نتایج جستجو برای: infested and treated spinach
تعداد نتایج: 16876601 فیلتر نتایج به سال:
Background: Excessive nitrate entry into the human body, can increase the risk of non-cancerous diseases. This research was done to determine the content and evaluate the non-cancerous risk of nitrate absorption due to consumption of vegetables distributed in the Central Fruit and Vegetable Square of Isfahan in 2016. Methods: In this cross-sectional study, in summer and winter, a total of 30...
Background & Aims : Sixty nine species of ticks in order Metastigmata may cause tick paralysis. A neurotoxin, which is found in tick salvia, is believed to be responsible for the paralysis. About 4-5 days after tick attachment paralysis occurs. The cause of the paralysis is blockage of transmission at the neuromuscular junction, due to the reduction of release of acetylcholine, and / or int...
abstract fertilizer use efficiency (fue) is one way of improving the fertilizer management in agriculture. in this study, spinach (spinacea oleracea) was used as a case study vegetable to determine its nitrogen use efficiency in varamin, iran. an experiment was conducted using split plot design with three replications. treatments included of five levels of n as 0, 150, 200, 250 and 300 kg ha-1 ...
The effects of polyamines (putrescine, spermidine and spermine) on glutathione reductase (glutathione: NADP+ oxidoreductase, EC 1.8.1.7; GR) activity of spinach leaves (Spinacia oleracea L. cv. Gladiator) were investigated under in vivo and in vitro conditions. Spinach was grown in sand culture under controlled conditions for 30 d. In in vivo assays 30-day-old plants were sprayed with polyamine...
Freezing, dehydration, and supercooling cause microtubules in mesophyll cells of spinach (Spinacia oleracea L. cv Bloomsdale) to depolymerize (ME Bartolo, JV Carter [1991] Plant Physiol 97: 175-181). The objective of this study was to gain insight into the question of whether microtubules depolymerize as a direct response to environmental stresses or as an indirect response to cellular changes ...
Nitrogen is usually the most limiting nutrient for crop production. Manganese deficiency in some calcareous soils of Iran has been reported. The objective of this study was to evaluate the effect of N and Mn on the growth and chemical composition of spinach (Spinacia oleracea L.) under greenhouse conditions. The experiment was conducted in a soil from Chitgar series (Fine-loamy, carbonatic, the...
Nitrogen is usually the most limiting nutrient for crop production. Manganese deficiency in some calcareous soils of Iran has been reported. The objective of this study was to evaluate the effect of N and Mn on the growth and chemical composition of spinach (Spinacia oleracea L.) under greenhouse conditions. The experiment was conducted in a soil from Chitgar series (Fine-loamy, carbonatic, the...
Environmental and water pollution through heavy metals is a growing concern. The recycling of untreated wastewater, which is often contaminated with heavy metals, for agricultural applications is becoming more popular. However, information on the amount of absorption and accumulation of cadmium (Cd) at variable concentrations by different crops is limited. This study aims to analyze the impact ...
Most plant species are sensitive to high ammonium concentrations. In this experiment the sensitivity of lettuce and spinach to ammonium was investigated. In a factorial experiment with framework of a completely randomized design with two factors, nitrogen form (ammonium and nitrate) and plant species (lettuce and spinach), and three replications seeds were germinated in a mixture of perlite, sa...
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