Question

Чому тривале вирощування одного виду рослин на одній ділян- ці може негативно вплинути на продуктивність агроценозу?​

Answer 1

Ответ:

через вичерпання поживних речовин, що сприяють вирощуванню

с тебя лучший ответ <З

Answer 2

The Negative Impact of Monoculture on Agroecosystem Productivity

Monoculture refers to the practice of growing a single species of plants on a particular piece of land. While it may have certain advantages, such as simplified management and increased efficiency in harvesting, there are several negative impacts that can arise from prolonged monoculture practices. These negative effects can have a detrimental impact on the productivity of the agroecosystem.

1. Soil Depletion: Growing the same crop repeatedly in the same area can lead to the depletion of essential nutrients in the soil. Different plant species have varying nutrient requirements, and when the same crop is grown continuously, it can deplete specific nutrients from the soil, leading to imbalances and reduced fertility. This can result in decreased crop yields and lower overall productivity of the agroecosystem.

2. Increased Pest and Disease Pressure: Monoculture creates an ideal environment for pests and diseases that specifically target the cultivated crop. When a single crop is grown continuously, pests and diseases that are specific to that crop can build up in the soil and surrounding environment. This can lead to increased pest and disease pressure, making the crop more susceptible to outbreaks and reducing its productivity.

3. Loss of Biodiversity: Monoculture systems often result in a loss of biodiversity. By growing only one type of plant, the diversity of plant species in the area is reduced. This can have cascading effects on the ecosystem, including the loss of beneficial insects, pollinators, and natural predators of pests. The reduction in biodiversity can disrupt the balance of the agroecosystem and make it more vulnerable to disturbances.

4. Soil Erosion: Monoculture can contribute to increased soil erosion. When the same crop is grown repeatedly, the soil is left bare for extended periods between planting cycles. This exposes the soil to erosion by wind and water, leading to the loss of topsoil and nutrients. Soil erosion can reduce the soil's ability to retain water and nutrients, negatively impacting crop growth and productivity.

5. Increased Reliance on Chemical Inputs: Monoculture systems often require increased use of chemical inputs, such as fertilizers and pesticides, to maintain crop productivity. This reliance on chemicals can have negative environmental impacts, including water pollution and harm to non-target organisms. Additionally, the cost of these inputs can be a financial burden for farmers, affecting their profitability.

In conclusion, prolonged monoculture practices can have several negative impacts on the productivity of agroecosystems. These include soil depletion, increased pest and disease pressure, loss of biodiversity, soil erosion, and increased reliance on chemical inputs. To mitigate these negative effects, farmers can adopt practices such as crop rotation, intercropping, and agroforestry, which promote biodiversity, improve soil health, and reduce pest and disease pressure.