1、Optimized Application of Nitrogen, Phosphorus, and Potassium

The unreasonable application of nitrogen (N), phosphorus (P) and potassium (K) fertilizers not only leads to resource waste and environmental problems, but also affects the normal growth, development, and yield formation of wheat.

2、Exploring phosphorus fertiliser management in wheat production

However, regardless of whether P fertilisers was insufficient or excessive, variety was the most important variable for enhancing P-use efficiency. In conclusion, this analysis is useful for the better management of P fertilisers in wheat production.

3、Optimizing Nitrogen and Phosphorus Fertilizer Application for Wheat

This study observed that phosphorus fertilization alters soil alkali-hydrolyzable nitrogen, available phosphorus, and available potassium, which in turn enhances wheat uptake of nitrogen, phosphorus, and potassium, ultimately influencing grain yield.

4、Effects of phosphorus and potassium fertilizer on grain yield, nutrient

Appropriate P and K fertilization rate (72 kg/hm 2) improved their synergy effect, while excessive rate (144 kg/hm 2) offset or even led to negative impact, such as reducing fertilize efficiency and grain quality.

5、Effects of Nitrogen, Phosphorus and Potassium Deficiency

The absence of either nitrogen, phosphorus and potassium fertilizer would decrease the apparent utilization rate and partial productivity of the other two fertilizers. The results of the...

Response of Wheat Yield and Grain Nitrogen, Phosphorus and Potassium

Compared with the farmers’ fertilizer application rate (FF), the recommended K fertilizer rate (RF) by the test-integrated fertilizer application was decreased at the soil available K level of 150-180 mg·kg -1, and increased at the other levels.

Postponed Application of Phosphorus and Potassium Fertilizers Mitigates

Optimal nutrient management is beneficial in mitigating the harms of LSC by improving wheat root physiology. This study proposed a nutrient management strategy that postponed the application of phosphorus (P) and potassium (K), effectively strengthening wheat’s defense against LSC.

Effect of differentiated phosphorus and potassium fertilization on

During the experiment, the winter wheat grain yields were high and significantly different between both between fertilizer treatments and when compared with the control.

Effect of phosphorus and potassium foliage application post

Phosphorus (P) and Potassium (K) are important nutrient elements that significantly affect the grain weight and grain yield of wheat, and foliage application of K and P is mainly used for wheat production in the northern dryland region of China.

Chapter 10: Fertilizers Used in Wheat Production

In South Dakota, fertilizers are routinely applied to optimize yields. The purpose of this chapter is to discuss the diferent types of fertilizers that are commercially available. Match the fertilizer source and application equipment to the problem. Follow protocols that minimize losses.

Wheat, as one of the world's most important food crops, has critical nutritional element requirements during its growth. Potassium (K) and phosphorus (P) are two essential nutrients that play vital roles in wheat development, yield formation, and quality. Below is a detailed analysis of whether potassium or phosphorus fertilizers are more beneficial for wheat, along with their specific functions:

1. The Role of Potassium Fertilizer

• Promotes Root Development: Potassium strengthens wheat roots, enabling deeper penetration into soil for water and nutrient uptake. Healthy roots improve the plant’s ability to absorb resources, enhance stress resistance, and reduce disease incidence. Robust roots also boost overall plant health and adaptability to adverse conditions.
• Enhances Photosynthetic Efficiency: Potassium stimulates chlorophyll synthesis and increases leaf area, thereby improving photosynthetic rates. Higher photosynthetic efficiency boosts yield and grain quality, allowing wheat to maintain growth momentum in harsh environments. This, in turn, reduces pest and disease risks and minimizes pesticide use.
• Improves Stress Resistance: Potassium enhances tolerance to cold, drought, and diseases, helping wheat withstand unfavorable environmental conditions. Improved resilience reduces yield losses caused by abiotic stresses, ensuring more stable production.
• Boosts Grain Quality: Potassium facilitates starch accumulation, improving grain texture and nutritional value. High-quality wheat commands better market prices, benefiting farmers economically.

2. The Role of Phosphorus Fertilizer

• Stimulates Root Growth: Phosphorus promotes extensive root development, enhancing the plant’s capacity to absorb soil nutrients. Strong roots increase water and nutrient uptake, reduce disease susceptibility, and strengthen overall plant vigor.
• Increases Nitrogen Use Efficiency: Phosphorus optimizes nitrogen absorption and utilization, reducing nitrogen waste. This lowers agricultural costs while maximizing economic returns.
• Supports Protein Synthesis: Phosphorus is crucial for protein formation, particularly in grain proteins. Since proteins are key components of wheat seeds, phosphorus directly impacts both grain quality and yield.
• Reinforces Disease Resistance: Phosphorus strengthens immune defenses, reducing pest and pathogen pressure. This decreases reliance on chemical pesticides, promoting sustainable farming practices.

3. Comparative Analysis

• Potassium Advantages: Dominates in root development, photosynthesis, stress resistance, and grain quality. Enhances overall plant health, environmental adaptability, and yield stability.
• Phosphorus Advantages: Key for root growth, nitrogen efficiency, protein synthesis, and disease resistance. its impact on photosynthesis and grain quality is less pronounced compared to potassium.
• Integrated Perspective: Both nutrients are indispensable but serve distinct purposes. Optimal wheat growth requires balancing potassium and phosphorus based on soil composition, wheat variety, and climate. For example, potassium-rich soils may prioritize phosphorus, while phosphorus-deficient fields may lean toward potassium.

Neither potassium nor phosphorus fertilizers alone are superior for wheat. Potassium excels in root vigor and photosynthesis, while phosphorus focuses on nutrient uptake and protein development. Farmers should tailor fertilization strategies to local conditions, soil tests, and crop needs to achieve maximum yields and quality.