in this study theeffect ofdrought stress was investigated on grain yield and oil rate and protein percentage of four varieties of castor in the climatic conditions of damghan. the experiment was done in the research farm of damghan islamic azad university(iran)in 2011 assplit plots in a randomized complete block design with three replications. the main plots of drought stress were 5, 10 and15 d...

ing. The band control received a coulterknife pass without fertilizer. Soybean response to direct P application was evaluated in seven trials (Sites 1 through 7). The treatments were applied in the fall (October or November) after harvesting the previous corn crop and before soils had frozen. At the remaining seven trials (Sites 8 through 14), P was applied 1 year earlier (in the fall prior to ...

BACKGROUND Forest plots are graphical displays of findings of systematic reviews and meta-analyses. Little is known about the style and content of these plots and whether published plots maximize the graphic's potential for information exchange. METHODS We examine the number, style and content of forest plots presented in a previously studied cross-sectional sample of 300 systematic reviews. ...

Knowledge of the solubility phosphate fertilizers is fundamental for phosphorus (P) recommendation management and choosing laboratory evaluation method nutrient availability in soil according to history fertilization. The aim was evaluate initial development corn plants as a function application triple superphosphate (TSP) natural Arraias (NPA) with without liming incubation time, well availabl...

as a generalization of the triple i method, the universal triple imethod is investigated from the viewpoints of both fuzzy reasoningand fuzzy controller. the universal triple i principle is putforward, which improves the previous triple i principle. then,unified form of universal triple i method is established based onthe (0,1)-implication or r-implication. moreover, the reversibilityproperty o...

Aimed to evaluate the productive, morphological and nutritional characteristics, in addition accumulation of nutrients aerial part Urochloa brizantha cv. Marandu subjected phosphorus chemical sources its interaction with phosphate-solubilizing inoculant. The experiment was developed Colorado do Oeste, RO, Brazil, being adopted a randomized block design three replications. treatments consisted d...

a field study was conducted at the college of agriculture, shiraz university, shiraz, iran to evaluate the effect of different crop residue and nitrogen rates on yield and yield components of two dryland wheat (triticum aestivum l.) cultivars. the experiment was conducted as a strip split plot with four replications. vertical plots included two dryland current wheat cultivars (azar2 and nicknej...