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Agronomic assessment of grain yield and nitrogen loss and gain of old and modern wheat cultivars under warm climate
Nitrogen wheat dry matter cultivar efficiency
2011/1/10
In cereals, the main source of nitrogen for grains is nitrogen remobilized from vegetative parts shown to be depended on environmental and genotype factors. Field experiments were conducted to study t...
Evaluation of some wood quality measures of eight-year-old Melia azedarach trees
Melia azedarach L. fibre length specific gravity heartwood/sapwood ratio
2011/3/29
This study investigated the wood quality of 8-year-old Melia azedarach trees grown in Saudi Arabia. The wood
quality of the trees was studied in terms of fibre length, specific gravity, and heartwood...
Chromium and its forms in soils in the proximity of the old tannery waste lagoon
chromium soil tannery wastes Eh pH
2008/11/21
Chromium is a heavy metal whose presence in soil, water and atmosphere can cause hazard to the natural environment. The valences of chromium are sharply related to the redox potential. Precise Eh-pH ...