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九月開學季(下):那些年,8090的“開學課”看除草機行業(yè)
2018-09-04
17:02:31
來源:中國農(nóng)機網(wǎng)原創(chuàng) 閱讀量:48476
評論
【中國農(nóng)機網(wǎng) 編輯視角】9月份,不論是對中小學生還是大學生而言,都是重返校園的重要日子。自2008年起,教育部就與電視臺密切合作,于每年的9月1日新學年開學之際推出大型公益節(jié)目《開學課》。
今年的《開學課》以“創(chuàng)造向未來”為主題,通過“夢想、奮斗、探索、未來”四個篇章,來鼓勵孩子們提高自我的實踐能力、創(chuàng)新思維以及科學素養(yǎng),為自己的夢想而奮斗,積極探索,創(chuàng)造未來。這是屬于90后和00后的“開學課”,那么70后、80后甚至是90后早期的“開學課”你知道是怎樣的嗎?
那些年,8090的“開學課”
作為在農(nóng)村長大的90后一員,小編既有過坐在班里全班一起觀看電視上播放的《開學課》的經(jīng)歷,也有過別具生面的“開學課”。猶記得那還是小學的時候,每次開學,大家進入學校的件事無非是大掃除和給花壇草叢拔草,這就是我們那個時候的“開學課”。
那時候的農(nóng)村學校水泥地面積相對較小,花壇草叢面積大,又沒有請相關(guān)的人員打理,一個暑假過完,里面可以說是雜草叢生。于是,每當開學,除草便成為了“頭等大事”,一些家離學校比較近的同學還會自己帶上小鋤頭。
那個時候,勞動雖然累,但是依然抵擋不住大家重逢的喜悅。一邊說說笑笑,各自講述自己暑假的見聞,一邊勞動,有的還在花壇里尋找是否有“四葉草”,以期能帶來一個學期的好運。現(xiàn)在想想,也不失為一幅和諧而歡樂的畫面,而現(xiàn)在這種場面可以說幾乎是見不到了。這一方面是由于教育的進步,對于學生的管理要求進一步提高,草叢打理這類事情都由專業(yè)人員完成;另一方面也是因為機械除草的進一步推廣,為校園除草降低了難度。
現(xiàn)在的校園里,各綠化區(qū)域再也不用學生去拔草了,大家想必都看到過開著除草機的工作人員。除草機又叫
草坪機,一般都是由刀盤、
發(fā)動機、行走輪、行走機構(gòu)、刀片、扶手及控制部分組成,其工作效率要比人工鋤草提高8至10倍,大大提高了工作效率,同時減輕了勞動輸出,減少了大量的人力資源浪費。
草坪機是將裝有發(fā)動機的刀盤安裝在行走輪上,而發(fā)動機的輸出軸上裝有刀片,工作時刀片利用發(fā)動機的高速旋轉(zhuǎn),對草坪進行修剪。它可以根據(jù)草坪的要求確定剪草后的留茬高度,南方的暖季型草坪留茬一般為3厘米,北方的冷季型草坪留茬高度為5厘米。而除了草坪還有其他的除草機械,我們一起來了解一下。
除草機一般分為掛式、往復(fù)式、旋轉(zhuǎn)式、推車式以及草坪除草機。掛式除草機相對而言結(jié)構(gòu)簡單、輕便、機動靈活;往復(fù)式除草機割茬整齊,但對牧草不同生長狀態(tài)的適應(yīng)性差,易堵塞,適用于平坦的天然草場和一般產(chǎn)量的人工草場;旋轉(zhuǎn)式割草機對牧草的適應(yīng)性強,適用于高產(chǎn)草場,但切割不夠整齊,重割較多;推車式除草機方便輕巧靈活,對不同地形適應(yīng)良好,操作簡單;草坪除草機則是我們上文提到的一般在校園中見到較多,剪草時只能沿斜坡橫向修剪,不能順坡上下來修剪。
小結(jié)
隨著我國市場經(jīng)濟的不斷發(fā)展,我國的除草機行業(yè)也迎來了高速增長時期。而加入WTO,更是使得除草機行業(yè)出口形勢良好,就當前的發(fā)展形勢而言,伴隨著整個經(jīng)濟結(jié)構(gòu)的不斷調(diào)整優(yōu)化,農(nóng)機行業(yè)轉(zhuǎn)型升級,除草機相關(guān)企業(yè)也更加重視品牌培養(yǎng)和技術(shù)創(chuàng)新能力的提高,爭取在市場中占得先機。
另外,目前的除草機大部分還有一個相同的問題,那就是作業(yè)的時候聲音較大,造成一定的噪音污染,想必這個方面后續(xù)有待改進。與此同時,互聯(lián)網(wǎng)和大數(shù)據(jù)的不斷深化推廣,也為智能化除草機提供了發(fā)展機遇,相信在不久的將來,還會有自動化程度更高、操作更舒適的除草機械出現(xiàn)。
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