نتایج جستجو برای: root pot experiment
تعداد نتایج: 593854 فیلتر نتایج به سال:
Abstract Microbial plant growth promoters (MPGP) are known to improve crop nutrition and root health. Here we examined the effects of individual combined inoculation chili pepper (variety Camino Real) with Rhizophagus irregularis (isolate BEG87) a commercial product Azospirillum brasilense on biocontrol against oomycete pathogen Phytophthora capsici CH11). In greenhouse pot experiment, unfertil...
In this study, it is aimed to determine the effects of comboutea and lyophilized culture on soil some biological features. This study was carried out 2 different soils as a pot experiment in greenhouse. 4 doses (0, 10, 20, 30 ml/pot) 0.25, 0.50, 0.75 mg/pot) were applied with kg apiece pot. At end experiment, basal respiration (BR) microbial biomass carbon (MBC) analyzes made taken from pots. A...
‘Big Beef’ tomatoes produced 2.68 kg/plant from a 72 day harvest period when they were grown in 0.35 liter aluminum beverage cans by a sub-irrigation hydroponic method. Tomatoes growing in net pots (70 ml) suspended by expanded polystyrene bead boards with a sub-irrigation method gave similar yields in one trial but lower yields in another trial than tomatoes growing in beverage cans. Tomatoes ...
Quantifying carbon in root exudates and exploring their influencing factors are essential to understand soil organic dynamics cropland. A pot experiment was carried out explore quantitative relations between exuded traits wheat rapeseed. The result showed that rapeseed had a similar pattern exudation intensity (EI) as the wheat, but its EI per plant obviously higher than wheat. Rapeseed plants ...
BACKGROUND AND AIMS Localized proliferation of roots in nutrient-enriched patches seems to be an adaptive response in many plants, but its function is still debatable. To understand the efficiency and limitation of foraging behaviour, the impact of patch size and the presence or absence of a barrier to root proliferation within phosphorus (P)-enriched patches was examined. METHODS In pots fil...
A pot experiment was conducted to study the effects of arsenic (As) and sulfur (S) interaction on yield and their accumulation and distribution in rapeseed (Brassica napus L.). The results showed that (1) at the same level of S treatment, application of As significantly decreased rapeseed grain and biomass yield; (2) Application of S significantly increased the grain and biomass yield of rapese...
Bio-insecticidal effects of seven Chinese medicinal herbs on mortality, fecundity, developmental periods and life table parameters of the grape phylloxera were investigated. In an excised root bioassay experiment aqueous extracts from seven Chinese medicinal herbs increased grape phylloxera first instar mortality (26.00-38.50%) compared to other instars. The intrinsic rate of increase (rm), fin...
The planting of trees on mine wastelands is an effective, long-term technique for phytoremediation of heavy metal-contaminated wastes. In this study, a pot experiment with seedlings of Koelreuteria paniculata under six treatments of local mine wastes was designed to determine the major constraints on tree establishment and to evaluate the feasibility of planting K. paniculata on manganese mine ...
Effect of Different Levels of Salinity on Growth and Ion Contents of Black Seeds (Nigella sativa L.)
A pot experiment was conducted to assess the effect of different salinity levels on growth and ion contents of black seeds (Nigella sativa L.) at Shakarganj Botanic Garden, Jhang, Pakistan. There were three levels of NaCl salinity as 0 (control), 3 dS/m and 6 dS/m. All growth attributes such as fresh and dry shoot weights, shoot length decreased with increase in salinity levels, but in contrast...
The response of kenaf (Hibiscus cannabinus L.) to Zn/Cd contamination in soil was investigated using pot experiment. Plants were grown on soils containing increasing doses of two metals. Zn and Cd were applied alone or combined. Growth parameters as well as content of photosynthetic pigments, and photosynthetic performance were determined. Soil and plant tissue were analyzed by atomic absorptio...
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