The first one: manure, common ones are sheep manure, chicken manure, rabbit manure, duck manure, etc.

Advantages Low input cost and convenient source.

Disadvantages: Animal manure contains a lot of hormones and eggs of pests and diseases, heavy metals are easy to cause peony

root rot and black pimple head disease, especially if the content of heavy metals is high, it will lead to the death of peony directly.

Inconvenient to use, labor cost increases

Second type: biscuits Commonly used biscuits are soybean biscuits, rapeseed biscuits

Advantages Nutrient-rich, easy to use, widely available

Disadvantages Biscuits are more expensive, same inputs, the amount of biscuits is very small and not very useful. It is easy to hurt the roots without rotting, and because it contains more protein, it is easy to cause tigers and grubs, which will damage the peony roots

The third kind: finished organic fertilizer

Advantages Convenient to use, and good organic fertilizer is rich in nutrients, which can satisfy the nutrients needed by peony in its growth cycle

Disadvantages Nowadays, organic fertilizer is a mixed bag with different raw materials, which can be divided into city trash, sludge, weathered mud, and other raw materials, which can be divided into city trash, sludge, and weathered mud. Garbage, sludge, weathered coal