大石早生李原产日本,该品种进入结果期早、成熟上市早、品质优良,具有很强的市场竞争力,经济效益和社会效益十分显著[1]。1994年,......

[Ohjective] The aim of the study is to investigate the productivity and light quality in two high density M26 dwarf root......

兼答甘肃读者任双林核桃修剪要避开伤流期,适宜修剪时期应在采收后至叶片变黄以前。晚实类型多用疏散分层形,早实核桃多用自然开心......

霍城县逆温带是指海拔高度在800~1 300m的沿山地带,冬季气温较平原区高3~5℃,桃可不埋土直立越冬,是桃栽培适宜区,生产出的果品通......

[Ohjective] The aim of the study is to investigate the productivity and light quality in two high density M26 dwarf root......