Andisols

Dynamics of Soil Nutrients in the Rooting Zone with Reference to the Mechanisms of Nutrient Supply in Soil

Author: 
Yanai
Yamada
Kosaki

Dynamics of Soil Nutrients in the Rooting Zone with Reference to the Mechanisms of Nutrient Supply in Soil.
Junta Yanai1, Takashi Kosaki2, and Hidekazu Yamada1. (1) Kyoto Prefectural Univ, Shimogamo Hangi-cho 1-5, Sakyo, Kyoto, 606-8522, Japan, (2) Kyoto Univ, Sakyo-ku, Kyoto, 606-8502, Japan
18th World Congress of Soil Science, July 9-15, 2006, Philadelphia, PA, USA

Country: 
Japan

Microbial Fertilizers in Japan

Author: 
Nishio

Microbial Fertilizers in Japan
Michinori Nishio, National Institute of Agro-Environmental Sciences, Ibaraki, Japan
Food & Fertilizer Technology Center (FFTC) for the Asian and Pacific Region

Country: 
Japan
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Black C Effects on the Biogeochemical Cycling of Soil Nutrients and Organic C in Amazonian Dark Earths (Terra Preta De Indo)

Author: 
Liang

Black C Effects on the Biogeochemical Cycling of Soil Nutrients and Organic C in Amazonian Dark Earths (Terra Preta De Indo)
Biqing Liang, Graduate Student, Department of Crop and Soil Sciences, Cornell University, 9/21/2006,Crop and Soil Sciences Seminar Series, Cornell University. College of Agriculture and Life Sciences.

Abstract:

Country: 
Brazil

Building a Black Soil

Author: 
Czimczik
Masiello

Building a black soil
C.I. Czimczik (1) and C.A. Masiello (2)

ABSTRACT
Black carbon (BC) is a major fraction (up to 35%, depending on methods used) of
soil organic carbon (SOC) in some of the most fertile and extensively cropped soils
of the world (Mollisols, Andisols, Terra Preta de Indio). Although BC is produced via
biomass burning in many ecosystems, it accumulates as a component of SOC in only
a few. Soils enriched in BC are not necessarily found in areas with the highest fire frequencies (savannah) or with the largest black carbon production (woody vegetation).

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