High nitrogen application rate and planting density reduce wheat grain yield by reducing filling rat

• 作 者: Yang Liu Yuncheng Liao Wenzhao
• 机 构: CollegeofAgronomy,StateKeyLaboratoryofSoilErosionandDrylandFarmingontheLoessPlateau
• 出 处: 作物学报:英文版
• 发表日期: 2021年2期
• 关键词: Nitrogen Plant density WHEAT Grain filling Sucrose transport
• 基金项目: This work was supported by the National Natural Science Foundation of China(31871567),the National Key Research and Development Program of China(2017YFD0300202-2),the Young Scholar of Tang(2017).

Excessive use of nitrogen fertilizer and high planting density reduce grain weight in wheat.However,the effects of high nitrogen and planting density on the filling of grain located in different positions of the wheat spikelet are unknown.A two-year field