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五種類型樹木前景廣闊
Five types of trees have broad prospects
今年?yáng)|北綠化隨著工程量的增加，對(duì)苗木有很大需求，其中，我認(rèn)為五個(gè)品種前景最廣闊。一是鄉(xiāng)土樹種東北地區(qū)很多鄉(xiāng)土樹種因生長(zhǎng)慢、繁殖難，常都被忽視而一些城市建設(shè)部門盲目引進(jìn)外來(lái)樹種，更是走入了綠化誤區(qū)。如今，很多人開始將目光轉(zhuǎn)向鄉(xiāng)土樹種，如大葉樸、小葉樸、遼東櫟、蒙古櫟以及一些槭樹科鄉(xiāng)土品種，這些樹種適應(yīng)性強(qiáng)，將在綠化中唱主角。
With the increase of engineering quantity, there is a great demand for seedlings in Northeast greening this year. Among them, I think five varieties have the widest prospect. First, native tree species. Many native tree species in Northeast China are often ignored because of slow growth and difficult reproduction. However, some urban construction departments blindly introduce foreign tree species, which leads to the misunderstanding of greening. Nowadays, many people begin to turn their attention to native tree species, such as magnolia, Magnolia, Quercus liaotungensis, Quercus mongolica and some Aceraceae native species, which have strong adaptability and will play a leading role in greening.
二是觀花小灌木以及觀果苗木。城市要真正靚麗起來(lái)，少不了應(yīng)用有花的植物來(lái)進(jìn)行點(diǎn)綴州苗木  保定電動(dòng)門 保定空壓機(jī) 化糞池模具 微型蠕動(dòng)泵 保定強(qiáng)夯 收費(fèi)島模具，像山桃、山杏山梨、山楂等觀花時(shí)間長(zhǎng)的小喬木在綠化市場(chǎng)上不可或缺。而一些觀果的喬木品種如忍冬等如能進(jìn)行適當(dāng)應(yīng)用綠化效果則更豐富。
The second is small shrubs and fruit seedlings. If a city wants to be really beautiful, it is necessary to use flowering plants to decorate it. Small trees with long viewing time, such as peaches, apricots, pears and hawthorn, are indispensable in the green market. Some ornamental tree species, such as Lonicera japonica, are more effective if they can be used properly.
三是色葉樹，金葉白蠟春季葉片金黃，夏季變成黃綠，秋季落葉期呈金黃色，整個(gè)生長(zhǎng)季葉片顏色艷麗。在城市的休閑公園中應(yīng)用前景廣闊。
The third is the color leaf tree. The leaves of Fraxinus chrysanthus are golden in spring, yellow green in summer and golden yellow in autumn. It has a broad application prospect in urban leisure parks.
四是耐陰樹種，如今城市高樓林立，城市急需耐陰樹種，如莢蒾、遼東衛(wèi)矛等。
The fourth is shade tolerant tree species. Nowadays, there are many tall buildings in the city, and the city urgently needs shade tolerant tree species, such as Podocarpus, Euonymus liaotungensis, etc.
五是珍貴樹種，如東北紅豆杉、銀杏、華山松等，這些樹種大多價(jià)格高、生長(zhǎng)慢，但觀賞價(jià)值高，在城市公園中起點(diǎn)綴作用。城市中以鄉(xiāng)土樹種為主打，引進(jìn)三至四種外來(lái)珍貴品種更能彰顯綠化水準(zhǔn)。
The fifth is precious tree species, such as Taxus cuspidata, Ginkgo biloba, Pinus armandii and so on. Most of these tree species have high price, slow growth, but high ornamental value, and play an important role in urban parks. The introduction of three or four kinds of exotic precious species can highlight the greening level.