نتایج جستجو برای: plant p uptake

تعداد نتایج: 1728511  

2011
Patrick A. Ndakidemi Sylvia Bambara

Pot and field experiments were done to establish the effect of Rhizobium inoculation, Molybdenum and lime supply on the availability of micronutrients (Cu, Zn, Mn, Fe, B and Mo) in Phaseolus vulgaris L. In both field and pot experiments, Rhizobium inoculation significantly improved uptake of Mn, Fe, Cu, Zn, B and Mo in all organs (roots, shoots, pods and whole plants) except the Mo uptake in ro...

Journal: :Agronomy 2021

Phosphorus (P) is an important macronutrient required for crop growth but a finite resource in agriculture. The objective of this study was to examine the effects soybean seed size and P content on accumulation up anthesis (30–40 DAP). Pot experiments were carried out greenhouse with 15 genotypes different (TKW 146–304 g) two substrates differing plant available P, i.e., low (LP) at 6.17 mg kg−...

2012
Kari Ylivainio Tommi Peltovuori

We studied the effects of soil temperature (8 °C and 15 °C) on barley growth, barley phosphorus (P) uptake and soil P solubility. Barley was grown in a pot experiment in two soils with different P fertilization histories for 22 years. The availability of P was estimated by using 33P-labeled fertilizer and calculating L-values. After cultivation for 22 years at ambient soil temperature without P...

Journal: :journal of ornamental plants 2015
m.a. khalaj b. edrisi m. amiri

plant spacing and nitrogen are the most important factors for increasing tuberose quality and quantity. in this study, field experiment carried out as factorial randomized completely block design (rcbd) in 3 replications. different levels of nitrogen (0, 50, 100, 150, 200, 250 kg/ha) of ammonium nitrate was used. second factor was different plant spaces (10, 15, 20 and 25 cm). results showed th...

2017
Jeong-In Hwang Sung-Eun Lee Jang-Eok Kim

Pesticides that persist in soils may be taken up by the roots of plants. One way to assess plant uptake is to theoretically predict the extent of plant uptake using a mathematical model. In this study, a model was developed to predict plant uptake of pesticide residues in soils using various parameters, such as pesticide mobility within soil, plant transpiration stream, root-soil transfer rate,...

2017
Qianqian Guo Matthew Hamish Turnbull Jiancheng Song Jessica Roche Ondrej Novak Jana Späth Paula Elizabeth Jameson Jonathan Love

The mechanisms linking C/N balance to N uptake and assimilation are central to plant responses to changing soil nutrient levels. Defoliation and subsequent regrowth of grasses both impact C partitioning, thereby creating a significant point of interaction with soil N availability. Using defoliation as an experimental treatment, we investigated the dynamic relationships between plant carbohydrat...

1998
Daniel P. Schachtman Robert J. Reid

P is an important plant macronutrient, making up about 0.2% of a plant’s dry weight. It is a component of key molecules such as nucleic acids, phospholipids, and ATP, and, consequently, plants cannot grow without a reliable supply of this nutrient. Pi is also involved in controlling key enzyme reactions and in the regulation of metabolic pathways (Theodorou and Plaxton, 1993). After N, P is the...

Journal: :The British journal of nutrition 2010
Violet Kasabri Peter R Flatt Yasser H A Abdel-Wahab

Traditional plant treatments have been used throughout the world for the therapy of diabetes mellitus. The aim of the present study was to investigate the efficacy and mode of action of Terminalia bellirica used traditionally for the treatment of diabetes in India. T. bellirica aqueous extract stimulated basal insulin output and potentiated glucose-stimulated insulin secretion concentration-dep...

Journal: :Plant physiology 1998
Schachtman Reid Ayling

P is an important plant macronutrient, making up about 0.2% of a plant’s dry weight. It is a component of key molecules such as nucleic acids, phospholipids, and ATP, and, consequently, plants cannot grow without a reliable supply of this nutrient. Pi is also involved in controlling key enzyme reactions and in the regulation of metabolic pathways (Theodorou and Plaxton, 1993). After N, P is the...

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