Librería: PBShop.store US, Wood Dale, IL, Estados Unidos de America
EUR 26,26
Cantidad disponible: 15 disponibles
Añadir al carritoPAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.
Librería: PBShop.store UK, Fairford, GLOS, Reino Unido
EUR 25,03
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Añadir al carritoPAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.
Librería: Forgotten Books, London, Reino Unido
EUR 16,53
Cantidad disponible: Más de 20 disponibles
Añadir al carritoPaperback. Condición: New. Print on Demand. Delving into the depths of California's soils, this book offers an in-depth examination of the composition and characteristics of soil columns across varied agricultural regions. The author takes a historical approach to the study of soil science in the state, analyzing data collected since the establishment of the University of California. The book's unique value lies in its focus on the distribution of humus and nitrogen content in soil layers up to twelve feet deep, a significant departure from previous research that primarily examined surface soils. Through meticulous analysis of soil columns, the author presents novel insights into the complex relationship between humus, nitrogen, and soil fertility. This comprehensive analysis provides crucial information for farmers, soil scientists, and environmentalists seeking to optimize soil health and agricultural productivity. 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.
EUR 22,69
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Añadir al carritoCondición: New. KlappentextrnrnExcerpt from Humus and Humus-Nitrogen in California Soil ColumnsWith ordinary green-manure crops and under field conditions it will probably require a much larger amount of green material to produce one part of humus, for .