[PDF] Top 20 Phosphorus Fractions in Soil with Organic and Mineral Fertilization in Integrated Crop-Livestock System

... three organic fertilizers (poultry litter, pig slurry, and compost) and two mineral fertilizers (M1, equivalent to pig slurry; and M2, equivalent to poultry litter) in ... See full document

... used in the United States and has high extraction capacity for P linked to the organic fraction of the soil, which is significant in soils under NT (RHEINHEIMER; ANGHINONI, ...methods ... See full document

... RP, and MTP) did not alter the GY (Figure 1A), WTS (Figure 1B) and SDM (Figure 1C) components in the soybean ...(RP and MTP) and subsequent use by the ...accumulation and export ... See full document

... Po fractions (Table 3), as reported by Motavalli and Miles (2002) and Sharpley et ...increase in these fractions might be the result of manure humification by microorganisms (Hedley et ... See full document

... P fractions in the soil, in all layers and periods of forest use, the recalcitrant (Residual-P) and moderately labile (NaOH-P) forms were the most abundant, since together they ... See full document

... effect in the concentration of different P forms. TP concentration in runoff was more affected by intensity than the DRP con- centration, but with an inverse effect since the TP con- centration ... See full document

... fertilizers in topdressing of crops may be a strategy for decreasing the application rates of animal manure and also for increasing synchronism between N release and uptake by plants, increasing ... See full document

... Al in the soil ...associated with the concentrations of cations and soluble organic carbon compounds, which are normally greater for green manure residues (MIYAZAWA; PAVAN; CALEGARI, ... See full document

... of soil management, especially in regions where the maintenance of cover crops in no- tillage systems is ...evaluate soil physical and chemical properties, based on the hypothesis that ... See full document

... sources in Brazil are phosphates water-soluble, citrate soluble and with low solubility in both water and ...(TSP) and magnesium thermophosphate (MTP), present better performance ... See full document

... composition, mineral content, and mineral absorption in signal grass (Urochloa decumbens) grown with different eucalypt clones in an integrated ... See full document

... 5% in the soil with PSM to 7% in the soil with NPK, while the fraction of inorganic NaOH ...5% in the soil with PSM to 8% in the soil ... See full document

... bacteria and N fertilization in corn crops in ICL are few or still without ...bacteria in corn crops presents limitations, especially due to the inconsistency of the results, which vary ... See full document

... increases in SOC cause a decrease in soil friability (Figures 2b, c and d), probably due to the aggregat- ing effects of ...SOC and its interaction with inorganic soil ... See full document

... term integrated crop-livestock (ICL) is commonly used to describe the rotation of annual grain crops and grazed grass and/or legumes ...cover and be used for animal feeding, ... See full document

... shucked, and it was verified if the grains were humidity up to 15%, using a digital humidity meter Motomco ...which in turn was multiplied by the number of plants per useful plot to de- termine the ... See full document

... days in the first season and 102 days in the second ...2011, and from April 17 to 18, 2012, when ¼ of the grains reached the milk stage, the crops were harvested with a mechanical ... See full document

... develop and implement a linear-programming model (LP) that provides as its result a schedule with the best selection of crops in each plot per period, and with the greatest weight gain ... See full document

... density and relative density were higher in the topsoil (0-0.10 m) and declined as depth increased (Figure ...High soil density values in the surface layer are associated with ... See full document

... As formas de P podem ainda ser subdivididas quanto ao seu grau de estabilidade em lábeis e não lábeis. A fração lábil é representada pelos fosfatos orgânicos e inorgânicos capazes de funcionar como um reservatório para a ... See full document