Results 21 to 30 of about 7,278 (259)
Peruvian Journal of Agronomy, 2021 En este estudio se realizaron las comparaciones del contenido de carbono orgánico (CO) en las fracciones de los ácidos húmicos (AH) y los ácidos fúlvicos (AF) en cinco órdenes de suelos (Aridisol, Entisol, Histosol, Inceptisol y Mollisol) y conocer su ...
Sandro Sardón Nina +2 more
doaj +1 more source
The Lower Boundary of Selected Mollisols [PDF]
Soil Science Society of America Journal, 1967 Abstract Thicknesses of three Mollisols (Tama, Elburn, and Drummer series), developed from Wisconsinan‐age material in a toposequence in Central Illinois, were considerably greater (18 to 68 cm) when their lower boundaries were determined by the depth of rooting of native perennial big bluestem (
Douglas Jr, C.L. +2 more
openaire +1 more source
Plant, Soil and Environment, 2010 A 2-year field experiment was conducted under light enrichment and shading conditions to examine the responses of seed yield and yield components distribution across main axis in soybean.
B. Liu +5 more
doaj +1 more source
Zonal Soil Type Determines Soil Microbial Responses to Maize Cropping and Fertilization. [PDF]
, 2016 Soil types heavily influence ecological dynamics. It remains controversial to what extent soil types shape microbial responses to land management changes, largely due to lack of in-depth comparison across various soil types.
Bo Sun +11 more
core +2 more sources
Observations géophysiques sur le pergélisol des environs du lac Minto, Nouveau-Québec [PDF]
, 1976 À l'aide de techniques géophysiques, on a étudié le pergélisol de la région du lac Minto, Nouveau-Québec. Le pergélisol a une distribution discontinue et son épaisseur varie selon les caractéristiques biophysiques des stations inventoriées. Le pergélisol
Séguin, Maurice K.
core +1 more source
Plant, Soil and Environment, 2010 Soil degradation that results from erosion, losses of organic matter and nutrients, or soil compaction are of great concern in every agricultural region of the world. The control of soil erosion and loss of organic matter has been proposed as critical to
X.B. Liu +6 more
doaj +1 more source
Vocabulaire périglaciaire bilingue [PDF]
, 1962 A considerable lack of agreement exists, particularly between French and English-speaking geomorphologists, on the precise use of many periglacial terms, and up to the presenty there bas been little correlation of the periglacial terminology of these two
Clibbon, Peter, Hamelin, Louis-Edmond
core +1 more source
浙江大学学报. 农业与生命科学版, 2008 Surface soil samples of 8 different fertilization treatments, including CK, N, P, NP, MCK, MN, MP, MNP in Gongzhuling national long-term experimental site, were taken on May 31, 2006.
BAI Zhen +4 more
doaj +1 more source
Le Pergélisol et les processus Thermokarstiques de la région de la rivière Nastapoca, Nouveau-Québec [PDF]
, 1984 L'embouchure de la rivière Nastapoca, sur la côte est de la mer d'Hudson, est située dans la zone de pergélisol discontinu, en domaine de toundra arbustive.
Allard, Michel, Seguin, Maurice K.
core +1 more source
Examination into the accuracy of exchangeable cation measurement in saline soils [PDF]
, 2006 Despite the increasing prevalence of salinity world-wide, the measurement of exchangeable cation concentrations in saline soils remains problematic. Two soil types (Mollisol and Vertisol) were equilibrated with a range of sodium adsorption ratio (SAR ...
Bigwood, R. +3 more
core +1 more source