论文部分内容阅读
过去培育泡桐苗一般要2年出圃,近年来我们通过反复试验,当年可培育成5米高左右的高干大苗,出圃造林。具体做法是: 一、圃地选择:根据泡桐忌水渍的特性,要选地势平坦、光照条件好、不积水、pH值不高于7.5的壤土地作圃地。二、整地作垅:初冬大地封冻前,整平圃地,先灌底水,每亩撒1%的六六六粉5市斤,深犁一遍,再按1米距离挖25厘米深,40厘米宽的沟,把土放在沟的两侧,促使风化。翌春解冻后,在沟内每亩施马粪2,000斤(旨在增温,促使早生根,早发芽出土,增长生长
Paulownia seedling cultivation in the past generally 2 years to nursery, in recent years we through repeated tests, then can be cultivated into about 5 meters tall dry seedlings, nursery afforestation. Specific approach is: First, the choice of garden: According to the characteristics of Paulownia bogey water stains, to be elected flat, light conditions are good, no water, pH value of not more than 7.5 for the soil to nursery. Second, the preparation for the land 垅: early winter earth frozen, the whole flat garden, the first irrigation at the end of the water, per acre sprinkle 1% of the six six six powder 5 jin, deep plow it again, and then dug 25 cm 1 meter distance, 40 Cm wide ditch, put the soil on both sides of the ditch, prompting weathering. After the next spring thaw, in the ditch per mu of horse manure 2,000 kg (aimed at warming, to promote early roots, early germination unearthed, growth and growth