第 2670章 粮种两难
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第2670章粮种两难(第1/2页)
直至近期,祝明月才分出少量存粮,供给右武卫作为军粮调剂。
知道真相的朝廷重臣们,心中五味杂陈。
这般亩产数倍于五谷,可救荒保命,稳固民生的绝世良种,数年以来竟被白白酿成酒水,耗费殆尽。
若是能早早推广为粮,普及民间,天下荒年,流民饥馑,就可消解大半。
段晓棠终于明白,为什么吴杲会狮子大开口,向并州要三十万石粮草。
他只知红薯丰产,贪心高产粮储,又一心想要削弱并州,却全然不知其中隐患,不懂民生实情,不察种植规律,只一味强人所难。
硬生生给装了多年老实人的野心家,送上现成的借口。
段晓棠对候在门外的曹学海吩咐,“回营里找周营长,取数枚新鲜红薯送来。”
段晓棠从容开口,缓缓道来红薯的生长特性,丰产优势。
众人听得认真,别管并州为何被逼反,身在长安的他们,将来可能饿肚子,却是真的。
段晓棠对着一帮见粮眼开的大臣,不由得不多提醒一句。
“红薯多食伤身这事儿,我们就不提了,它最大的隐患,其实是它本身。”
王鸿卓心头一紧,连忙前倾身形追问:“此粮高产耐活,荒年可救万民,补全粮储,能有何等隐患?按需取用,不就可以规避风险?”
段晓棠深吸一口气,缓缓道出大吴无人知晓的秘辛,“红薯确是良种,它之所以能远超五谷,连年高产,是因为历代培植者优化了物种特性,人为拔高了产量。可这种人工调整并非永久恒定,终有一日,现有种子中的优化特性可能会退化,甚至彻底失效。”
说话间,曹学海已然带着数枚硕大饱满的新鲜红薯赶回大堂。
段晓棠随意举起一枚,“譬如今年它能亩产千斤,来年或许断崖式暴跌,只剩三百斤产量,极端情况下,甚至颗粒无收。”
吕元正目光死死黏在圆润饱满的红薯之上,“不是年年丰收吗?”
段晓棠秉承着对老上司的尊敬,只是轻轻歪了歪头,“世事无绝对,谁又能百分百笃定?”
“除此之外,这类人工优化的外来物种,还有一层致命隐忧,就是可能爆发全域性、毁灭性的物种病害。”
她神色微敛,缓缓道出一段无人知晓的后车之鉴,“我曾听闻一则域外旧事,海有一国,从境外引入一批高产良种,初期亩产惊人,万民饱腹,举国上下尽数弃本土五谷,改种此粮,依靠良种安稳度日数十年。某一年,所有良种突然集体异变,爆发从未见过的病害,全境田地颗粒无收。”
“彼时他们早已舍弃本土传统粮种,一场突如其来的粮灾,前后饿死百万民众,数百万人流离失所,偌大邦国,险些被一粒外来良种推入灭国之境。”
这个故事中的灾变主角并非红薯,可同为异地引种、高度依赖培植技术的外来物种,其中风险隐患,别无二致,足以警示世人。
吕元正神色凝重,沉声追问:“你所言的灾害,是红薯造成的?”
段晓棠不把话说死,“是,也不是。”
(本章未完,请点击下一页继续阅读)第2670章粮种两难(第2/2页)
“麦、粟、稻米等传统五谷,历经千年驯化,适配本地水土,迭代传承,除非遭遇极端天灾,否则不大可能绝收。这类外来稀奇粮种,一旦爆发病害,哪怕是经验最丰富的老农,也无从辨识救治。”
“所以红薯纵使丰产,可救一时之急,眼下也只能当做荒年救急的补充粮种,绝不能贸然取代五谷,化作天下主粮。一旦他日歉收,举国万民断粮。难道所有人都张口向西北吗?”
这才是白家不遗余力,严控红薯种植规模、禁止良田普及的深意。
良田种植红薯,产量高得让人难以置信。哪怕挪到肥力不足,其他作物难以生长的下田,也能有所收获。
这本就一场,关于赛马的博弈。
一旦被寄予厚望的红薯绝收,只会会给本就脆弱的山西百姓,致命一击。
经过段晓棠一番解释,所有人看向红薯的目光,不复之前的炙热。
段晓棠常栽进沟里就算了,竟然连粮种也这般不靠谱。
范成达神色肃然,沉声发问:“这般病害,频发吗?”
其实他先前想过,动员一切可以动员的力量,在长安周边遍植红薯,补足粮储。
吃多了有不良反应,就和粟米一块掺着吃,总会好受一点。
段晓棠摇了摇头,“范大将军知晓,我以前不种地的,具体情况,我也说不明白。可能隔几年它就不再发芽,也可能终我们一生,都见不到那样惨事。”
段晓棠等人一直致力于,将种子散到不同的地方去,也有这方面的考量。
依靠地域阻隔,物理隔离,哪怕某处种子骤然异
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