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为了明确钾肥对油茶(Camellia oleifera Abel.)果实性状的影响,本文以长林27号为材料开展试验。结果表明,钾肥用量对油茶果茎和单果质量有提高但是影响不显著。钾肥有利于油茶出籽率和出仁率的提高,180g/株钾肥处理下出籽率和出仁率均达到了最高,分别比对照提高了16.5%、15.2%。钾肥处理对种仁含油率影响不显著,但是能够显著提高鲜果的含油率。180g/株钾肥处理下,鲜果含油率达到最高。综合考虑钾肥对油茶果实性状等指标的影响,最适合油茶果实生长的钾肥用量为180g/株。
In order to clarify the effect of potash fertilizer on the fruit traits of Camellia oleifera Abel., This experiment was carried out on the basis of Changlin No.27. The results showed that the amount of potassium fertilizer on the quality of stems and fruits of Camellia oleifera increased but the effect was insignificant. Potassium fertilizer was beneficial to the improvement of the seed yield and kernel rate of Camellia oleifera, and the highest seed yield and kernel rate were obtained under 180g / potash treatment, which were respectively 16.5% and 15.2% higher than the control. Potassium treatment had no significant effect on kernel oil content, but it could significantly increase the oil content of fresh fruits. Under the treatment of 180g / potash fertilizer, the oil content of fresh fruits reached the highest. Considering the impact of potash fertilizer on the indicators such as the fruit of Camellia oleifera, the optimum amount of potash fertilizer for the growth of Camellia oleifera fruit is 180g / plant.