Effects of Fertilization Level and Planting Density on Yield and Quality of Summer-sowing Soya in Mountainous Areas of Hebei
LIU Yuan1, LI Wenlong1, LI Xihuan1, WANG Ruixia2,
Journal of Agricultural Science and Technology . 2017, (8): 115 -123 .  DOI: 10.13304/j.nykjdb.2016.658

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