What fertilizer is best for sunflower?

Oil sunflower fertilization time

Generally speaking, sunflower fertilization is mainly concentrated in spring and summer every year, because these two seasons are the periods of vigorous plant growth and require sufficient nutrients to grow, so fertilizers need to be applied in time at this stage.

What fertilizer to use for oil sunflower

Normally, sunflowers need to be given fertilizers containing nitrogen, phosphorus and potassium to ensure their normal growth. If nitrogen fertilizer is applied to sunflowers, it can promote the growth of the plant's branches and leaves.

In addition, applying appropriate phosphorus fertilizer to oil sunflower can promote the growth of plant roots and the growth of new shoots, while applying potassium fertilizer can improve the plant's disease resistance and increase yield and quality.

Oil sunflower fertilization method

Oil sunflower absorbs less fertilizer in the early stage and more in the later stage, so the amount of fertilizer needs to be controlled when fertilizing the plant. In addition, it requires more potassium, followed by nitrogen, and the least phosphorus. Usually during the flowering period, you can combine watering and digging trenches to apply fertilizer, apply urea and potassium sulfate, and the fertilization depth is about 10 cm.

Matters Needing Attention in Fertilizing Oil Sunflower

When fertilizing sunflowers, it is best to follow the principle of absorbing nutrients in a certain proportion. It is necessary to coordinate the various nutrients and never apply fertilizer alone, otherwise it will cause the plant to lack a certain element and affect normal growth.