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Soil Agricultural Potential in Four Common Andean Land Use Types in the Highlands of Southern Ecuador as Revealed by a Corn Bioassay
《Agricultural Sciences》2015年第10期1129-1140,共12页Gustavo Chacón Daniel Gagnon David Paré 
In the Andes, little is known about the relationships among current land uses and their effect on soil fertility. Corn (Zea mays L.) was used to evaluate soil quality for plant growth on soils of four land uses, along...
关键词:ANDOSOL Nutrient DEFICIENCIES Land Use Impacts MONTANE FORESTS Paute Watershed 
Nitrification inhibitor nitrapyrin does not affect yield-scaled nitrous oxide emissions in a tropical grassland被引量:1
《Pedosphere》2021年第2期265-278,共14页Ana Gabriela PÉREZ-CASTILLO Cristina CHINCHILLA-SOTO Jorge Alberto ELIZONDO-SALAZAR Ronny BARBOZA Dong-Gill KIM Christoph MÜLLER Alberto SANZ-COBENA Azam BORZOUEI Khadim DAWAR Mohammad ZAMAN 
funded by the International Atomic Energy Agency(IAEA),Vienna,Austria,through a Coordinated Research Project(No.CRP D1.50.16)of the Soil and Water Management and Crop Nutrition Section,Joint FAO/IAEA Division of Nuclear Techniques in Food;Agriculture and through the Technical Cooperation Project(No.COS5031);by the University of Costa Rica(No.VI-802-B7-505)。
Urea is the most common nitrogen(N)fertilizer used in the tropics but it has the risk of high gaseous nitrogen(N)losses.Use of nitrification inhibitor has been suggested as a potential mitigation measure for gaseous N...
关键词:ammonia volatilization ANDOSOL Costa Rica field trial gaseous N loss greenhouse gas emission UREA 
Low-Molecular-Weight Aliphatic Acids in Soils Incubated with Plant Residues Under Different Moisture Conditions被引量:30
《Pedosphere》1997年第1期79-86,共8页SHENALIN LIXUEYUAN  
Incubation experiments were conducted to investigate the dynamics of low- molecufar-weight aliphatic acids in two andosols with and without plant materials. Results showed that amount of low- molecular-weight aliphati...
关键词:ANDOSOL low-molecular-weight aliphatic acids plant residue 
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