نتایج جستجو برای: light interception
تعداد نتایج: 401071 فیلتر نتایج به سال:
In water-limited regions, rainfall interception is influenced by rainfall properties and crown characteristics. Rainfall properties, aside from gross rainfall amount and duration (GR and RD), maximum rainfall intensity and rainless gap (RG), within rain events may heavily affect throughfall and interception by plants. From 2004 to 2014 (except for 2007), individual shrubs of Caragana korshinski...
In this paper, a solution is presented for a robotic manipulation problem in industrial settings. The problem is sensing objects on a conveyor belt, identifying the target, planning and tracking an interception trajectory between end effector and the target. Such a problem could be formulated as combining object recognition, tracking and interception. For this purpose, we integrated a vision sy...
The aim of this study is to assess the interception and transfer to edible part of wet deposited 134Cs and 85Sr to spring oilseed rape and spring wheat and the dependency of the intercepted fraction on the development stage e.g. the total plant biomass. The radionuclides, 134Cs and 85Sr, were deposited at six different development stages using a rainfall simulator. The results showed that there...
Photoinhibition in plants depends on the extent of light energy being absorbed in excess of what can be used in photochemistry and is expected to increase as environmental constraints limit CO2 assimilation. Water stress induces the closure of stomata, limiting carbon availability at the carboxylation sites in the chloroplasts and, therefore, resulting in an excessive excitation of the photosyn...
Optimizing the spatial distribution of plants under normal conditions water and fertilizer is widely used by farmers to improve soybean yield. However, relationship between yield plant in field has not been well studied. This study examined effect planting density pattern on growth, components, canopy light interception, dry matter accumulation. We also analyzed photosynthetic rate, accumulatio...
Dependency of branch diameter growth in young Acer trees on light availability and shoot elongation.
Many biomechanical and theoretical studies have been based on the pipe-model theory, according to which a tree is regarded as an assemblage of pipes, each having the same amount of leaf area or leaf mass. However, the physiological mechanisms underlying the theory have not been extensively examined, particularly at the branch level. We analyzed how branches and trunks thickened in nine young Ac...
High-density planting is an effective technique to optimize yields of mulched cotton. On the other hand, deficit irrigation emerging water-saving strategy in cotton cultivation, especially suitable for arid and water-scarce areas. However, relationships between irrigation, high-density planting, regulation mechanisms canopy light radiation use efficiency (LUE) not yet clear. To clarify mechanis...
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