نتایج جستجو برای: soybean canopy
تعداد نتایج: 47747 فیلتر نتایج به سال:
The wide adoption of dicamba-tolerant (DT) soybean has led to numerous cases off-target dicamba damage non-DT and dicot crops. This study aimed develop a method differentiate response using unmanned-aerial-vehicle-based imagery machine learning models. Soybean lines were visually classified into three classes injury, i.e., tolerant, moderate, susceptible dicamba. A quadcopter with built-in RGB ...
The application of remote sensing techniques and prediction models for soybean rust (SBR) monitoring may result in different fungicide timings, control efficacy, spraying performance. This study aimed to evaluate the applicability a model as threshold disease decision-making identify effect timings on SBR well technology. There were two experimental trials that conducted 2 × 4 factorial scheme:...
The effect of natural shading on photosynthetic capacity and chloroplast thylakoid membrane function was examined in soybean (Glycine max. cv Young) under field conditions using a randomized complete block design. Seedlings were thinned to 15 plants per square meter at 20 days after planting. Leaves destined to function in the shaded regions of the canopy were tagged during early expansion at 4...
Thermal sensing provides rapid and accurate estimation of crop water stress through canopy temperature data. Canopy is highly dependent on the transpiration rate leaves. It usually assumed that any reduction in evapotranspiration (ET) leads to yield loss. As a result, an increase due decrease ET would indicate This research evaluated hypothesis could be detected using measurements (increased le...
Abstract The influence of three levels water supply (unlimited (WW); stress during flowering (RO); rainfed (P)) on radiation properties and yield two soybean varieties (Sinara, Sin; Sigalia, Sig) were evaluated. Sin is considered to be tolerant stress. effect leaf area index, year, variety, meteorological variables evapotranspiration (ET) was analysed by hierarchical regression. This study atte...
δ18O of water vapour, evapotranspiration and the sites of leaf water evaporation in a soybean canopy
Estimation of actual evapotranspiration (ET), especially its partitioning into plant transpiration (T) and soil evaporation (E), in agricultural fields is important for effective soil water management and conservation and for understanding the interactions between ET, T, and E with the management practices. Direct field measurements of ET, T, and E rates are difficult and costly; hence, mathema...
Soybean (Glycine max (L.) Merr.) may contribute to the agro-ecological transition of cropping systems in Europe, but its productivity is severely affected by summer drought. New drought-avoidance strategies, such as early sowing, require cultivars with high plant growth under suboptimal conditions. This study aims at phenotyping early-stage root and shoot traits 10 commonly grown Europe. Cultiv...
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