The correct answer is - They ensure continued food production.
The sustainable land management practices are very important because they ensure that the land is in good and healthy condition, which in turn means that food production from the same can go on without any problem.
The measures that enable the sustainable land management are not complicated, they are in fact relatively simple, and most of the people involved into agriculture can implement them. In a situation where the world population is constantly growing, and will grow even more, the preservation of the land and keeping in good and healthy condition is crucial. The food demand is constantly rising, which in turn means that all land should be used properly for the long term well being of all people.
