Data on alfalfa and soil physical and chemical properties under the intensive intercropping of alfalfa and millet on the Loess Plateau

This dataset contains the original data of crops and environmental factors in the intensive intercropping system of alfalfa and millet in Yan'an, the Loess Plateau. It includes the yield of alfalfa, the nutrient content of alfalfa, the physical and chemical properties of the soil, and the meteorological observation data during the experimental period.