Carrot radishes, which belong to the radish genus, have a very short growth cycle—typically only 7 to 14 days. Due to this brief growing period, the use of chemical pesticides is strictly prohibited in their cultivation. Instead, farmers must rely on biological control methods, such as integrated agricultural practices. For instance, silver-gray shading nets are commonly used throughout all weather conditions to protect the crops from pests and environmental stress.
In contrast, "drum radish" has a longer growth period, ranging from 20 to 40 days. During hot and dry seasons, it is more susceptible to serious pest infestations, such as aphids and cabbage caterpillars. In such cases, chemical pesticides may be used as a last resort, but they should be applied at least 10 days before harvest. Pesticides like dichlorvos, phoxim, cypermethrin, deltamethrin, and fenvalerate must be used strictly according to the guidelines for pollution-free vegetable production. Detailed application methods can be found in the guidelines for Chinese cabbage and other leafy vegetables.
It is highly recommended to prioritize biological control methods, especially the use of silver-gray shade nets, which provide effective protection under all weather conditions. This approach not only ensures safer produce but also supports sustainable farming practices. By focusing on natural pest management techniques, farmers can maintain high-quality yields while minimizing environmental impact.
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