第202章 实验曲辕犁(2 / 2)

裴寂命裴律师带人去通知厂长、经理们前往皇庄,观看李元景用曲辕犁犁地的效果。

李元景众人走了没多远,裴寂招收的各行各业的行家里手们已经赶了过来,这些人向李元景、裴寂行礼,李元景也非常亲切热情地和这些人打招呼。

到了皇庄,皇庄庄宅使早早得到了消息,带着一群人迎接了出来。

李元景让人把两个曲辕犁从马车上卸下来,让庄宅使找四头牛,试验曲辕犁耕地的效果。

众人看着李元景制作的两个曲辕犁,感觉都很好奇:

直辕犁是在直辕上嵌一根横木,牛用肩扛着横木往前使劲拉犁,这曲辕犁小巧,没有长长的直辕,牛拉哪里呢?

庄宅使带李元景众人前往一块儿空白的庄稼地,到了地里,李元景让下人先把曲辕犁放在地里,他给在场的众人详细讲解这曲辕犁如何使用:

曲辕犁没有长长的直辕和横木,是用跑杆、绳子和牛扼头做成牛套,有牛扼头套在牛的肩上,把跑杆挂在曲辕前面的弯钩上。

曲辕犁小巧,没有长长的直辕,机动灵活,增加了犁评和犁建,如推进犁评,可使犁箭向下,犁铧入土则深。若提起犁评,使犁箭向上,犁铧入土则浅。

将曲辕犁的犁评、犁箭和犁建三者有机地结合使用,便可适应深耕或浅耕的不同要求,并能使调节耕地深浅规范化,便于精耕细作。

倾斜的犁面不仅能碎土,而且可将翻耕的土推到一侧,减少耕犁前进的阻力,轻便省力。

李元景讲解完,在场所有的人都很震惊:

这曲辕犁真的太灵巧、轻便、完美了!

裴寂作为曾经的大唐宰相,为了大唐呕心沥血,他非常清楚农人们种地的辛苦,其中种地最繁重的就是耕地,战乱刚刚结束,牛非常少,很多时候没有牛耕地,要靠一群人拉犁子,这其中的辛苦无法言说。

李元景设计的这曲辕犁,犁辕是曲的,拉犁的牛和犁铧之间成一条直线,力气直接作用在了犁铧上,不像直辕犁,力作用在犁架上,再从犁架向下九十度传到犁铧上,白白地耗费了许多力气。

曲辕犁犁面是斜的,土被犁铧垦起来之后,自动被推到一边,不像直辕犁的犁面是正直向前的,想把垦起来的土推到一边,必须靠牛的力气硬拉。

直辕犁是牛用肩头扛着直辕上的横木向前走,横木、直辕都是死的,特别死板,不灵活,牛即使用尽全力拉犁的效果也不好,而曲辕犁是用牛套,非常自由灵活,牛拉起来非常舒展,就能多使出几分力气。

李元景讲解完曲辕犁的好处,以及使用方法之后,所有人都非常佩服李元景真的太聪明、太有能力、想法太令人匪夷所思了。

两名种田的庄户迫不及待地把四头牛套在两个犁子上,实验起来。

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