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Di Paolo E.,Centro per la Sperimentazione e Divulgazione delle Tecniche Irrigue | Garofalo P.,Centro per la Sperimentazione e Divulgazione delle Tecniche Irrigue | Garofalo P.,Italian Agricultural Research Council | Rinaldi M.,Centro per la Sperimentazione e Divulgazione delle Tecniche Irrigue | Rinaldi M.,Italian Agricultural Research Council
Legume Research | Year: 2015

Broad bean (Vicia faba var. minor L.) is a legume crop cultivated in the Mediterranean area for animal feeding and green manure purposes. The crop has an important role on the sustainability of the cropping systems for its ability to fix nitrogen and for the effects on soil structure, weed competition, nitrate leaching and pest control. This research, carried out in Central Italy, investigated the effect of the irrigation and nitrogen fertilization on productive traits of broad bean (biomass, seed yield, seed weight, harvest index, protein yield), seed chemical composition (nitrogen, phosphorus, potassium, trypsin inhibitors, tannin polyphenols, total polyphenols), water and nitrogen budgets (ETc, WUE, plant N content, N fixed, soil N uptake). The yearly variability was the factor that greatly influenced the crop performances in term of total biomass (13.6 t ha-1, on average), yield (3.53 t ha-1, on average) and protein yield (841 kg ha-1, on average). Evapotranspiration was affected by the water availability (rainfall and irrigation), and water use efficiency for the biomass (31.68 g kg-1, on average) and yield (8.36 g kg-1, on average) were quite stable among water and nitrogen treatments. Anti-nutritional factors in the seed remained similar for all experimental treatments and below the threshold levels for animal feeding purposes. © 2015, Agricultural Research Communication Centre. All rights reserved.


Fecondo G.,Centro per la Sperimentazione e Divulgazione delle Tecniche Irrigue | Bucciarelli S.,Centro per la Sperimentazione e Divulgazione delle Tecniche Irrigue | Di Paolo E.,Centro per la Sperimentazione e Divulgazione delle Tecniche Irrigue | Ghianni G.,Centro per la Sperimentazione e Divulgazione delle Tecniche Irrigue
Italian Journal of Agronomy | Year: 2015

Biowaste compost exploitation is a way of recovering agricultural soil fertility that in these last decades decreased up to a desertification limit. In order to test compost efficacy on crop yield and soil fertility, in the period 2011-2013 at COTIR experimental farm, a trial comparing different amounts of compost on two crop rotations was carried out. Crop rotations tested were durum wheat-sunflower-durum wheat and tomato-durum wheat-pepper. Results showed that the use of 40 t ha–1of compost increased wheat grain yield and protein content if compared to control and mineral fertilised treatment. Compost application at 40 t ha–1 increased also yield of pepper in the first two harvest times, while during the third harvest, which included green and red berries, (the) yield was statistically different only if compared to control treatment. Moreover, compost improved soil fertility both in terms of organic matter and main nutritional elements, while a negative aspect of its use was the increase of soil electric conductivity, although no negative effect on crops yield were observed. © G. Fecondo et al., 2015.

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