals in the back of the back. It can be used after high temperature fermentation and rotten. Take the liquid liquid and add water to dilute it before it can be applied. Changes can be mixed with old waste soil, add some water, put them in large plastic bags, and place it tightly for a period of time. After fermentation, use it.
(2) waste compost. Choose an appropriate place to dig a pit, 60 cm to 80 cm deep, cushion 10 cm furnace ash. Put it in the pit, sprinkle some pesticides, and cover a layer of about 10 cm thick garden soil on it to keep the pits moist to promote fertilizer rot. It is best to pile up in autumn and winter. When the spring is rotten and rotten and non -bad gases in spring, you can mix into the cultivation soil as base fertilizer; it can also be used with 4 mm sieves and rubbing into group grains while wetting. base fertilizer.