Question

Многие горожане имеют садовые участки на которых выращивают разные культурные растения.Часто в одной и той же теплицы они выращивают огурцы и томаты,в течение ряда лет.Сигодами урожай снижается каковы причины снижения урожая этих растений.Что надо сделать чтобы повысить их урожай?​

Answer 1

Ответ:

Может в разных местах сажать?

Answer 2

Reasons for Decreased Crop Yield in Greenhouses

There can be several reasons for a decrease in crop yield when growing cucumbers and tomatoes in the same greenhouse over a period of years. Some common factors that can contribute to a decline in yield include:

1. Nutrient depletion: Growing the same crops in the same soil for multiple years can deplete essential nutrients, leading to decreased plant health and lower yields. It is important to replenish the soil with organic matter and appropriate fertilizers to maintain nutrient levels [[1]].

2. Pest and disease buildup: Continuous cultivation of cucumbers and tomatoes in the same greenhouse can lead to the buildup of pests and diseases that specifically target these crops. Common pests include aphids, whiteflies, and spider mites, while diseases like powdery mildew and tomato blight can also affect yield. Implementing proper pest and disease management strategies, such as crop rotation, regular scouting, and appropriate pesticide use, can help mitigate these issues [[2]].

3. Poor pollination: Cucumbers and tomatoes rely on pollinators, such as bees, for successful fruit set. In a closed greenhouse environment, natural pollination can be limited. Ensuring proper ventilation and introducing pollinators or manually pollinating the flowers can help improve fruit set and yield [[3]].

4. Inadequate temperature and humidity control: Cucumbers and tomatoes have specific temperature and humidity requirements for optimal growth and fruit development. Fluctuations or extremes in temperature and humidity can negatively impact yield. Maintaining appropriate climate conditions through proper ventilation, shading, and irrigation can help improve crop performance [[4]].

5. Lack of crop rotation: Growing the same crops in the same greenhouse year after year can lead to the buildup of crop-specific pests, diseases, and nutrient imbalances. Implementing a crop rotation plan, where cucumbers and tomatoes are grown in different areas or greenhouses in a rotation cycle, can help break pest and disease cycles and improve overall yield [[5]].

Steps to Increase Crop Yield

To increase the yield of cucumbers and tomatoes in the greenhouse, consider the following steps:

1. Soil management: Regularly test the soil for nutrient levels and pH and amend it with organic matter and appropriate fertilizers to maintain optimal nutrient balance [[1]].

2. Pest and disease management: Implement integrated pest management strategies, including regular scouting, proper sanitation, and targeted pesticide use, to control pests and diseases [[2]].

3. Pollination enhancement: Ensure proper ventilation and introduce pollinators, such as bees, or manually pollinate the flowers to improve fruit set and yield [[3]].

4. Climate control: Monitor and maintain appropriate temperature and humidity levels in the greenhouse through proper ventilation, shading, and irrigation [[4]].

5. Crop rotation: Implement a crop rotation plan to break pest and disease cycles and prevent nutrient imbalances. Rotate cucumbers and tomatoes with other crops to optimize yield [[5]].

By implementing these practices, you can help improve the yield of cucumbers and tomatoes in your greenhouse and ensure healthier and more productive plants.