bert e curry t o smith (2 résultats)

Paperback. Etat : New. Print on Demand. This book explores the complex relationship between soil and potassium, a vital nutrient for plant growth. Despite its abundance in the Earth's crust, potassium's availability to plants can vary greatly depending on soil conditions. The author delves into the chemical reactions that occur when potassium fertilizers are applied to soil, revealing how factors like clay content and the presence of other minerals influence their effectiveness. Field observations provide practical insights into the impact of potassium fertilizers on crop yields, particularly in hay production. The book concludes that while potassium is essential for plant growth, the vast majority of soils already contain sufficient amounts to support healthy crops, making potassium fertilizers largely unnecessary. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.

LeatherBound. Etat : New. BOOKS ARE EXEMPT FROM IMPORT DUTIES AND TARIFFS; NO EXTRA CHARGES APPLY. Leather Binding on Spine and Corners with Golden leaf printing on spine. Bound in genuine leather with Satin ribbon page markers and Spine with raised gilt bands. A perfect gift for your loved ones. Reprinted from 1912 edition. NO changes have been made to the original text. This is NOT a retyped or an ocr'd reprint. Illustrations, Index, if any, are included in black and white. Each page is checked manually before printing. As this print on demand book is reprinted from a very old book, there could be some missing or flawed pages, but we always try to make the book as complete as possible. Fold-outs, if any, are not part of the book. If the original book was published in multiple volumes then this reprint is of only one volume, not the whole set and contains approximately 35 pages. IF YOU WISH TO ORDER PARTICULAR VOLUME OR ALL THE VOLUMES YOU CAN CONTACT US. Resized as per current standards. Sewing binding for longer life, where the book block is actually sewn (smythe sewn/section sewn) with thread before binding which results in a more durable type of binding. Language: English.