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一、化学除莠在林业生产中的意义林业化学除莠是指用化学药剂消灭苗圃和林地上的杂草灌丛。“莠”指人们不需要的植物。它对林业生产危害极大,往往降低造林成活率和保存率;影响育苗的质量和产量,并提高育苗成本;阻碍优良树种的生长,从而降低了林分的利用价值;也有害于森林保护。尽管莠草、莠木危害严重,只要我们用毛泽东思想武装头脑,就能排除万难,改造
First, the chemical herbicides in forestry production significance Forestry chemical herbicides refers to the use of chemical agents to eliminate nursery and woodland weed shrubs. “Ammo” refers to plants that people do not need. It is extremely harmful to forestry production and often reduces the survival rate and preservation rate of afforestation. It affects the quality and yield of seedling raising, raising the cost of nursery, hindering the growth of good tree species, reducing the value of forest stand and detrimental to forest protection. Although weeds and grasses are seriously harmed, as long as we arm our minds with Mao Tse-tung’s thought, we can eliminate all difficulties and remodel