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1
Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik
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Status and development trends of Polish horticultural during 1999-2009

100%
Pizlo W.
Roczniki Naukowe Stowarzyszenia Ekonomistów Rolnictwa i Agrobiznesu
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2011
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tom 13
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nr 6
In this article raw statistical data from the Central Statistical Office, the Research Institute of Pomology and Floriculture in Skierniewice, the Institute of Agricultural and Food Economics - National Research Institute have been used. The author’s research covers the period from 1999 to 2009. Trends of the pomology development in Poland have been presented in the article. Changes in cultivation areas have been introduced as well as dominant species of apples have been pointed out. The most frequently cultivated species were Idared, Jonagold, Champion, Gloster and Cortland. The mentioned apple species reąuire high costs for plant protection.
2

Influence of fertigation with nitrogen and a complete fertilizer on growth and yielding of 'Gala' apple trees

100%
Treder W.
Journal of Fruit and Ornamental Plant Research
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2006
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tom 14
3

Variation in soil pH, calcium and magnesium status influenced by drip irrigation and fertigation

100%
Treder W.
Journal of Fruit and Ornamental Plant Research
|
2005
|
tom 13
4
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Effects of preharvest deficit irrigation treatments in combination with reduced nitrogen fertilization on orchard performance of nectarine with emphasis on postharvest diseases and pruning weights

80%
Atay E., Hucbourg B., Drevet A., Lauri P.-E.
Acta Scientiarum Polonorum. Hortorum Cultus
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2019
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tom 18
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nr 1
Fruit production should be adapted to future scenarios that are frequently associated with scarce resources, especially freshwater and fertilizers. New biologically-based fruit production strategies, i.e. taking into account tree growth and water status, are required to optimize irrigation and fertilization under abiotic stress conditions. It was hypothesized that a moderate abiotic stress, here deficit irrigation with or without nitrogen deficit, in the preharvest period, could decrease postharvest losses due to diseases and pruning weights due to reduced vegetative growth, without sacrificing the yield and fruit quality. This study was conducted over two years using the same trees of ‘Moncante’ nectarine cultivar grown in a commercial orchard. Trees were assigned to three treatments: (1) full irrigation at 80% estimated crop evapotranspiration (ETc), (2) deficit irrigation, i.e. at 75% of full irrigation, and (3) deficit irrigation and deficit nitrogen, i.e. at 75% of full irrigation and 75% of usual N-fertilization adopted by the grower in this commercial orchard. Deficit irrigation alone and in combination with deficit nitrogen reduced postharvest diseases and pruning weights without significant yield losses. Our results suggest that ETc-based approaches of reduced water irrigation may be a sustainable way to decrease phytosanitary inputs and workload in the orchard while maintaining the orchard performance.
5
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Effects of long-term use of apple orchards on some aspects of soil physical quality

80%
Acta Agrophysica
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2017
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tom 24
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nr 2
The study reported here was aimed at the estimation of the effects of over 15-years of cultivation of apple trees on the physical status of soil in orchards situated on various soils. The study was conducted on soils with silty particle size distributions (a Haplic Chernozem developed from loess, a Haplic Luvisol developed from loess (1), a Haplic Luvisol (non-uniform), developed from silt (2), and a Fluvic Cambisol developed from silty formations). The determinations included the particle size distribution and the density of the soils, solid phase density, total porosity (TP), field water capacity (FC). In addition, the quality of the air-water relations was analysed, determining the values of FC/TP ratio. The study showed that the values of the parameters under analysis were affected by the soil type, genetic horizon, soil layer, and also by the intensity of orchard care. Long-term maintenance of herbicide belts had a fairly beneficial effect on the physical status of the soils under study. A slight compaction of soil was noted (in comparison with the normal consolidation system of weakly-compacted one) as well as very good water properties. It is predicted that, only at the state of field saturation of the soil with water, conditions occurred that inhibited gas exchange between the soil and the atmosphere.
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