Daily dynamics of photosynthesis in alfalfa varieties under dry farming conditions Research progress on the dual-mulching of ridge and furrow technology in dry farming regions of northern China: A review. Influence of water storage capacity on yield of winter wheat in dry farming area in the Loess Plateau Stability of alfalfa and wheatgrass pasture under dry farming in a pastoral agronomy area Mineral nitrogen in soil profiles under long-term wheat cultivation and alfalfa continuous cropping in the dry farming area