2016
DOI: 10.1007/s10705-016-9772-3
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Organic fertilization in nectarine (Prunus persica var. nucipersica) orchard combines nutrient management and pollution impact

Abstract: Recycled organic fertilizers may be used to replace chemical source of nutrients; however, some nutrients such as nitrogen and heavy metals released by mineralization can become potential pollutants. The objective of this experiment was to compare, over a 3-year-period of time, the effectiveness of two organic fertilizers (cow manure and compost) with a traditional mineral fertilizer on soil fertility, tree nutritional status, heavy metal concentration in soil and plant in a mature nectarine orchard. Trees wer… Show more

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Cited by 17 publications
(12 citation statements)
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References 33 publications
(33 reference statements)
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“…In addition, the carboxyl and phenolic functional groups, proper of organic matter, form stable complexes with metals, therefore the addition of organic material to the soil may lead to a fixation of metals and decrease in their availability for root uptake. Similar results were found in a trial on nectarine tree supplied with cow manure, municipal solid waste compost or mineral fertilizer that showed a decreased of Pb soil accumulation when cow manure was applied and no effect on heavy metal accumulation in fruit (Baldi et al, 2016). It is possible that organic matter promoted the formation of soluble organic form of Pb, that moved to the deeper soil profiles outside the root volume.…”
Section: Heavy Metalsupporting
confidence: 81%
“…In addition, the carboxyl and phenolic functional groups, proper of organic matter, form stable complexes with metals, therefore the addition of organic material to the soil may lead to a fixation of metals and decrease in their availability for root uptake. Similar results were found in a trial on nectarine tree supplied with cow manure, municipal solid waste compost or mineral fertilizer that showed a decreased of Pb soil accumulation when cow manure was applied and no effect on heavy metal accumulation in fruit (Baldi et al, 2016). It is possible that organic matter promoted the formation of soluble organic form of Pb, that moved to the deeper soil profiles outside the root volume.…”
Section: Heavy Metalsupporting
confidence: 81%
“…In the soil of the Po Valley, in northern Italy, mineral N is mainly comprised of NO 3 − -N, since NH 4 + -N oxidizes rapidly [16]. As a result, the mineral-N:NO 3 − -N ratio is almost steady, and only water soluble NO 3 − -N is commonly detected for fertilization management [17]. During the growing season, the optimal NO 3 − -N concentration ranges between 5-20 mg kg −1 [18,19].…”
Section: Discussionmentioning
confidence: 99%
“…As for woody plants [8,9], the effects of compost on grapevine growth, yield, berry composition [10,11], and on changes induced on soil chemical, biological, and physical properties [12,13] have been widely examined. Whereas inorganic fertilizers are promptly available for plants, organic amendments decompose gradually, mineralizing nutrients over time, and consequently supplying plants with elements during the whole growing season [14].…”
Section: Introductionmentioning
confidence: 99%