图里河林业局各苗圃的落叶松在起苗方法上,过去除了少量进行秋起冬藏外,大多数苗木出圃,都采用了随造随起的方法。可是落叶松放叶早,生长快,与造林任务和时间发生矛盾,尤其到5月中旬后,苗木放叶长,针叶又嫩,加之气温增高,如果对苗木保管工作稍有忽视,针叶就很容易枯萎,因而大大地影 Luli of the nurseries of the Tulihe Forestry Bureau nurtured the seedling growth method. In the past, except for a small amount of autumn and winter seasons, most nursery stock nurseries were used as a recipe for development. However, larvae release leaves early, fast growth, contradictions and afforestation tasks and time, especially to mid-May, the seedling put leafy, tender and tender, and the temperature increased, if the nursery stockkeeping work slightly neglected, needles It is easy to withered, so much shadow