Agrarian
Bulletin
of the Urals

Russian Journal of Agricultural Research

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Registration certificate: PI number 77-12831 on May 31, 2002
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ISSN 1997 - 4868 (Print)

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ISSN 2307-0005 (Online)
Key title: Agrarnyj vestnik Urala (Online)
Abbreviated key title: Agrar. vestn. Urala (Online)

Аграрный вестник Урала № 12 (166) 2017

Биология и биотехнологии

Моисеев А.Н. соискатель Тюменская государственная сельскохозяйственная академия

Моисеева К. В. аспирант Уральский государственный аграрный университет

УДК:633.582

CONTAMINATION OF GRAIN AND GRASS CROP ROTATION OF NORTHERN FOREST-STEPPE OF THE TYUMEN REGION

 In springwheat in the phase of full ripeness (before cleaning) showed the increase in allbiological groups of weeds. The article presents the results of investigationson the weed infestation and productivity of grain and grass crop rotation.Field experiments were conducted in the Northern forest-steppe of the Tyumenregion on the experimental field of Agrotechnology Institute 2006–2010 NorthernTrans-Ural State Agricultural University, leached Chernozem. Analyzing thecontamination of grain and grass crop rotation revealed that at tillering weedinfestation of spring wheat made up 29.9 per PCs/m2, of which 10.5PCs/m2 monocotyledonous weeds, 17.2 PCs/m2 youngdicotyledonous weed plants and 2.2 PCs/m2 perennial weeds. Croprotation was an increase in the number of weed plants (tillering stage) asmonocotyledons and dicotyledons young to the fourth field — spring wheat 0.60PCs/m2, 3.20 PCs/m2, respectively. Dry weight of weedsamounted to 22.1 g/m2 small dicotyledonous weeds and 15.8 g/m2dicotyledonous perennial. Degree of clogging (at tillering) was 5.6 %, andbefore cleaning to 2.7 %, which is characterized by weak degree of clogging. InGeneral, grain-grasses crop rotation reduce the weeds increasingly marked inthe third field crop rotation in crops of winter rye for green forage was 7.4PCs/m2 Yield of spring wheat in average years of research in thestudied crop rotation amounted to 2.74 t/ha. It can be concluded thatgrain-grass crop rotation is less contamination, due to positive agriculturaltechnology assessment of winter rye in relation to the weeds.


Keywords:

contamination, most of that dry weight of weeds, perennial grass weeds young, grain-grass crop rotation.


References:

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2. Maltsev A. I. Weed vegetation of the USSR and measures of struggle with it. M.-L., 1962. 244 p.

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9. Moiseev A. N., Moiseeva K. V. Rotation as the element of resource // Sat. “Environmental management and socio-economic development of rural areas as the basis for efficient functioning of agroindustrial complex of the region” : mat. All-Russian scientific-practical conf. with international participation, dedicated to the 80th anniversary since the birth of honored worker of agriculture of the Russian Federation, honorary citizen of the Chuvash Republic of Idaca Arkady Pavlovich. Cheboksary : Chuvash State Agricultural Academy, 2017. P. 122–125.

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