To investigate interaction of herbicide and nitrogen on wheat and Lepyrodiclis (Lepyrodiclis
holosteoides Fenzl.), a research was conducted at two different locations (Shahriyar and …

In order to evaluate the effect of nitrogen, plant density and weeds on growth and yield of
wheat cv. Shiraz, an experiment was conducted during 2009/2010 and 2010/2011 growing …

To evaluate the effect of cover crops, split application of nitrogen and control weeds on
forage corn and weed biomass a factorial experiment based on randomized complete block …

Background and objective: One of the strategies to increase the yield per unit area is to use
suitable cultivars that are compatible with the climatic conditions of each region at the …

Introduction Several factors affect the crop yield and weeds are among the most important
factors reducing crop yields. There are high tendency to develop alternative methods of …

Field studies were conducted in Iran, in 2013, to investigate the effect of crop residue
management and nitrogen on the dynamics and growth of weeds in a cotton farm. The …

For determination of economic damage threshold of four wheat (Triticum aestivum L.)
cultivars in different densities of wild mustard (Sinapis arvensis L.), experiments were …

به‌منظور بررسیاثرات رقابتی خردل‌وحشی (L. Sinapis arvensis) بر عملکرد و اجزای عملکرد ارقام
گندم (Triticum aestivum L.) آزمایشیدر دو سال زراعی (90-1389) در ایستگاه تحقیقات کشاورزی …‎

به منظور بررسی اثر کشت گیاه پوششی و مصرف تقسیطی نیتروژن در مراحل مختلف رشد ذرت بر
میزان تولید علوفه و زیست توده علف های هرز, آزمایشی در ایستگاه تحقیقات کشاورزی اردبیل به …‎