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Sensitivity of L-band vegetation optical depth to carbon stocks in tropical forests: a comparison to higher frequencies and optical indices
Vegetation optical depth Carbon density Tropical forests L-band Climate change
2024/2/4
Monitoring vegetation carbon in tropical regions is essential to the global carbon assessment and to evaluate the actions oriented to the reduction of forest degradation. Mainly, satellite optical veg...
Changes in virulence frequencies and higher fitness of simple pathotypes in the Czech population of Blumeria graminis f.sp. hordei
barley powdery mildew Hordeum vulgare population diversity specific resistances unnecessary virulences
2015/7/28
The employment of specific genes, which determine host resistance to avirulent pathotypes of the pathogen, is not recommended for protecting barley against powdery mildew (Blumeria graminis f.sp. hord...
Virulence frequencies to powdery mildew resistance genes of winter barley cultivars
Blumeria graminis f.sp. hordei Erysiphe graminis f.sp. hordei powdery mildew Hordeum vulgare barley winter cultivars virulence frequencies resistance genes pathogen populations
2015/1/30
The virulence frequencies to powdery mildew resistance genes possessed by winter barley cultivars registered and newly tested in the Czech Republic were studied in 2000, 2002 and 2004. Random samples ...
Long-term effects of different burning frequencies on the dry savannah grassland in South Africa
Fire treatment rangeland management soil nutrients soil macro fauna grass biomass
2009/3/4
The use of fire in the management of grassland is a common rangeland practice in South Africa. This portends ecological implication for the sustainability of the savannah rangelands as a system. A l...
The drying effect of colour light frequencies on the nutrient and microbial composition of cassava
Drying frequencies cassava proximate microbial
2010/9/10
The drying effect of varying light frequencies on the proximate and microbial composition of cassava was investigated. Drying was carried out using the solar fabrication designed by the Department of ...
Comparison of Open-Ended Coax and TDR sensors for the measurement of soil dielectric permittivity in microwave frequencies
TDR Open-Ended Coax sensor soil permittivity
2008/11/21
The study presents a comparison of two sensors for the determination of the complex permittivity of soil: a three- rod TDR probe and an Open-Ended Coax probe. The measurements were performed using a T...
Nitrogen uptake at various fertilization levels and cutting frequencies of Lolium species
Italian ryegrass perennial ryegrass nitrogen defoliation uptake
2010/1/15
A field trial was carried out in 1999–2000 to identify optimal combinations of compound fertilizer rates and defoliation frequencies in perennial ryegrass cv. Raidi (diploid) and Raite (tetraploid) an...
Impact of Irrigation Regimes, Irrigation Frequencies and Coirpith Mulching on the Economic Productivity of Drip Irrigated Summer Cotton SVPR-2
Coirpith mulching drip irrigation seed cotton yield WUE
2010/11/9
Field experiment was conducted at Agricultural College and Research Institute, Madurai during
the summer season of 2003 to study the effect of various drip irrigation regimes and intervals with mulch...