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The effect of the term of mulching and herbicides spraying on ‘Foxtrot’ tulip flowering and bulbs yield

100%

Marcinek B., Durlak W., Szmagara M., Galant H., Wegrzyn A.

Acta Scientiarum Polonorum. Hortorum Cultus

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2019

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tom 18

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nr 4

The experiment studied the effect of various mulching terms of ‘Foxtrot’ tulips with wheat straw in combination with spraying of plantations with herbicides using various doses and different amounts of working liquid. The mulch was laid out just after planting and after the soil had frozen. The experiment included combinations, in which the mulch was left until the end of the growing season or removed in spring. Spraying with single (linuron 675 g·ha–1 + lenacyl 1000 g·ha–1) or double herbicide dose (linuron 1350 g·ha–1 + lenacyl 2000 g·ha–1) was made before covering the soil with mulch and also on mulch – two weeks after planting the bulbs, or in the spring after thawing the soil. Volumes of 300 dm3 and 600 dm3 of working liquid were used for spraying. Tulips covered with mulch bloomed 2–3 days later and formed longer shoots as compared to non-mulched ones. The highest yield of marketable bulbs and the first-selection ones was obtained from tulips mulched immediately after planting and sprayed 2 weeks later with herbicides used in a single dose of 600 dm3 of a working liquid. Mulching of tulips after soil freezing and removal of mulch in spring adversely affects the number and weight of commercial bulbs. The lowest yield was obtained in combinations, in which the mulch was not used. The use of additional nitrogen fertilization before laying out the mulch did not affect the yield of tulips. Herbicides can be used both before mulching and after covering the plantation with mulch. It is not necessary to increase the dose of the agent and the amount of water.

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The after-effect of long-term reduced tillage systems on the biodiversity of weeds in spring crops

88%

Wozniak A., Haliniarz M.

Acta Agrobotanica

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2012

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tom 65

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nr 1

A strictly controlled field experiment on traditional and reduced tillage systems as well as herbicide treatment was conducted at the Agricultural Experimental Station of Uhrusk in the years 2007-2011. In the last year of the experiment, the effect of different tillage systems on the level of weed infestation and biodiversity of weeds was determined in all the plots for the crop of common spring wheat Triticum aestivum L., spring durum wheat Triticum durum Desf., and oat Avena sativa L. at two growth stages: tillering (23/24 on BBCH scale) and dough stage (83/85). A higher number and higher air-dry weight of weeds were determined at tillering than at the dough stage. Long-term reduced tillage increased the number of weeds per 1m2 at the tillering stage, contrary to herbicide treatment. At the dough stage, a higher number of weeds was observed in the herbicide treatment and reduced tillage plots compared to traditional tillage. The air-dry weight of weeds at the tillering and dough stages of cereals was significantly higher in the case of herbicide treatment than under the traditional and reduced tillage systems. Weed communities in spring wheat, durum wheat and oat included mostly annual weeds. A higher number of weed species was determined in the plot with long-term herbicide treatment than in the plots with reduced and traditional tillage systems.

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Zachwaszczenie łanu i plonowanie ziemniaka w zależności od sposobu pielęgnacji i warunków pogodowych

88%

Acta Agrophysica

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2017

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tom 24

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nr 1

Wyniki badań pochodzą z doświadczenia polowego przeprowadzonego w latach 2008-2010 w Rolniczej Stacji Doświadczalnej Zawady należącej do Uniwersytetu Przyrodniczo- Humanistycznego w Siedlcach. Dwuczynnikowy eksperyment założono metodą split-plot, w trzech powtórzeniach, na glebie zaliczanej do kompleksu żytniego bardzo dobrego i klasy bonitacyjnej IVa. W doświadczeniu badano dwa czynniki. Czynnikiem I były odmiany ziemniaka: Satina, Tajfun, Cekin, czynnikiem II – sposoby pielęgnacji (odchwaszczania) z udziałem herbicydów i ich mieszanin: Command 480 EC, Command 480 EC i Afalon Dyspersyjny 450 SC, Stomp 400 SC, Stomp 400 SC i Afalon Dyspersyjny 450 SC oraz obiekt kontrolny – pielęgnacja mechaniczna. Wykazano, że stosowanie zabiegów mechaniczno-chemicznych z udziałem herbicydów i ich mieszanin przyczyniło się do ograniczenia zachwaszczenia w uprawie ziemniaka. Obliczenia statystyczne wykazały istotny wpływ właściwości odmianowych, sposobów odchwaszczania oraz warunków pogodowych na liczebność chwastów, plonowanie ziemniaka oraz wysokość roślin i uszkodzenia poherbicydowe. Dla praktyki rolniczej zaleca się odchwaszczanie mechaniczno-chemiczne z dwukrotnym użyciem herbicydów (przed wschodami i po nich) oraz mechaniczno-chemiczne z zastosowaniem mieszanki herbicydów przed wschodami ziemniaka.

Ograniczanie wyników

1 Acta Agrobotanica

1 Acta Agrophysica

1 Acta Scientiarum Polonorum. Hortorum Cultus

1 Durlak W.

1 Galant H.

1 Haliniarz M.

1 Marcinek B.

1 Szmagara M.

1 Wegrzyn A.

1 Wozniak A.

1 2019

1 2017

1 2012

The effect of the term of mulching and herbicides spraying on ‘Foxtrot’ tulip flowering and bulbs yield

The after-effect of long-term reduced tillage systems on the biodiversity of weeds in spring crops

Zachwaszczenie łanu i plonowanie ziemniaka w zależności od sposobu pielęgnacji i warunków pogodowych