Новости Сертификаты Корпоративным клиентам Оплата и доставка О компании

The Principles Of Agronomy | A Text-book Of Crop ...

The book dedicates significant space to the movement and control of soil moisture. Whether through irrigation (adding moisture) or drainage (removing excess), the goal is to create the "perfect home" for roots.

Healthy soil structure and aeration aren't just "good to have"; they are the primary factors that warm the ground in spring and foster beneficial organisms. 2. Strategic Water Control

Long before the wide availability of synthetic fertilizers, these authors were teaching the importance of . They stressed that merely having nutrients in the soil isn't enough; they must be in a form the plant can actually use. The Principles of Agronomy a Text-Book of Crop ...

Even in 1915, the "Principles of Agronomy" advocated for choosing crops based on local climate and soil types. The text covers the lifecycle and specific needs of major staples like wheat, corn, oats, and potatoes. Why Read It Now?

Harris and Stewart viewed soil not just as dirt, but as a living environment. They emphasized that proper —including drainage, tillage, and the control of soil water—is the bedrock of growth. The book dedicates significant space to the movement

For those looking for a copy, the Internet Archive offers a free digitized version, and modern reprints are available through retailers like Amazon .

While we now use sensors to measure moisture, the book’s early focus on preventing evaporation and managing the water table laid the groundwork for today's water-use efficiency . 3. The Science of Plant-Food Even in 1915, the "Principles of Agronomy" advocated

While some of the specific methods have evolved, the of the book remains unchanged: agronomy is about manipulating the environment to maximize productivity sustainably.