Misuse of vegetable fertilizer and its correction
2025-09-08 02:39:11
Myth #1: The Desire for Immediate Results
Some farmers prefer to use fast-acting fertilizers and pesticides, hoping for quick results. For example, certain foliar fertilizers containing hormones or high-nitrogen compounds can show visible improvements within days of application, which makes them popular among some vegetable growers. However, this rapid growth often comes at a cost. It can lead to imbalances between vegetative and reproductive growth, ultimately reducing overall yield. Another issue is with biological pesticides like avermectin or Bt, which work by targeting insect eggs or inhibiting molting rather than killing pests immediately. These products may not show immediate effects, so many farmers are reluctant to use them. The desire for instant results often leads to overuse of chemical pesticides, resulting in dangerous residue levels that can harm both the environment and consumers.
Myth #2: Chasing New Products Without Understanding
Many vegetable farmers are drawn to new pesticides and fertilizers, thinking they are more effective or advanced. While newer products may help prevent resistance in pests, most are formulated as mixtures, which can increase the total amount of chemicals used. This not only raises the risk of plant damage but also complicates the understanding of their long-term effects. Some products haven’t been thoroughly tested or approved, leading to unpredictable outcomes. Blindly adopting these products without proper knowledge can cause more harm than good.
Myth #3: Overuse of Pesticides and Fertilizers
It's common for farmers to apply pesticides and fertilizers in excessive amounts—sometimes several times or even ten times the recommended dose. This practice often causes crop injury, reduces quality, and lowers yields. Moreover, over-application of chemical fertilizers can lead to soil salinization, making the land less productive over time. This not only increases production costs but also harms the sustainability of farming practices.
Myth #4: Misdiagnosis and Improper Fertilization
A widespread issue among farmers is the inability to accurately diagnose plant problems due to a lack of knowledge in plant protection and soil nutrition. As a result, they often apply incorrect treatments or fertilizers. For instance, when a plant lacks a specific nutrient, another fertilizer might be wrongly applied, causing further harm instead of solving the problem. This can lead to "single salt injury," where one type of salt becomes too concentrated and damages the plant.
Myth #5: Mixing Multiple Pesticides Without Caution
Some farmers tend to mix multiple pesticides, including fungicides, insecticides, and even trace elements, in the belief that it will enhance effectiveness. However, this can actually reduce the efficacy of each product or even cause phytotoxicity, which harms the crops. Proper mixing requires careful consideration of compatibility and dosage, something that many farmers overlook, leading to unnecessary losses.
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