The various scientific tools and techniques like GPS, GIS and gen banks could make spatial organisation and landuse planning better.
Explanation:
The model of von Thunen's is made for less developed societies and is an idealistic version of agriculture. It shows how the land and transport costs relate to the market.
Can be used for local circumstances, according to him men behave rationally and gave the concept of an isolated city that is surrounded by river and mountains.
Stable climate and soil quality. Today's technology of farm mechanization and warehousing could shorten the time and distance it would need to make and sell the product.
The presence of well developed and well-linked transportation network could result in help in gro of complex business. The rise of markets could allow for the decentralization of plants.
Their placement because if they're in the less economically developed part then they would have a greater effect but if they're in the more economically developed part better shops are accessible.