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Distribution of Arbuscular Mycorrhizal Fungi in Upland Field Soil of Japan 1.Relationship between Spore Density and the Soil Environmental Factor
Arbuscular mycorrhizal fungi Available P Spore density Upland field
2009/7/23
To quantify the effects of arbuscular mycorrhizal fungi (AM fungi) on the growth of upland field crops cultivated in Japan, we analyzed soil samples from 124 sites in 18 Japanese prefectures for avail...
Distribution of Arbuscular Mycorrhizal Fungi in Upland Field Soil of Japan 2.Spore Density of Arbuscular Mycorrhizal Fungi and Infection Ratio in Soybean and Maize Fields
Arbuscular mycorrhizal fungi Available phosphate Infection ratio Phosphate adsorption coefficient Spore density
2009/7/23
In this study, soil samples were collected from upland fields where maize and soybeans had been cultivated and the density of AM (arbuscular mycorrhizal) fungal spores and the percentage of soybean ro...
Problems in large scale upland agriculture of Hokakaido in the twenty-first century
large scale upland agriculture Hokakaido twenty-first century
2009/7/14
Problems in large scale upland agriculture of Hokakaido in the twenty-first century.
Yearly and Field Variations of Paddy-Upland Rotational Fields in Nitrogen Mineralization and Nitrogen Absorption by Rice in Paddy-Upland Rotational Field—A Case Study in the Nara Basin for Four Years
Nitrogen Paddy rice Paddy-upland rotation Single crop Soil Nitrogen mineralization
2009/7/8
Soil nitrogen mineralization and nitrogen absorptions by rice in paddy-upland rotational fields (rice-wheat-soybean) were studied in the Nara basin for four years (2000-2003) in comparison with those ...
Efficient soil solarization for weed control in the rain-fed upland rice ecosystem
solarization LDPE film rice weed control herbicide
2008/12/2
Weed competition causes significant damage (up to 90%) to crop yields. Weed control through chemical means in the form of herbicide is commonly used to kill weeds or inhibit their growth throughout t...
Magnetic and mineralogical properties of different granulometric fractions in the soils of the Lublin Upland Region
magnetic susceptibility mineralogical com- position soil granulometric fraction
2008/11/14
The magnetic and mineralogical properties of 5 selected soil granulometric fractions from A and B horizons of Orthic Luvisol, Eutric Cambisol, Haplic Phaeozem and Dystric Cambisol were investigated. T...
Magnetic and mineralogical properties of different granulometric fractions in the soils of the lublin upland region
magnetic susceptibility mineralogical composition soil granulometric fraction
2008/11/14
The magnetic and mineralogical properties of 5 selected soil granulometric fractions from A and B horizons of Orthic Luvisol, Eutric Cambisol, Haplic Phaeozem and Dystric Cambisol were investigated. T...