万亩低产栗园综合增产技术开发阎洪楚，宋学智，解玉选，李乃臻，陆发利，夏建立（临沂地区林业局）板栗是我区的主要经济树种之一，也是山区农民治穷致富的支柱产业。但是由于长期沿用实生繁殖，粗放管理，造成结果晚，品质差，产量低而不稳。为此，林业工作者和果农进行... Chestnut is one of the main economic tree species in our district and also a pillar industry for mountain peasants to get rich and get rich. However, due to long-term use of real breeding, extensive management, resulting in late, poor quality, low yield and instability. To this end, forestry workers and fruit farmers ...