$floatcFile = "/www/wwwroot/xin_floatAdc.txt"; 登上皇位的我很慌啊!(天街小雪花)_第215章 鸟瞰田野(下)(1 / 2)_登上皇位的我很慌啊!最新章节免费阅读无弹窗_新笔趣阁

第215章 鸟瞰田野(下)(1 / 2)

农桑农桑。

从华夏先人学会从蚕茧之中抽取柔软坚韧的蚕丝编制成精美的丝绸开始,桑蚕养殖业的地位就一直很高,仅次于粮食作物的种植,劝课农桑一直以来都是历代王朝最重视的事情。

李元喆有意保持和扩大大唐的丝绸业规模,因此在黄河以南的农田重新规划时设置了新的桑蚕业安排,从文总和刘晓峰的世界引进了改良过后的新蚕种和桑苗,以及全套的新式的缫丝纺织机械,还请幸存者之中的专家指导蚕户种植桑树养殖春蚕和夏蚕,着实是花了不少心思和积分。

魏征自武德七年之后就没有在离开过关中,自然是不知道外面桑蚕业的发展情况。

年轻的驾驶员解释道:“其实下面的这种农产布局是一整套叫做‘桑基鱼塘’的农业模式。”

“学生在未来城学习的时候听老师讲起过,桑基鱼塘是种桑养蚕同池塘养鱼相结合的一种生产经营模式。在池埂上或池塘附近种植桑树,以桑叶养蚕,以蚕沙、蚕蛹等作鱼饵料,以塘泥作为桑树肥料,形成池埂种桑,桑叶养蚕,蚕蛹喂鱼,塘泥肥桑的生产结构或生产链条,二者互相利用,互相促进,达到鱼蚕兼取的效果。”

“虽然学生还不太理解老师说的生产结构是什么概念,但还记得老师说过桑基鱼塘和其他农业生产方式相比,具有经济效益高和生态效益好的优点。通过发挥生态系统中物质能量循环转化和生物之间的共生、相养规律的作用,达到了集约经营的效果,符合以最小的投入获得最大产出的经济效益原则。桑基鱼塘内部食物链中各个营养级的生物量比例适量,物质和能量的输入和输出相平衡,并促进动植物资源的循环利用,生态维持平衡。”

魏征听得一愣:“老夫没听懂,你说的这些太抽象了,能详细说说河洛地方具体是怎么做的吗?”

驾驶员想了想,说道:“学生和洛阳飞艇场附近的农户了解过一些,据那些农户所言,那些水塘之中在暮春时放养草鱼和鲤鱼,草鱼和鲤鱼是在温室之中养到巴掌大小才会投入水塘,此时桑叶萌发,北方春蚕孵化开始出产蚕沙,用蚕沙与红薯渣、豆渣喂养幼鱼,等到夏初时用网将水塘与桑树围起来,买来鸭苗与鹅苗在里面放养,鸭苗与鹅苗同样是在温室中育养过得,好像是要育养到差不多半斤的时候育苗场才会出售的。桑蚕结茧缫丝时鱼、鸭子和鹅进入快速生长期,缫丝剩下的蚕蛹可以用来饲喂鱼鸭鹅。”

“到夏收结束,将鸭鹅放出到田中采食,可以消灭田中的杂草和害虫,到土豆和红薯种下前将鸭鹅赶回塘区在育肥一月时间,之后就可以把鸭鹅卖给大唐农牧的屠宰场,然后用鸭鹅的下脚料做成饲料给水塘里的鱼育肥,等到秋天时土豆和红薯收获后,再次放养一批育养好的鸡鸭鹅,让这些鸡鸭鹅把翻土前后的田地里的虫子、虫卵和草籽吃掉,再把这些鸡鸭鹅赶回塘区继续养着。”

“到中秋时节,水塘中的鱼便可以收获,农户可以把鱼卖给大唐农牧的罐头厂,也可以自己发卖或留着自用,塘底的淤泥和桑树林子中的表土都是上好的肥料,清塘时把这些肥料投入到田地里,来年又有一个好收成。

到这时基本上就完成了一个循环,保证农户每年能有三项产出。”

“听说还有人不养鸡鸭鹅,而是在水塘区养一些猪,大致的养殖过程和养鸡鸭鹅差不多,具体的情况学生也没有见过,不好多言。”

魏征听得很认真,过程中更是频频点头。

等驾驶员说完,他又提出了一些疑问。

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