1、Effects of drip irrigation coupled with controlled release potassium

Drip irrigation and the application of controlled-release fertilizers are two effective and important technical measures to conserve water and fertilizer resources and promote the growth and development of maize.

2、Excessive application of chemical fertilizer and organophosphorus

This study targeted presented three proposals to reduce the TP loss from planting, including promotion of scientific fertilization technologies, restriction of organophosphorus pesticides, and ...

3、Effects of Excess Potassium on Plant Health

Excess potassium in soil may result from several factors: Over-fertilization: Applying large amounts of potassium-rich fertilizers without proper soil testing leads to accumulation. Irrigation with High K Water: Using irrigation water containing high levels of potassium salts.

4、Full article: Effect of poor

Different irrigation and fertilization managements can greatly affect plant potassium (K) uptake in soils. A continuous extraction experiment was used to analyze the influence of poor-quality irrigation water on K release from soils under long-term copping with different fertilizations.

5、What Causes High Potassium in Soil?

Understanding the causes of high potassium in soil is crucial for ensuring crop yields, maintaining soil health, and mitigating the environmental impacts of agriculture. In this blog post, we’ll delve into the underlying factors that contribute to high potassium levels in soil.

Effects of drip irrigation coupled with controlled release

Drip irrigation and the application of controlled-release fertilizers are two effective and important technical measures to conserve water and fertilizer resources and promote the growth and development of maize.

Agrochemical pollution: A serious threat to environmental health

To boost production and manage pests during crop cultivation, there has been a heavy reliance on synthetic agrochemicals such as fertilizers and pesticides. Over the past two decades, the global use of these chemicals has increased substantially.

How Excess Potassium Can Affect Plant Nutrient Uptake

Excess irrigation combined with high-potassium fertilizers can lead to leaching losses or salinity issues that worsen nutrient imbalances. Adjust irrigation schedules to maintain optimal moisture without promoting nutrient runoff.

Effect of poor

Different irrigation and fertilization managements can greatly affect plant potassium (K) uptake in soils. A continuous extraction experiment was used to analyze the influence of poor-quality irrigation water on K release from soils under long-term copping with different fertilizations.

A review of the fate of potassium in the soil–plant system after land

Long-term application of such wastewater may cause the build-up of soil potassium and decrease the hydraulic conductivity of the receiving soils. These potential impacts are uncertain and have been inadequately researched.

The harm caused by irrigating soil with high-potassium fertilizers primarily stems from excessive potassium ion concentrations in the soil, which adversely affect plant growth. Potassium is an indispensable nutrient element for plant growth and development, playing a critical role in physiological processes such as osmotic pressure regulation, photosynthesis, and respiration. excessive use of high-potassium fertilizers, especially when applied directly to soil through irrigation in high concentrations, leads to elevated potassium ion levels. This results in the following hazards:

1. Root Toxicity: When potassium ion concentrations in the soil exceed normal absorption levels, potassium accumulation within root cells can cause toxicity. This inhibits root growth, impairs the plant’s ability to absorb water and nutrients, and may even lead to root death in severe cases.

2. Inhibition of Nutrient Absorption: While potassium is beneficial, excessive application suppresses the absorption of other essential nutrients, such as nitrogen (N), phosphorus (P), and magnesium (Mg). This nutritional imbalance disrupts normal plant development.

3. Soil Salinization: High-potassium fertilizers introduce potassium ions that compete with other ions (e.g., sodium, calcium, magnesium) in the soil, increasing their concentrations and creating a saline environment. This hinders root absorption of water and nutrients, degrades soil structure, and reduces fertility.

4. Reduced Soil Microbial Activity: Saline conditions inhibit soil microbial activity, disrupting the decomposition of organic matter and nutrient cycling. This further diminishes soil fertility and nutrient availability.

5. Stunted Plant Growth: Symptoms like slow growth, yellowing leaves, and leaf curling arise from root toxicity, nutritional imbalance, and salinization. Severe cases may result in wilting or plant death.

6. Environmental Pollution: Excess potassium ions can leach into groundwater via rainfall, contaminating drinking water sources. Additionally, overuse generates waste runoff, exacerbating environmental pollution.

To mitigate these risks, apply potassium fertilizers judiciously, tailoring dosages to crop needs and soil conditions. Select potassium formulations suitable for local soils and avoid overapplication. Improving soil health through adjusted irrigation practices and incorporating organic fertilizers can enhance nutrient absorption efficiency and reduce harm.