Development of a model to estimate the annual carbon gain of poplar and black locust

Photosynthetic characteristics and simulation of annual leaf carbon gains of hybrid poplar (Populus nigra L. x P. maximowiczii Henry) and black locust (Robinia pseudoacacia L.) in a temperate agroforestry system A leaf net photosynthesis model is presented driven by light and modulated by temperature and air humidity. From this the seasonal variation of CO2 uptake …

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Sida hermaphrodita – a perennial bioenergy crop for marginal lands ?

Effect of nitrogen fertilizer and compost on photosynthesis and growth of Virginia fanpetals (Sida hermaphrodita Rusby) As a perennial bioenergy crop Sida hermaphrodita can play important roles on marginal lands in the near future. In a controlled pot experiments the influence of various compost amounts (10, 20, 30, 50%) und nitrogen fertilizer (100 kg N …

Presentation at the Biocrust 3 Workshop in Moab, Utah

Application of chlorophyll fluorescence, CO2 gas exchange and NDVI for the detection of spatial variances of photosynthesis of biological soil crusts on anthropogenic degraded soils Stella Gypser and Maik Veste Degradation of soils and the destruction of vegetation as a result of anthropogenic disturbances affect ecosystem functions and properties worldwide. In Brandenburg (NE Germany) various …

Photosynthesis and growth of knotweed

Effects of nitrogen and phosphate fertilization on leaf nutrient content, photosynthesis, and growth of the novel bioenergy crop Fallopia sachalinensis cv. ‘Igniscum Candy‘ The aim of the study was to determine the effects of nitrogen and phosphate fertilization on the growth performance of the novel bioenergy crop Fallopia sachalliensis cv. ‘Igniscum Candy’ (Polygonaceae). In a …

How halophytes influencing their parasites ?

Influence of halophytic hosts on their parasites – the case of Plicosepalus acaciae Halophytes develop various morphological and physiological traits that enable them to grow successfully on saline substrates. Parasitic plants on halophytic hosts may also encounter salt stress. We investigated the mistletoe Plicosepalus acaciae (syn: Loranthus acacia; Loranthaceae), which occurs on five halophytic and …