Fertilize according to the physiological balance principle of flowers

On the premise of meeting the demand of nitrogen fertilizer, fruit viewing flowers should pay attention to the proportion of phosphorus and potassium fertilizer; Apply potassium fertilizer on the basis of flower leaves; Flower watching flowers are mainly nitrogen fertilizer, combined with phosphorus and potassium fertilizer, trace elements and rare earth fertilizer

Fertilization according to different growth and development stages of flowers

Perennial flowers need a lot of nitrogen fertilizer in the rapid growth stage of seedlings, and pay attention to supplement phosphorus and potassium fertilizer at the same time. Generally speaking, nitrogen fertilizer is applied during the growth period of flowers. There is no need to apply fertilizer during flowering. Phosphorus and potassium fertilizer should be applied before flowering and topdressing after flowering

Take Rhododendron as an example

When Rhododendron is cultivated as a potted plant, base fertilizer should be applied before planting and phosphorus and potassium fertilizer should be applied before flowering to promote the formation and flowering of flower buds; After the Rhododendron withers, the fertilizer dominated by nitrogen fertilizer should be applied to promote the growth of branches and leaves. After the new branches and leaves are lignified, the fertilizer dominated by phosphorus fertilizer and combined with nitrogen and potassium fertilizer should be applied; Rhododendron does not need fertilization in winter dormancy period. The application of fertilizer dominated by phosphorus fertilizer before flowering can make the flowers of the plant colorful

Fertilize according to different growing seasons of flowers

Base fertilizer can be applied in spring and autumn, and phosphorus fertilizer can be applied appropriately; The application of nitrogen fertilizer when flowers sprout and pull leaves in spring can ensure the nutrition of plants and make them grow vigorously; After entering the summer, many woody flower buds begin to differentiate. At this time, it is necessary to ensure the supply of phosphorus and potassium fertilizer and control the amount of phosphorus fertilizer< span>