I thought the larger trees managed more carbon as well as trapping water, but maybe I'm wrong on that.
It was just an interesting counter argument I heard to have a kind of managed forest with grazing animals for food. I think they also suggested this would be better for the land itself instead of crops slurping up what little nutrients are in the ground or that it would have better bacteria in the soil.
Also, might nesting birds eat up and manage insect pests?
https://medium.com/environmental-int...ds-a064aead239
A tree grows tall and deep, spreading both its branches above the ground and its roots underground, therefore it makes the ground fresher and softer for other plants to settle. The roots increase the soil drainage and aeration, some trees can even fix nitrogen and enrich the soil. The leaves and branches of the tree shadow the ground and reduce the soil evapotranspiration and thus reduce the need for irrigation. A tree is the home of various living beings such as insects, birds and plants.
A tree is also great for farmers. It can be a source of food and medicine for home, and a source of fodder for the livestock. The wood can also be burnt and used to cook or warm up the house. A tree is definitely a valuable companion, so why are farmers neglecting it?
First, the period necessary for a tree to reach its productive stage is long. Fruit trees often need more than 3–5 years to start producing, and their optimum productive age comes even later. Farmers want to grow fast cash crops which will give them a sufficient income to send their children to school and university.
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