![]() ![]() |
澳大利亞混合農業農事安排 |
作者:李志秀 文章來源:網絡 更新時間:2015/8/4 14:43:24 |
|
澳大利亞(ya)混(hun)合(he)農業的(de)(de)一(yi)個(ge)(ge)(ge)顯(xian)著特點(dian)是(shi)(shi)(shi):小(xiao)麥(mai)種(zhong)(zhong)(zhong)(zhong)(zhong)植和(he)(he)綿(mian)(mian)(mian)羊飼(si)(si)(si)養(yang)兩(liang)種(zhong)(zhong)(zhong)(zhong)(zhong)生產方式結(jie)(jie)合(he),可以(yi)(yi)有(you)效地利用時(shi)間安排(pai)(pai)農業生產活動(dong)。教材中通過一(yi)幅(fu)圖(tu)(tu)(tu)表(biao)給予(yu)了準確表(biao)述。在(zai)學(xue)習中,學(xue)生普遍反(fan)映能看懂但記不(bu)住(zhu)。針對(dui)這(zhe)(zhe)一(yi)問題,可以(yi)(yi)這(zhe)(zhe)樣進行解(jie)讀(du)(du)突(tu)破。 首先(xian),讓學(xue)生閱讀(du)(du)圖(tu)(tu)(tu)表(biao)思考(kao),小(xiao)麥(mai)種(zhong)(zhong)(zhong)(zhong)(zhong)植和(he)(he)綿(mian)(mian)(mian)羊飼(si)(si)(si)養(yang)都有(you)哪些生產環(huan)節?這(zhe)(zhe)些生產環(huan)節按照生產規律是(shi)(shi)(shi)怎(zen)樣排(pai)(pai)序的(de)(de)?小(xiao)麥(mai)種(zhong)(zhong)(zhong)(zhong)(zhong)植:犁(li)地——播種(zhong)(zhong)(zhong)(zhong)(zhong)——生長(chang)(chang)——收(shou)(shou)割,綿(mian)(mian)(mian)羊飼(si)(si)(si)養(yang):在(zai)牧(mu)場(chang)上(shang)放牧(mu)——配種(zhong)(zhong)(zhong)(zhong)(zhong)——剪(jian)羊毛——在(zai)收(shou)(shou)割后的(de)(de)麥(mai)田上(shang)放牧(mu)。 然后,引導(dao)學(xue)生參照圖(tu)(tu)(tu)表(biao),得出各(ge)生產環(huan)節的(de)(de)月(yue)(yue)份(fen)數(各(ge)有(you)幾個(ge)(ge)(ge)月(yue)(yue))。學(xue)生通過閱讀(du)(du)圖(tu)(tu)(tu)表(biao)可以(yi)(yi)得出,小(xiao)麥(mai)種(zhong)(zhong)(zhong)(zhong)(zhong)植:2、3、4、3,綿(mian)(mian)(mian)羊飼(si)(si)(si)養(yang):4、3、2、3。根據(ju)得出數據(ju)尋(xun)找規律:最后一(yi)個(ge)(ge)(ge)生產環(huan)節都是(shi)(shi)(shi)3個(ge)(ge)(ge)月(yue)(yue);其(qi)他三個(ge)(ge)(ge)生產環(huan)節,小(xiao)麥(mai)種(zhong)(zhong)(zhong)(zhong)(zhong)植的(de)(de)是(shi)(shi)(shi)2、3、4,綿(mian)(mian)(mian)羊飼(si)(si)(si)養(yang)的(de)(de)是(shi)(shi)(shi)4、3、2,月(yue)(yue)份(fen)數相反(fan)。 最后,總結(jie)(jie)生成新(xin)(xin)圖(tu)(tu)(tu)表(biao): 小(xiao)麥(mai)種(zhong)(zhong)(zhong)(zhong)(zhong)植: 犁(li)地 播種(zhong)(zhong)(zhong)(zhong)(zhong) 生長(chang)(chang) 收(shou)(shou)割 2忙(mang)(mang) 3忙(mang)(mang) 4閑 3忙(mang)(mang) 月(yue)(yue) 份(fen):1 2 3 4 5 6 7 8 9 10 11 12 4閑 3忙(mang)(mang) 2忙(mang)(mang) 3閑 綿(mian)(mian)(mian)羊飼(si)(si)(si)養(yang):在(zai)牧(mu)場(chang)上(shang)放牧(mu) 配種(zhong)(zhong)(zhong)(zhong)(zhong) 剪(jian)羊毛 在(zai)收(shou)(shou)割后的(de)(de)麥(mai)田上(shang)放牧(mu) 通過新(xin)(xin)圖(tu)(tu)(tu)表(biao),不(bu)但記住(zhu)了小(xiao)麥(mai)種(zhong)(zhong)(zhong)(zhong)(zhong)植和(he)(he)綿(mian)(mian)(mian)羊飼(si)(si)(si)養(yang)這(zhe)(zhe)兩(liang)種(zhong)(zhong)(zhong)(zhong)(zhong)農事活動(dong)的(de)(de)時(shi)間安排(pai)(pai),同(tong)時(shi)加深了對(dui)混(hun)合(he)農業這(zhe)(zhe)一(yi)特點(dian)(兩(liang)種(zhong)(zhong)(zhong)(zhong)(zhong)生產方式,在(zai)時(shi)間上(shang)可做到忙(mang)(mang)、閑錯(cuo)開,便于合(he)理(li)、有(you)效到地安排(pai)(pai)農業生產活動(dong)。)的(de)(de)理(li)解(jie)。 |