在批林批孔运动的推动下,1974年春,我圃用12斤湿地松种子,育苗1.35亩,9月份调查,保存苗11.11万株,获得平均亩产8.2万株的较高产量,现将我们的育苗措施简介如下: 圃地:选择排灌方便土质肥沃的黄壤土。冬季深翻一次,每亩施猪牛粪30担作基肥。播种前,每亩施40斤石灰和6%六六六粉3斤进行土壤消毒。后碎土平整作畦,畦高6—8寸,宽3—4尺。行距3寸,行宽3寸,行上 In the spring of 1974, under the impetus of the pro-Lin movement, I used 12 kg of Pinus elliottii Seeds and 1.35 mu of seedlings in the spring of 1974. In September, there were 111,100 seedlings of seedlings saved and a high yield of 82,000 plants per mu was obtained. Introduction to our nursery measures are as follows: Garden: choose to facilitate irrigation and fertilization of yellow soil loess. Deep winter turn once per hectare of pig iron manure 30 as basal fertilizer. Before sowing, 40 kg of lime per mu and 6% of 6 6 powder 3 kg soil disinfection. After the formation of soil crushed 畦, 畦 high 6-8 inches, 3-4 feet wide. 3-inch spacing, line width 3-inch, line