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本文对闽粤栲驯化栽培环节中的采种、育苗、造林和抚育管理技术进行了探索试验,并用分层切割法测定样木地上部分各器官的生物量,用壕沟法测定地下部分根系的生物量。结果表明:10年生林分生物量为76.416t/ha,其中乔木层为76.061t/ha;净生产量为7.642t/ha·a(乔木层7.606t/ha·a),乔木层中树干(包括树皮)、枝、叶和根系的生物量分别为3.938,1.372,0.705和1.591t/ha·a。解析木数据表明:胸径、树高和材积速生期分别出现在7—22年间、4—14年间和从第11年开始,该林分尚属生长旺盛期。
In this paper, we explored the techniques of seed collection, seedling raising, afforestation and tending management in the domestication and cultivation of foxtail millet in Fujian Province. The biomass of each part of shoot aerial parts was determined by stratified cutting method. The biomass of underground parts of roots . The results showed that the biomass of 10-year-old stands was 76.416t / ha, of which the tree layer was 76.061t / ha and the net production was 7.642t / ha · a (7.606t / ha · a) Including bark), shoots, leaves and roots were 3.938, 1.372, 0.705 and 1.591 t / ha · a, respectively. The analysis of wood data shows that the DBH, tree height and the rapid growth rate of woody material occur in 7-22 years, 4-14 years and 11th years, respectively.