abstract limited number of herbicides are used to control weeds in soybean, which has herbicides resistance in consequence, so cultural weed management can be used in order to evaluate the effect of planting dates of soybean cultivars on weed management an experiment was conducted in randomized complete block design (rcbd) with four replications and with strip plot arrangement in sari. two plan...

Application of a preplant or preemergence glyphosate burndown is routine in most no-tillage production systems of annual crops, however, time of application may influence overall weed control and grain yield. Six field trials were conducted over a three-year period (2008, 2009 and 2010) near Ridgetown, Ontario, Canada to determine the effect of glyphosate burndown application timing in glyphosa...

Pot experiments were carried out during the two successive summer seasons of 2010 and 2011 in the greenhouse of Crops Physiology Research Department, Field Crops Research Institute, Agricultural Research Center, Giza, Egypt to investigate the effect of pollution with cadmium at concentrations of 50, 100 and 200 ppm on vegetative growth, leaf anatomy, yield and certain physiological aspects of s...

Biodiesel production technology is competitive in terms of low cost and alternative source of energy which should be not only sustainable but also environmentally friendly. Designing of the lipase immobilization for biodiesel production has a remarkable impact and is still challenging. In this work, biodiesel production from soybean oil was enhanced and facilitated by using a novel biocatalyst ...

Rotating soybean (Glycine max cv. Kirby) with peanut (Arachis hypogaea cv. Florunner) for managing Meloidogyne arenaria race 1 was studied for 3 years (1985-87) in a field near Headland, Alabama. Each year soybean plots had lower soil numbers of M. arenaria second-stage juveniles (J2) at peanut harvest than did plots in peanut monocnlture. Peanut following either 1 or 2 years of soybean resulte...

in order to study the effect of different redroot pigweed (amaranthus retroflexus) density on yield, yield components of soybean cultivar and determining competitive cultivar, a field experiment was carried out at mazandaran agricultural research station 2006. experiment was set up at a randomized complete block design with five rates of pigweed (0, 4, 8, 12 and 16 plant per square meter) and t...

Soybean viruses have become more problematic in recent years due to increased prevalence of insect vectors. The appearance of the soybean aphid (Aphis glycines) in 2000 and the increasing levels of bean leaf beetle (Cerotoma trifurcata) have played important roles in increasing the range and severity of specific soybean viruses. Yield can be reduced, as well as diminished seed quality due to mo...