柑橘老果园改造技术及成效

Improvement Techniques and Effects of Old Citrus Orchards

随着永安市柑橘面积的逐年扩大和种植年限的延长,柑橘老果园问题越来越突出,针对这些老果园,实施以高接换种、.疏株间伐、大枝修剪、测土配方施肥、扩穴改土等综合改造技术措施,不仅有效提高了柑橘产量和质量,且延长柑橘树经济寿命10年以上。

With the yearly extension of citrus planting area and elongation of plantingage, there were more and more problems in old citrus orchards. Aceording to the status of old citrus orchard, some improvement measures should be taken including top graft for new varieties, seedling thining and intermediate cuttings, prunning of large stick, formula fertilization by soil testing, extending the planting hole and improving the soil. It would not only improve yield and quality of citrus but also prolong citrus life to over ten years.