Effects of Time and Pattern of Deep Tillage on Topsoil Nutrient Content,Yield of Winter Wheat and Summer Maize in Lime Concretion Black Soil
LIU Weiling, CHENG Sixian, LI Na, WU Jian, YANG Li, LI Chaohai, ZHAO Yali
Journal of Henan Agricultural Sciences . 2020, (3): 8 -16 .  DOI: 10.15933/j.cnki.1004-3268.2020.03.002

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