Cherry tomato cultivation in protected environments ensures production the off-season, reaching yields up to 100 t ha-1 with 150 days of cultivation. Fertilization organic composts can influence components cherry tomato. From this perspective, study aimed evaluate different doses and composts, based on their nitrogen contents, The experiment was conducted municipality Boa Vista - RR, at Agrotec...

An experiment was carried out at the Agronomy Research Farm of Sher-e-Bangla Agricultural University, Dhaka during period from November 2018 to June 2019 study nitrogen requirement boro rice grown with floating duckweed. The laid in a Factorial Randomized Complete Block Design three replications. treatments were duckweed: viz. D0 = Control (0 g duckweeds m-2), D1 200 m-2, D2 400 m-2 and D3 600 ...

Faced with the contrasting results of inoculation and co-inoculation in bean crop, an experiment was carried out pots, objective evaluating performance plant treatments inoculated or co-inoculated Rhizobium tropici Azospirillum brasilense, via seeds, without chemical treatment fungicide insecticide, combined 4 top-dressing nitrogen doses (0, 30, 60, 120 kg ha-1), a ‘Latossolo Vermelho-Amarelo d...

Copper is a microelement involved in the metabolism of nitrogen compounds plants. Good utilization from soil and fertilizers by plants requires an adequate supply copper. The aim study was to determine effect increasing levels copper (100, 200, 300 mg Cu·kg−1 soil) applied together with various organic (cattle manure, chicken spent mushroom substrate) on content uptake cocksfoot (Dactylis glome...

Evidence is here given that polysaccharides can be rendered antigenic by haptogenic adsorption upon a colloid carrier. The polysaccharides studied were those of B. anthracis, the meningococcus, Streptococcus viridans (Bargen), B. proteus, S. morgani, B. dysenteriae, both the Shiga and Hiss types, and the pneumococci. With the polysaccharide of Type III pneumococci, we have been unable in 6 week...

3,3′-Diaminobenzidine was applied at doses of 5, 10, 25, and 50 mg kg−1 of soil and their effects were evaluated on indigenous soil microbial communities (viable aerobic bacteria, fungal populations, aerobic N2-fixing bacteria, denitrifying, and nitrifying bacteria), and soil enzymatic activities (acid and alkaline phosphatases, arylsulfatase, and dehydrogenase). At doses of 5 or 10 mg kg−1, 3,...