不同基肥处理对油茶优良无性系生长和产量的影响

Effects of different base fertilizer treatments on growth and yield of fi ne clones in Camellia oleifera

为给油茶林的集约高效栽培提供科学理论依据,以国家级油茶优良无性系长林27号和长林53号为试材,进行了2年生油茶嫁接苗新造林施基肥和后期追肥的试验。结果表明,不同基肥处理对油茶无性系生长量和产量均有不同程度的促进作用。经综合分析得出,对油茶无性系生长状况和产量促进作用较好的的施肥方式为:以菜枯0.5 kg/株,或磷肥0.25 kg/株和氯化钾0.1 kg/株,或菜枯0.25 kg/株和氯化钾0.1 kg/株作为基肥,然后逐年分别追肥复合肥0.1 kg/株、鸡粪0.5 kg/株、复合肥0.3 kg/株,其中以菜枯0.5 kg/株为基肥的处理为最佳施肥方式。

In order to provide a theoretical basis for intensive and efficient cultivation of Camellia oleifera forest, taking Changlin No.27 and Changlin No.53 of the National fine clones in C. oleifera as test materials, different base fertilizer and top application experiment in new afforestation of two-year grafted seedlings was carried out. The results show that different base fertilization treatments have promote effects at different degree on increment and yield of C. oleifera clones. The results of integrated analysis conclude that the fertilization way with better effects on growth situation and yield of C. oleifera clones is taking rapeseed dregs 0.5 kg per plant as base fertilizer, or phosphate fertilizer 0.25 kg per plant and potassium chloride 0.1 kg per plant as base fertilizer, or rapeseed dregs 0.25 kg per plant and potassium chloride 0.1 kg per plant as base fertilizer, and then top applying compound fertilizer 0.1 kg per plant, chicken manure 0.5 kg per plant, compound fertilizer 0.3 kg per plant in order year after year, in which taking rapeseed dregs 0.5 kg per plant as base fertilizer is the optimal fertilization method.