Effects of Planting Density and Nitrogen Fertilizer on Yield and Nitrogen Utilization of Spring Maize with Whole Plastic-film Mulching on Double Ridges
XU Yue, SHEN Hong-zheng, SUN Wei-qian, LI Shi-lei, MA Xiao-yi
Effects of Planting Density and Nitrogen Fertilizer on Yield and Nitrogen Utilization of Spring Maize with Whole Plastic-film Mulching on Double Ridges
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