等氮量分次追施对盆栽红富士苹果叶片衰老及15N-尿素吸收、利用特性的影响
丁宁, 姜远茂, 彭福田, 陈倩, 王富林, 周恩达
Effect of Topdressing Nitrogen Application on Leaf Senescence  and 15 N-Urea of Absorption, Distribution and Utilization in Potted ‘Fuji ’Apple
DING Ning, JIANG Yuan-Mao, PENG Fu-Tian, CHEN Qian, WANG Fu-Lin, ZHOU 恩Da
中国农业科学 . 2012, (19): 4025 -4031 .  DOI: 10.3864/j.issn.0578-1752.2012.19.014