搜索结果: 1-15 共查到“农学 weed infestation”相关记录15条 . 查询时间(0.072 秒)
Effect of green manure legume - maize rotation on maize grain yield and weed infestation levels
Green manure legume maize rotation weed infestation
2011/1/10
The use of green manure legumes (GLM) as cover crops in rotation with maize has the potential to enhance maize yields. The objectives of this study were to determine the effect of GML - maize rotation...
CORRELATIONS BETWEEN WEED INFESTATION AND POTATO TUBER YIELD AND ITS STRUCTURE DEPENDING ON THE FERTILIZATION SYSTEMS AND THE AGRONOMICAL CATEGORY OF SOIL
tuber fractions correlations fertilization soil type weed infestation potato
2009/3/31
The field research was carried out in the years 2000-2003 at the Experimental Farm of Lublin Agricultural University, located in Bezek near Chełm (51o19’ N; 23o26’ E). The purpose of this work wa...
WEED INFESTATION OF THREE GRAIN SPECIES CULTIVATED UNDER CEREAL CROP ROTATION AND THREE TECHNOLOGIES VARYING IN PRODUCTION INTENSITY
cereal crop rotation intensity of production technology weed infestation winter wheat winter triticale spring bar ley
2009/3/31
Assessment of weed infestation in winter wheat, winter triticale and spring barley cultivated since year 1998 in cereal crop rotation under three technologies varying in production intensity was cond...
Mamestra dissimilis Knoch. POTENTIAL TO CONTROL WEED INFESTATION WITH MOSSY SORREL（Rumex confertus Willd.）
Mamestra dissimilis Knoch dog’s tooth Rumex confertus Willd mossy sorrel feeding
2009/3/31
Field and laboratory research were conducted to determine the potential of Mamestra dissimilis Knoch., Lepidoptera: Noctuidae to control mossy sorrel (Rumex confertus Willd.). In the natural sorrel ha...
DYNAMICS OF FIELD WEED INFESTATION DEPENDING ON THE CROP SPECIES AND WEED CONTROL METHOD IN SPRING BARLEY
weeds buckwheat oat spring barley
2009/3/31
The 1999-2000 experiment investigated the field weed infestation, depending on the crop species (spring barley, oat, buckwheat), and weed control methods in spring barley (post-emergence harrowing, Ch...
EFFECT OF REDUCED TILLAGE ON YIELD, WEED INFESTATION OF MAIZE AND SOIL PROPERTIES
maize reduced tillage direct drilling weed infestation physical and chemical soil
2009/3/30
The research was conducted in 1999-2002 at the Brody Experimental Station of the Poznań Agricultural University. The aim of this study was to determine the effect of tillage systems (conventional, red...
EFFECT OF VARIED CROP SEQUENCE AND CHEMICAL CONTROL OF THE STAND ON WEED INFESTATION OF OAT
oat weeds monoculture crop rotation chemical control, cultivars
2009/3/30
This paper presents a study on the effect of a 26- to 31-year monoculture on the weed infestation of two oat cultivars with and without chemical control. The 6-year study was carried out in a static ...
EFFECT OF MULTI-YEAR DIFFERENTIATED FERTILISATION ON THE WEED INFESTATION OF SPRING BARLEY AND WINTER WHEAT IN CROP ROTATION
multi-year fertilisation weed infestation spring barley winter wheat crop rotation
2009/3/30
The aim of the present studies carried out over 1994-1998 was to define the effect of multi-year fertilisation with straw + NPK, NPK only, manure only, manure with: PK, NK, NP, NPK, NPK + Ca and no fe...
EFFECT OF DIFFERENT FERTILISATION METHODS ON WEED INFESTATION AND YIELDING OF SPRING WHEAT
spring wheat compost spray with biopreparations straw farmyard manure green manure
2009/3/30
The aim of the studies carried out in 1997-2002 was a comparison of weed infestation and spring wheat yielding when organic and conventional fertilisation was applied. It was observed that fertilisati...
EFFECT OF HERBICIDE APPLICATION METHOD ON WEED INFESTATION AND GRAIN YIELD OF WINTER WHEAT
wheat weed control herbicide mixtures Apera spica-venti
2009/3/30
Three-year field experiment (1999-2001) was conducted to determine the effectiveness of Treflan 480 EC herbicide (trifluraline) for common windgrass (Apera spica-venti) control applied directly after ...
EVALUATION OF DIFFERENT METHODS OF POTATO WEED CONTROL PART II. RELATIONSHIPS BETWEEN WEED INFESTATION AND YIELDING
potato weed infestation yield linear correlation analysis of regression
2009/3/30
The research results come from a field experiment which was carried out over 1995-1997. The effect of weed infestation on potato yielding was determined by means of the coefficients of correlation and...
TILLAGE METHOD AND TRITICALE WEED INFESTATION AND YIELDING
winter triticale spring triticale simplified tillage weed infestation
2009/3/30
The studies were carried out on the Experimental Farm at Zawady in the years 1999-2002. A field experiment followed the field method without replications. In case of both winter and spring triticale t...
Sesame (Sesamum indicum L.) weed infestation, yield and yield components as influenced by sowing method and seed rate in a Sudan Savanna agro-ecology of Nigeria
Sesame production sowing methods seed rates weed control seed yield
2009/3/4
An experiment on the influence of seed rate and sowing method on sesame (Sesamum indicum L.) weed infestation, yield and yield components was conducted at Maiduguri, Nigeria, during the 2001 and 200...
The effect of conservation primary and zero tillage on soil bulk density, water content, sugar beet growth and weed infestation
conservation primary zero tillage soil bulk density water content sugar beet growth weed infestation
2010/1/18
The effect of conservation primary and zero tillage on soil bulk density, water content, sugar beet growth and weed infestation.
Effect of conservation tillage and peat application on weed infestation on a clay soil
Avena sativa Chenopodium album clay soil stubble cultivation Fumaria officinalis Hordeum vulgare Lamium purpureum mouldboard ploughing
2010/8/13
Amendment of soil with peat is an attempt to avoid crop yield variation in the transition to conservation tillage, as it improves seedbed conditions and crop growth in drought-sensitive clay soils. We...