1、Overapplication of Potassium Dihydrogen Phosphate (KDP) in foliar
To assess the effects of spraying potassium dihydrogen phosphate (KH 2 PO 4) on the physiological traits in flag leaves and grain yield (GY) and quality under heat stress during the filling period, we conducted a two-year field experiment in the winter wheat growing seasons of 2020-2022.
2、叶面喷施磷酸二氢钾对赤霞珠（Vitis vinifera L.）类黄酮积累
In current vineyards, potassium dihydrogen phosphate (KH2PO4) is a common foliar fertilizer with the lowest salt index. It is employed to improve the transportation and distribution of grape photosynthetic products, but the mechanism of its effect on fruit flavonoid synthesis is unclear.
3、Foliar spraying KH2PO4 promotes shoot development by inducing stomatal
Potassium dihydrogen phosphate (KH 2 PO 4) as a common foliar fertilizer has been widely used to improve crop yield and quality formation. However, the effect of KH 2 PO 4 on photosynthesis, photoassimilates formation and transportation in tea plants and underlying molecular mechanism remain unclear.
4、Effects of foliar
Results: This study investigated the effects of foliar spraying of KH 2 PO 4 at different developmental stages (1 week before veraison; the end of veraison (EV)) on flavonoid metabolites and related gene expression of 'Cabernet Sauvignon' grape for two consecutive vintages.
5、Spraying KH2PO4 Alleviates the Damage of Spring Low
The low-temperature stress (LTS) in spring results in tremendous yield loss in wheat production, and the application of potassium dihydrogen phosphate (KH2PO4) can alleviate stress-induced damage.
Effect of Foliage Spray of Potassium Dihydrogen Phosphate
Summary Effects of long term K application on crop yield and soil K content and forms in rice wheat rotation were studied. The results showed that long term K application markedly increased crop yield, the balance of the available K in p...
Properties of potassium dihydrogen phosphate and its effects on plants
One of the challenges of the modern world is to improve human nutrition and to safely increase the yield of agricultural production using existing agricultural land. It is clear that sufficient...
How to Deal with Overapplication of Potassium Dihydrogen Phosphate for
To assess the effects of spraying potassium dihydrogen phosphate (KH 2 PO 4) on the physiological traits in flag leaves and grain yield (GY) and quality under heat stress during the filling period, we conducted a two-year field experiment in the winter wheat growing seasons of 2020–2022.
Spraying KH2PO4 Alleviates the Damage of Spring Low
The low-temperature stress (LTS) in spring results in tremendous yield loss in wheat production, and the application of potassium dihydrogen phosphate (KH2PO4) can alleviate stress-induced damage.
Effects of foliar fertilizer additives on grape fruit quality and
In summary, potassium dihydrogen phosphate, as a widely used foliar fertilizer, can effectively improve the plant’s absorption efficiency of nutrients and further improve the quality of grape fruit when combined with adjuvants.
Potassium dihydrogen phosphate (KH₂PO₄) is a commonly used foliar fertilizer, rich in phosphorus and potassium, which provides essential nutrients for crops. excessive application can pose several risks to plants. Below is a detailed analysis of the hazards associated with overusing this foliar fertilizer:
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Excessive Soil Salinity Overapplication of potassium dihydrogen phosphate can lead to elevated soil salinity, adversely affecting crop growth. High salt levels cause soil drying, impair root development, and reduce crop yield and quality.
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Disrupted Nutrient Absorption Excessive use disrupts the soil’s nutrient balance, preventing crops from absorbing essential nutrients. This may result in stunted growth, reduced yields, or even plant death.
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Increased Susceptibility to Diseases Overapplication may promote pathogen proliferation, leading to diseases. For example, excess nitrogen can cause excessive vegetative growth, lodging, or premature aging, while excess phosphorus may trigger mosaic viruses or root rot.
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Impaired Crop Quality Excess nutrients can lead to the accumulation of organic acids, sugars, and other substances in crops, negatively impacting taste, texture, and appearance. Deformities or discoloration may also occur.
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Soil Structure Degradation Excessive fertilizer accelerates organic matter decomposition, compacting the soil and reducing its aeration and water-retention capacity. Over time, this degrades soil fertility and hinders plant growth.
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Resource Waste and Environmental Pollution Overuse increases agricultural costs and environmental risks. For instance, phosphorus runoff into waterways can harm aquatic ecosystems.
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Reduced Yields Excess nutrients spur excessive growth, lowering photosynthetic efficiency. Additionally, high nitrogen levels inhibit root development, further diminishing yields.
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Weakened Stress Resistance Overfertilization reduces a crop’s ability to withstand stress. For example, excess nitrogen lowers cold resistance, making plants vulnerable to frost damage.
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Repeated Impact on Crop Quality
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Extended Growth Cycles Overfertilization prolongs growth cycles by delaying maturity. Excess nitrogen also inhibits root growth, further slowing development.
Excessive potassium dihydrogen phosphate application harms crops in multiple ways. To ensure healthy growth, apply foliar fertilizers judiciously based on crop needs and soil conditions. Additionally, enhancing soil management practices—such as improving water and nutrient retention—can mitigate these risks.
