abstract efficient use and management of organic matter are important aspects of sustainable agricultural. organic matter is relatively low in majority of soils in iran, and continuous use of n fertilizer would create environmental hazards. therefore, the combined use of n fertilizer and organic wastes is an effective strategy. the purpose of this study was investigating of residual effects of ...

introduction moisture limitation is considered as one of the important limiting factors in soybean growth. drought stress affects different aspects of soybean growth through making anatomical, physiological and biochemical changes (tarumingkeng & coto, 2003). under dry tension condition, there will be a disturbance in transmitting nutrients, but some useful soil fungi such as mycorrhiza improve...

A field experiment was carried out throughout Zaid season 2022 on the research farm of Department Soil Science and Agricultural Chemistry, SHUATS, Prayagraj, to examine variations in physicochemical properties soil yield maize, as affected by levels NPK vermicompost eastern part Uttar Pradesh. The at test site sandy loam texture is located 25024’30’’ North latitude, 81051’10” East longitude, ab...

in order to effects of fertilizer source and intercropping ratios on macronutrients concentration and uptake of fenugreek and black cumin, a factorial experiment was conducted as randomized complete block design with three replications at shahrekord university research farm in 2013. sole cropping of fenugreek (f) and sole cropping of black cumin (b) and three intercropping ratios (f:b 2:1, f:b ...

The effects of food waste vermicompost on populations of adult striped cucumber beetles (Acalymma vittatum) and spotted cucumber beetles (Diabotrica undecimpunctata) on cucumbers and larval hornworms on tomatoes (Manduca quinquemaculata) were evaluated in both greenhouse and field experiments as well as damage caused. In the field, cucumber and tomato plants were grown, with two different appli...

Background & Aim: Thymus daenensis is recognized as aromatic herbs,   which used in food, flavoring, pharmaceutical, and perfumery industries. This   study was conducted to investigate the response of T.daenensis to   different fertilizers (chemical and organic) along with chitosan.  Experimental:  Treatments consisted of different fertilizers...

in order to investigate the integration of phosphorus fertilizer different levels and phosphorus solubilizing bacteria p.fluorescens on quantitative and qualitative forage yield of two fall barley cultivars, an experiment carried out at research farm of college of agriculture of university of tehran during 2009-2010. the experiment design consisted of three randomized complete blocks in a facto...