第一百零二章 国渊种田（1 / 2）
三国之风起南海
老周小王
0 字
2021-03-13
国渊眼前一亮，他从来没想过，自己种田种得好也能够被周晔提升到如此的高度。</p>
是啊，这天下的田地何止亿亩，每亩哪怕只因为他的种田之法增产十斤，那就是十亿斤，这么多粮食，能够多养活多少人？今年北方大旱，哪怕为了一斤粮食，有人都不惜搭上一条命。</p>
这是多么大的功德啊！</p>
儒家三不朽，立功立德立言，如果国渊将种田之术记载下来，那就是立言了，而活人无数，那就是立功了，至于立德，那就是要加强自身的道德修养，成为一个正人，国渊自信他能做到。</p>
做到了这三不朽，庶几为圣人乎？</p>
想到这里，国渊的呼吸不由得都粗重了起来，他虽然没有成圣的野心，可是哪个儒家子弟不想往这个方向努力呢？</p>
如今，周晔给他指出了一个努力的方向，这让国渊一下子觉得豁然开朗。</p>
“多谢郡丞！”国渊向周晔深施一礼道：“渊受教矣！”</p>
当天，国渊就得到了一本农学方面的书，这本书也是周晔编著，书上有着许多关于农业方面的知识，有一些是这个时代已经有的，周晔只是总结了一下，不过更多的知识是这个时代还没有的，比如如何培育秧苗，如何灭虫，如何施肥，何为光合作用，为何种过水稻或者小麦的田里在冬季要种一季胡豆等等。</p>
这本书周晔写得妙趣横生，特别是写害虫的那一章，告诉了大家害虫何以为害，昆虫的几个发育阶段，在每一个阶段应该用什么方法来灭虫，哪些中草药对害虫有效，还有害虫的生物防治等等，哪怕是不懂农学的人，看了这本书也会对这方面的知识产生极大的兴趣。</p>
比如在田间养鸭子来吃虫，或者是养鱼来吃虫，这都是最简单的生物防治的方法，这些方法国渊倒是一看便知，不过有些方法就让他有一些疑惑不解了。</p>
比如用胡蜂来防治稻田里的螟虫，这就让国渊想不通了。</p>
因为诗经里有一句是“螟蛉有子，蜾嬴负之”，其中的螟蛉，是田间各种螟虫的统称，蜾嬴便是胡蜂，世人都认为胡蜂背负着螟蛉的幼虫，是为了帮螟蛉养育幼子，因此便以螟蛉子来比喻义子，这个传说也是十分美好。</p>
可是在周晔的书里，却说胡蜂的这种行为叫做寄生，它是将螟蛉的幼虫背负回自己的巢穴，用刺将螟蛉的幼虫毒晕之后，在它的身体里产卵，这样，胡蜂的幼虫孵化出来之后，就能够有新鲜的食物享用了。</p>
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