Topography in agriculture: land surveying in farming
Topography in modern agriculture helps farmers understand the land and design efficient cropping systems: irrigation, crop selection, terraces and fertiliser.
Topography is an essential tool in modern agriculture. It allows farmers to understand the characteristics of the land and design efficient cropping systems. Below are some of the ways in which topography is used in agriculture.
Irrigation system design
Topography is used to design irrigation systems that ensure water reaches the plants evenly. To do this, topographic maps are used to identify the location of the higher and lower areas and determine the direction of water flow.
Crop selection
Topography is also used to determine which crops are suitable for a given area. For example, steep slopes may not be suitable for crops that need flat ground, while low lying areas may be favourable for crops that need more water.
Terrace design
Terraces are used to prevent soil erosion and improve crop productivity. Topography is used to design terraces that follow the contour lines of the land, which reduces the speed of the water and helps to retain soil and nutrients.
Determining fertiliser quantities
Topography is also used to determine the right amount of fertiliser to apply to a given area. Topographic maps are used to identify areas with different nutrient levels, which makes it possible to apply the right amount of fertiliser in each area.
Crop planning
Topography is used to plan the location of crops according to their soil and water requirements. For example, plants that need more water can be planted in the lower areas, while those that need less water can be planted in the higher areas.
In short, topography is an essential tool in modern agriculture. Its use allows farmers to understand the characteristics of the land and design efficient cropping systems that ensure optimal crop production.
Tags georreferenciacionlevantamiento topograficomapaplanotopografia
Written by Vicent Doménech, geodesy and cartography engineer, chartered surveyor no. 8948.