Complex sentence: His 1731 book, "The New Horse Hoeing Husbandry", explained the systems and devices he espoused to improve agriculture and had such an impact that its influence can still be seen in some aspects of modern farming.
Split into simpler sentences: His 1731 book, "The New Horse Hoeing Husbandry", explained the systems and devices he espoused to improve agriculture. The book had such an impact that its influence can still be seen in some aspects of modern farming.