Sure, here’s an article on the recommendation of top dressing in sesame:
Top dressing is a simple yet effective technique for improving crop yields. It involves applying fertilizer to the soil surface or directly to the crop after planting. This is commonly done in crops that require additional nutrition throughout their growth cycle, such as sesame. Sesame is a valuable crop used for its oil seeds, and it is a popular target for top dressing.
One common approach to top dressing in sesame is to use a nitrogen-rich fertilizer. Nitrogen is essential for the development of healthy leaves and stems. Sesame requires nitrogen throughout its growth cycle, but particularly during the vegetative stage. When top dressing with nitrogen-rich fertilizer, it is important to apply the fertilizer at the right time to optimize its efficacy.
It is recommended to apply top dressing fertilizer to sesame in three phases. The first application should be made during the basal phase or at the time of planting. Approximately 30-40% of the nitrogen fertilizer should be applied at this time. The second application should be made during the vegetative phase, when the crop is actively growing. This is typically around two to three weeks after planting, and about 30% of the total nitrogen fertilizer should be applied. The last application should be made during the reproductive phase, when the crop is setting seed. The remaining 30-40% of the nitrogen should be applied at this time.
In addition to nitrogen, sesame also requires other nutrients for optimal growth and crop yield. These include phosphorus, potassium, and zinc. When top dressing with fertilizer, it is important to choose a fertilizer blend that contains these essential nutrients.
To ensure that top dressing is successful, it is important to use the right amount of fertilizer and to apply it correctly. Applying too much fertilizer can lead to nitrogen burn or other adverse effects that can harm the crop. Similarly, applying the fertilizer incorrectly or at the wrong time can also negatively impact crop growth and yield. Therefore, farmers should consult with agronomists or specialists to determine the ideal fertilizer blend and application rate for their sesame crops.
In conclusion, top dressing is an effective method of providing additional nutrition to sesame crops. Using a nitrogen-rich fertilizer in three phases can help optimize growth and yield, while also ensuring that the crop receives other essential nutrients. Remember to apply the right fertilizer at the right time, and to follow recommended application rates. With proper top dressing, sesame farmers can enjoy healthy and profitable crops.