第390章 【进军河套】
最新网址:m.ltxsdz.com
魏延郑重地点点头:“我以前四处游历时曾见过草原上牧民养殖的鸡鸭吃过蝗虫。最新地址ltxsba.pw”
实际上这个见闻是魏延在后世去过蒙古草原见识过。
那个时候,每年草原蝗虫爆发,当地民众就喷洒农药来消灭蝗虫,一开始的时候取得了显著的灭蝗效果。但由于连年使用农药,也出现了一些难以解决的问题,蝗虫开始产生耐药性,使农药效力降低,为了保证灭蝗效果,只能加大农药的使用量,这不仅增加农药残留,污染草场,还使蝗虫的天敌被杀,破坏草原生态平衡。为减轻药物灭蝗带来的弊病,草原牧民引进了牧鸡、牧鸭、火鸡、珍珠鸡等家禽。
那些牧鸡、牧鸭具有捕食蝗虫的能力,一只牧鸡能防治五到十亩草场的蝗虫,养鸡灭蝗虫,在保护生态、降低灭蝗成本上已经明显超过飞机和拖拉机喷雾灭蝗。
牧鸡灭蝗,不污染草场,没有农药残留,还给草场带来了有机肥料,培育了草原的生产力。蝗虫富含优质蛋白、多种微量元素、丰富的维生素,是鸡、鸭等家禽的优质饲料,牧鸡捕食蝗虫,日增重显著,经济效益可观,生产出的肉、蛋是高品质的绿色有机食品,这是一举多得的好方法。
魏延顿时想起了他之前曾跟韩浩说起过的“牧区养禽、农区养畜”的计划,便跟韩浩算了一笔账:“养一头牛出栏周期需要四年,一只羊一年产羔一只,收入大概千余钱。牛羊饲养周期长,草场压力大,而且其他成本投入也不小。若是养一只鸡呢,一只鸡从孵化到出栏仅需三四个月时间,一只鸡整个夏季可围剿五到十亩草场的蝗虫,由于蝗虫很肥,吃蝗虫长大的鸡售价比普通鸡高得多,初步估计每只五十钱。一个人大概可以看管一千只鸡,而且不破坏草原,出栏后的总收入不下五万钱。这不只是对草原上的牧民,对农民亦是如此,养鸡既可以灭蝗,更可以致富,我们汉民又可以多吃鸡肉,增强体质,这是一举多得的好事,元嗣,我希望你来主持这个事宜,让治下的民众多多养鸡鸭鹅来防治蝗虫。”
韩浩听魏延这样说来,笑逐颜开:“主公,属下这就拟定公文,鼓励各地民众养鸡。”
魏延点点头:“对,就是鼓励,将养鸡鸭鹅的好处充分说明出来,不要强制,只是鼓励。”
现在的魏延名义上只是武侯、平南将军,似乎除了带兵打仗之外,别的事情不该由他来管,实际上治下的所有大事情都要由魏延来定夺,他才放心。
魏延对于未来有很多担忧,瘟疫是其一,魏延已经颁布了卫生法令,强制治下民众遵循卫生条例,让华佗、张仲景医学院的学生到各地宣讲卫生条例,督促各地民众做好防治瘟疫的措施,短短几个月内,各地都改头换面,跟大汉其他地方相比,简直是干净整洁的天堂,相信魏延的地盘里,瘟疫的突发性几乎为零。
魏延对未来的担心,还有粮食减产,粮食减产原因不外乎大旱大涝和蝗灾、兵灾,对于大旱大涝这样无法抵御的自然灾害,魏延只有严格要求各地官府、民众和军队兴修水利,应对随时而来的大旱大涝。
对于蝗灾,魏延从心理建设、预防、根治、消除诸多方面都做了周密安排,相信今年蝗灾虽然无法克制,也不会导致非常惨烈的结果,粮食的减产应该能控制在一成之内。
对于兵灾,魏延作为最高指挥官,严厉要求各个边境的守军扼守关隘,提防外敌入侵,提防其他地方势力、世家作乱。
……
现在,他重点抓两点,一点是水军的训练、水军战船的打造,目的是为了明年夺取荆州乃至扬州;第二点,骑兵的训练,目的是为了占领河套平原和凉州,让自己有个稳定的后方!
水军方面,魏延全权交给甘宁、马忠、刘晔,他自己不太懂水军,比较少过问;骑兵方面,他交给徐晃、太史慈、赵云,因他自己擅长,所以补充很多时间。
他非常清楚,像以前那样圈在多山的义阳一代是练不出像蒙古骑兵那样强悍的骑兵战术的,必须要到塞外大草原才行,所以他决定要频繁出兵,袭扰塞外鲜卑人,这跟他原来息兵休战并不矛盾,只要把战场放在敌人的地盘上,对自己地盘的粮食生产不造成破坏就行。
魏延留五万步兵和两万骑兵分别扼守重要城池关隘,剩下的八万骑兵,八成都是新编的骑兵,先在并州草原训练,一边训练,一边实战,扫荡那些桀骜不驯的羌胡部落。
可扫荡着扫荡着,就出了并州地界,来到河套地区。
河套,贺兰山以东、吕梁山以西、阴山以南、长城以北之地,包括银川平原和鄂尔多斯高原、黄土高原的部分地区,黄河在这里先沿着贺兰山向北,再由于阴山阻挡向东,后沿着吕梁山向南,形成“几”字形,故称“河套”。
河套西、北、东三面环以黄河,阴山横亘黄河之北,其沟谷多为古代大漠南北之重要通道,贺兰山耸峙于黄河之西,芦芽山屏障于黄河之东,南邻陕北高原,依山阻河,形势险要,套里为鄂尔多斯高原,地表呈波状起伏,中部高,四周低。境内之黄河,水流平稳,两岸土地肥沃,可耕可牧,故有“黄河百害,惟富一套”之说。
周朝之前,这是被属于狄人的匈奴人占据。春秋时期,赵国的赵武灵王把版图延伸到阴山山脉,设立了云中郡,位于土默川平原东部。秦朝统一中原后,派蒙恬率十万大军将匈奴逐出河套,迁徙3万户到那里戍边,设云中、九原两郡,秦末移民都返回中原,
西汉时,汉武帝派卫青出云中击败匈奴的楼烦、白羊二王,占领河套。大臣主父偃上疏建议在河套筑城以屯田、养马,作为防御和进攻匈奴的基地。汉武帝接受这一建议,当年即置朔方郡和五原郡,后来又置西河郡,河套地区还包括之前的云中郡和定襄郡,以及北地、上郡的北部。当时的人们引黄河灌溉,当地农业迅速发展,经济繁荣。
怎奈好景不长,东汉时归附的匈奴人被安置在河套,在此放牧,然后便无汉人立足之地。
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