求翻译：对广东62个市、县农业技术推广部门的负责人与165位乡镇农业技术推广员的调查与访谈表明，农技人员数量缺乏、文化素质较低且培训滞后，工作条件和设备欠缺，推广经费缺乏，职能界限不清晰，推广方式传统，技术来源不足，这些因素严重制约着农业技术效率的进一步提高与发展，急需各层级政府通过政策予以改善。是什么意思？

On Guangdong 62 a city, and County agricultural technology promotion sector of heads and 165 bit Township agricultural technology promotion member of investigation and interview indicates that, agricultural personnel number lack, and culture quality lower and training lag, work conditions and device lacks, promotion funding lack, functions boundaries not clear, promotion way traditional, technology sources insufficient, these factors serious restricting was agricultural technology efficiency of further improve and development, needed all level Government through policy be improve.