Soil erosion is a major challenge faced by agriculture in hilly areas due to the steep slopes and high rainfall, which can lead to the loss of valuable topsoil.

Terracing, contour farming, and agroforestry are all practices that can be used to overcome the challenges of topography in hilly areas and increase agricultural productivity.

Terraces are primarily constructed to prevent soil erosion by reducing the slope of the land and creating a series of level steps.

Contour farming is a practice in which crops are planted along the contours of the land, rather than up and down the slope, in order to reduce soil erosion.

Agroforestry is a land management system that integrates trees and shrubs with crops and/or livestock. It can be practiced in a variety of ways, including planting trees on the boundaries of agricultural fields, intercropping different crops in the same field, and growing crops and livestock together on the same land.

Drought is a major challenge faced by agriculture in plateau regions due to the lack of adequate rainfall and the high evaporation rates.

Rainwater harvesting, drip irrigation, and dry farming are all practices that can be used to overcome the challenges of drought in plateau regions and increase agricultural productivity.

Dams are constructed in plateau regions for a variety of purposes, including generating hydroelectric power, providing irrigation water, and controlling floods.

Drip irrigation is a method of irrigation in which water is applied directly to the roots of plants, rather than being sprayed over the entire field. This method reduces water usage and improves water infiltration.

Dry farming is a type of agriculture that is practiced in areas with low rainfall. It involves a variety of practices, such as growing crops that are tolerant to drought conditions, using mulches to conserve soil moisture, and planting crops in rows to reduce evaporation.

Salinity is a major challenge faced by agriculture in coastal regions due to the intrusion of seawater into freshwater aquifers and the accumulation of salts in the soil.

Aquaculture, salt farming, and agroforestry are all practices that can be used to overcome the challenges of salinity in coastal regions and increase agricultural productivity.

Embankments are constructed in coastal regions for a variety of purposes, including preventing flooding, reclaiming land from the sea, and creating new agricultural land.

Aquaculture is the cultivation of fish and other aquatic organisms in controlled environments. It provides food for coastal communities, generates income for coastal communities, and helps to conserve wild fish stocks.

Salt farming is the process of harvesting salt from seawater. It is a traditional practice that has been carried out in coastal regions for centuries.