What is one of the main advantages of using windbreaks and wind strips?

One of the main advantages of using windbreaks and wind strips is that they create a microclimate. Windbreaks are designed to obstruct wind, which can help to moderate temperature fluctuations and protect crops from wind damage. By reducing wind speed, these structures prevent the drying effects of wind, leading to higher humidity levels and more stable temperatures in the areas immediately surrounding them. This microclimate can lead to improved growing conditions for plants, allowing for better moisture retention in the soil and protection from harsh weather extremes.

The other options do not capture the primary function of windbreaks. They do not inherently reduce the number of crops or directly protect crops from excessive water, nor do they specifically improve soil salinity. Windbreaks are primarily focused on controlling wind and its effects on the microenvironment of the crops.