in order to study the effect of planting pattern and herbicide application on corn (zea mays l.) grain yield and weeds control, an experiment was carried out in 2007 at varamin research station of plant protection research institute. the experimental design was a randomized complete block in a split plot arrangement with 4 replications. experimental factors consisted of planting patterns at 4 l...

The effect of aldicarb and fenamiphos on Tylenchulus semipenetrans population densities and on orange yield was investigated during a 3-year (1986-88) field trial in Italy. Rates were 10 and 20 kg a.i./ha as an early spring single application, 5 kg a.i./ha in spring and 5 kg after flowering, and 5 kg a.i. in spring followed by 2.5 kg/ha after flowering and 2.5 kg/ha in early autumn. Rates and t...

An experiment was conducted to evaluate the effect of various levels of phosphorus fertilizer on the yield and nutritional value of sorghum fodder at three cuttings. The experiment was conducted by using 4 levels of Phosphorus fertilizer viz. 0 (T0) 40 (T1), 80 (T2) and 120 (T3) kg TSP/ha in a Completely Randomized Design (CRD). A significant effect (P<0.01) of phosphorus fertilizer application...

Uptake of cobalt (Co) and copper (Cu) by ryegrass/ white clover based dairy pasture from autumn spray applications of cobalt sulphate (CoSO 4 ) copper sulphate (CuSO 4 ) and Cu chelate was measured at a site near Woodlands in Southland. The rates of application were 0, 12.6, 25.2, 50.5 g Co/ha (0, 60, 120 and 240 g CoSO 4 / ha), and 0, 0.25, 0.5 and 1 kg Cu/ha. The concentration of Co in herbag...

A field experiment was conducted in four levels of sculpture (0, 20, 40 and 60 kg/ha) three varieties Indian mustard (NDR-8501, NDRE-4 Vardan) at Agronomy Research Farm, Narendra Deva University Agriculture Technology, Kumarganj, Faizabad, during 2012-2013. Among various dose the application kg S/ha found optimum for increasing seed yield (15.30 q/ha) oil percentage (39.36%) content mustard. Va...

in order to study the competition effects of redroot pigweed (amaranthus retroflexus) and millet (panicum miliaceum) on maize performance under different rates of n fertilizer, a field experiment was conducted in 2009 in the research fields of tarbiat modares university in tehran as a randomized complete block design with factorial arrangement of treatments and three replications. accordingly, ...

The growth and yield of Egusi melon in response to application of an Organo-mineral fertilizer was investigated. The Organo-mineral fertilizer was Cow-dung generated from an Abattoir fortified with inorganic Nitrogen. The fertilizer had a pH of 6.1; 61.2 g kg Organic Matter; 35.5 g kg -1 -1 Organic Carbon; 3.6g kg Nitrogen; 372.54 mg kg Available Phosphorus and 14.8cmol kg -1 -1 -1 Exchangeable...