introduction

In modern agriculture, compound fertilizers are increasingly favored by farmers and agricultural producers for their high efficiency and comprehensive nutrients. Reasonable application of compound fertilizers can not only significantly improve crop yield and quality, but also improve soil fertility. This article will introduce you to the best application time of compound fertilizers and related fertilization strategies.

What is compound fertilizer?

Compound fertilizer refers to a fertilizer containing two or more nutrients, usually including nitrogen (N), phosphorus (P), potassium (K) and other major nutrients. Its characteristic is that it can provide balanced nutrition required for crop growth and improve the stress resistance and tolerance of crops.

The best time to apply compound fertilizers

The timing of applying compound fertilizers is closely related to the growth cycle of crops. Generally speaking, the best times for application include:

• Before sowing: Applying compound fertilizer before sowing can form a good nutrient base in the soil and provide sufficient nutrients for crop germination and early growth.
• Seedling stage: When the crops grow seedlings, an appropriate amount of top dressing can be applied to promote root growth and improve the crop's stress resistance.
• Jointing stage: At this time, the plant grows rapidly and its demand for nutrients increases. It is suitable to be applied to increase the thickness of the stem and the lushness of the leaves.
• Flowering stage and grain-filling stage: This stage has the greatest demand for nitrogen, phosphorus, potassium and other elements. Timely fertilization can help improve fruit setting rate and fruit quality.

The importance of scientific fertilization

Reasonable fertilization management can maximize the effectiveness of compound fertilizers, including:

• Soil testing: Before fertilizing, the soil should be tested to understand the nutrients and deficiencies of the soil and formulate a scientific fertilization plan.
• Fertilizer ratio: According to the needs of different crops, rationally ratio compound fertilizers. For example, some crops have different needs for nitrogen, phosphorus, and potassium at different growth stages.
• Fertilization methods: Use three-dimensional fertilization, hole fertilization, spray fertilization and other fertilization methods. Choose the appropriate fertilization method according to the growth characteristics of the crops to ensure that the fertilizer can be better absorbed by the crops.

Summarize

The reasonable application timing and method of compound fertilizers are crucial to the growth of crops. Understanding the growth cycle of crops and scientifically arranging fertilization time and amount will significantly improve crop yield and quality. Please always pay attention to the growth of crops to ensure adequate nutrient supply to obtain the best agricultural production benefits.