我所今年进行了池杉分季扦插试验,现将情况简介如下: 一、春季硬枝扦插 1.圃地准备:圃地前作为水稻,每亩掺细沙200担,经过两犁、两耙多次碎土。12月中旬结合整地每亩喷撒6％可湿性666粉6斤,深翻30—40厘米,任其风 I conducted this year, the test of Ipomoea batus seasonally cuttings, now the situation is as follows: First, the spring hardwood cutting 1. Garden preparation: garden before as rice, 200 mu per mu of fine sand, after two plows, two rakes Repeatedly broken soil. In mid-December with the preparation of acres per 6 acres spray 6% WP 6 kg, deep flip 30-40 cm, the wind