Jinxin Wang, Xifeng Song, He Zhang, Jianzhu Shao, Jianying Peng, Jianshe Sun 2020. Effect of Integral Control of Water and Fertilization on the Content of Mineral Nutrient in Leaves during Flower Bud Differentiation in Apple. Design Engineering. (Feb. 2020), 343 - 350. DOI:https://doi.org/10.17762/de.vi.37.