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第438章 推广红薯土豆(1 / 2)

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尤其是,王象晋在书中提到了定向变异,倡导通过嫁接来改良果树品质。原产于中国的苹果,就是由他定名为苹果的。

这些都不重要,重要的是王象晋对于红薯和土豆的种植极其有经验。

万历年间,红薯、土豆从福建传入中国,王象晋获悉之后设法引入进行栽培,试验。

经过数年的身体力行和反复实践,王象晋在《群芳谱》中详细记录了红薯种植的最佳土壤,种植方法,留种、育苗、繁殖、储藏等等注意事项,认为可以大规模推广种植。

可惜的是,这本书并没有引起当时人的注意。

而就在两个月前,王象晋从王与胤从南京带回来的报纸上看到了黄宗羲登记悬赏高产作物的告示。

王象晋这才派人把自己的试验成果送了过去,提请大规模种植红薯和土豆,而黄宗羲又连忙将此上报给了崇祯皇帝。

这才是朱由哲来见他的原因。

行走在一片苹果园里,王象晋抬头摘了一个,呈给崇祯皇帝,“陛下,现在还未到成熟季节,味道可能有些酸涩,但勉强能吃。再等一个月,等到完全成熟,那便只剩下香甜了。”

朱由哲接过来,用衣袖擦了擦表面,一口咬下去,酸味充满整个口腔。他顿时咧了咧嘴,“是有些酸啊!王爱卿,带我去看看你种植的红薯和土豆吧!”

王象晋点了点头,“陛下,请!”

朱由哲跟着王象晋上前,随手把自己手中的苹果塞到孟大春手中,“吃完,不能浪费。”

孟大春咬了一口,顿时酸的呲牙咧嘴,“什么玩意啊!”然后一下扔到一边,但看着远去的崇祯皇帝,他又悄悄弯身捡了起来,塞到了自己怀中。

王象晋用手轻轻拨开土壤,露出红色的,指头大小的红薯,“陛下,别看现在这么小,等到两个月后到了收获的时候,每一个都会有巴掌那么大。就这一株,就可收获五六斤果实。”

朱由哲弯身蹲在王象晋身旁,仔细看了看,“这一株下面有八个小红薯呢!”

王象晋笑了笑,“陛下,这还是少的呢!有的可以结出一二十个呢!但多了未必好,因为长不大。反而是那些少的,反而个个长的大,收获的更多。”

朱由哲轻轻的点了点头,“现在八月份,如果大规模种植,这时间是不是有点晚了?”

王象晋点头道:“在山东,这红薯一般是四、五月种,九、十月守。也有六月种,十月、十一月守的。但前提是阳光充足,温度适当。此刻种植,无论怎么看都太晚了。但土豆可以,十月、十一月种,等次年二月收获。其守成虽然比不得红薯,但也是不少的。最重要的……”

王象晋顿了一下,接着说道:“最重要的,这红薯和土豆对土壤的要求很低,无论是沙田、丘陵,还是屋前、屋后,都可种植。陛下,灾荒之年,这两样东西可以挽救无数百姓的命。”

晚膳是在王象晋的园地里进行的。

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