Nutritional management is an important factor in the success of crop production. In order to evaluate different level of nitrogen, potassium and zinc fertilizers on agro physiological characteristics of green bean a field experiment was conducted as split-plot based randomized complete block design in three replications, in Varamin university field research during 2011. The main plot included u...

to investigate the appropriate distribution of nitrogen fertilizer application and optimum amount of phosphorus fertilizer to achieve high quality and quantitative yield in edible and seed potato (solanum tuberosum l.) tubers, this experiment was conducted in research farm of the college of agriculture and natural resources, university of tehran in 2012. the experiment was performed a strip spl...

Work under this investigation included farm survey, extension, and research components using both the CLSU research station and demonstration farms. An experiment was conducted for the determination of optimal stocking sizes, considering the growth and survival performance of various sizes of fingerlings along with economic factors. Size #22 sex-reversed nursery phase fingerlings of Nile tilapi...

in order to study the effect of chemical and biological fertilizers on silage corn under different plant densities, a split plot experiment was carried out in a randomized completely block design with three replicates in south western iran. the main plot included nitrogen fertilizer treatment at three levels (n1: with out chemical and organic fertilizers, n2: 75% chemical fertilizer + 100% orga...

The objective of this study was to determine the bread wheat's ideal level for nitrogen fertilizer applications on Eutric andosol. treatments included phosphorus (0, 10, 20, 30, 40kg/ha) and 46, 69, & 92kg/ha) at four levels each in a factorial combined effect complete block design with three replications. 3m x plot 150kg/ha seed rate used. Wheat variety called "Ogolcho" applied evaluate tr...

Abstract A field experiment was conducted at a research station of soil science Water Resources Department, College Agriculture, University Tikrit, for the agricultural season 2022 AD, according to randomized complete block design (RCBD) with eighteen treatments and three replications aim studying effect organic fertilizer applicatiion ground nutrition chelated iron zinc on vegetative growth ch...

management of organic and inorganic fertilizer application and residual of them are very important in their effect on environment and plant yield. in order to determine the effect of drought stress and different amendments on flower, essential oil and chamazulene yield and its components of matricaria chamomilla l., this study was conducted as a split plot design with three replications, at agr...