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第1430章:铁路风情画(Ⅵ)

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冬妮娅听见身后的旅客争论那绽放紫花的植物究竟是薰衣草还是鼠尾草,不由好笑,索性回头告诉他们正确答案:

“那不是薰衣草也不是鼠尾草,其实是公社种植的一种牧草,当地人称之为‘紫花苜蓿’。最新地址ltxsba.fun”

“啊?原来牧草也能开出这么美的花。”有人惊讶感叹。

“通常等不到开花就会收割贮藏,今年大概是还有更重要的农作物尚未收割完毕,这些牧草的收割期不得不向后推延,无论如何入冬前都要收割加工,作为家畜的冬储饲料。”冬妮娅补充道。

“这真奇怪,明明有的是野草给牲口吃,这么好的田地不用来种粮食却种牧草,实在太浪费了。”与罗兰并排坐的“游荡者”老哥连连摇头,无法理解当地村民主次不分的耕种方式。

“我猜人们这样做是有理由的,冬妮娅,是不是这样?”罗兰请专业人士解读。

德鲁伊小姐正色点头:“种植小麦的地块不能连年耕种,否则过不了几年就会把土壤的肥力耗尽,作物产量大不如前,所以耕作过后的田块要么歇耕修养,要么轮播牧草——牧草不仅可以为牲畜提供营养丰富的饲料,更重要的是这种植物的根系能够固化土壤,使农田恢复肥力。”

四周乘客听了冬妮娅的专业解读,都流露出恍然明悟的神色。这些人要么是四处狩猎魔兽的冒险者,要么是做小生意的商人,对耕地种田的诀窍所知不多。

“牧草要如何储存过冬呢?”有人向德鲁伊小姐请教,“是不是收割过后晾晒成干草?”

“晾晒储藏干草料的确是远东各地普遍实行的传统做法,但是牧草在晾晒过程中会损失大部分营养和水分,牲畜咀嚼起来口感不好,也不利于消化吸收,我们‘丰收之环’这些年来一直致力于推广青贮技术。”冬妮娅不疾不徐地回答。

“什么叫‘青贮’?”柳德米拉好奇地追问。

“简单来说就是在入冬前收割牧草或者其它饲料作物,用铡刀细细切割成一寸长左右,然后挖一个地窖将切碎的牧草埋入压实,盖上一层厚厚的稻草,最后再盖土压实,使地窖中的牧草与空气隔绝,这样储藏的牧草埋在地窖里两三年也不会腐坏,打开地窖一看还是青翠的颜色,散发出酸甜的香味,牲畜不光爱吃还很有营养。”冬妮娅很有耐心地解释道。

罗兰旁听冬妮娅讲述青贮饲料的制法,唇角不由微微上扬。德鲁伊未必懂得多少化学原理,但是这不妨碍她们在长期农业研究实践中发现与地球上几乎如出一辙的农业技术,青贮饲料就是其中一例。

冬妮娅绘声绘色地向柳德米拉讲解牧草在隔绝空气的地窖中如何自发放热,并且会在一种微小生物的作用下缓慢发酵,产生类似酸奶的香味……在罗兰这个穿越者听来,除了对“乳酸菌”这一微生物的理解和命名有所不同,冬妮娅所在的德鲁伊社团所从事的研究工作与地球上的农学家又有多大区别呢?

瓦雷斯与地球相似的自然环境和农业生产方式决定了两者在农业技术领域必然会有某些殊途同归的经验,然而瓦雷斯毕竟是一个存在魔法和超自然力量的世界,因此德鲁伊主导下的农业技术与地球上的生物科学难免也会有分道扬镳的时候,就拿青贮饲料技术来说,由于牧草自身所含的乳酸菌很少,其它有害细菌却很多,自然发酵难度很大,而发酵不充分就会导致牧草在贮藏过程中受有害细菌影响腐烂变质。在地球上,科学家们解决这个难题的方式是在贮藏时额外添加人工制取的乳酸菌以促进牧草发酵,而在科技并不发达的瓦雷斯,德鲁伊们则采用另一种方式解决上述难题。

“瓦莲京娜老师发明了一个环神术,只要在贮藏牧草的时候对地窖施展这个‘瓦莲京娜发酵术’,就可以确保地窖中的青贮饲料完美发酵,与此同时,那些会导致饲料腐烂的有害微小生物则会被法术杀死。”说起老师为远东农牧业做出的巨大贡献,冬妮娅流露出发自内心的崇敬。

列车刚穿过苜蓿花海,前方又迎来一片更为辽阔的绿色海洋,高大的植株汇聚成万顷碧波,随风荡漾时隐现金色纹理,仔细观察才分辨出那是成熟的玉米棒,撑破叶片绽露出饱满的颗粒与流苏般的穗须。

“这些玉米也是谷地村的作物?”柳德米拉略显讶异地望向罗兰,“三年前我们途经谷地村的时候,当地似乎没有哪家种植玉米……”

“其实从前也有少量的种植,只不过在农作物中的比例很小,产量也不高,我们当时只是匆匆路过,没有留意而已,今年种植的是从新大陆威尔诺亚地区引进的新品种玉米,比传统品种更耐寒冷,产量也高得多,我和瓦莲京娜女士挑选了几家农场大面积种植新品种玉米,谷地村就是其中一个试点。”罗兰望向窗外农田,边聊天边观察玉米的生长情况,成熟的玉米棒仿佛在炫耀自己的好身材,大多撑破浅绿纱裙裸露出金黄饱满的胴体。

“威尔诺亚的玉米种子……我好像听你说过这件事。”女游侠拍了拍额头,“对了!当初我们去白鸥港旅行的时候,你还专门找柳博芙·扬波打听如何才能搞到新大陆的玉米种子,该不会就是我们现在看到的这种玉米?”

罗兰笑着点头:“你猜对了,当初我去白鸥港访问,其中一项重要使命就是受瓦莲京娜女士所托,请柳博芙帮忙从新大陆引入新品种玉米,白鸥商会在威尔诺亚颇有势力,漂洋过海将玉米种子运回远东来,先送到‘绿野之乡’试种两季,瓦莲京娜女士从中筛选出适合远东北方气候和光照条件的植株进行育种实验,现在我们推广种植的已经是经过多次改良的品种了。”

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