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材料与方法:选择于1997年播种(英格兰,缅因州)的植物,分别移植于11.5L盆内。盆内充满无污染混合物,含有研磨过的松树皮、泥炭藓、粗珍珠岩、粗金精石、沙子、缓慢释放的氮气、微量营养素混合物等。将所有花盆进行完全随机区组设计,并进行个体滴注灌溉。实验组于1998年生长季节?
Materials and Methods: Plants planted in 1997 (England, Maine) were transplanted in 11.5L pots. The bowl is filled with a non-contaminated mixture of ground pine bark, peat moss, rough perlite, coarse gold fines, sand, slowly released nitrogen, micronutrient mixes and the like. All pots were completely randomized block design, and individual drip irrigation. Experimental group in 1998 growing season?