• No results found

Weed biomass and density

Sugar beet yield loss predicted by relative weed cover, weed biomass and weed density

Sugar beet yield loss predicted by relative weed cover, weed biomass and weed density

... of weed density, relative weed cover, and weed biomass using non-linear regression ...Average weed densities varied from 20 to 131 with typical weed species compositions ...

9

IMPACT OF NITROGEN, SULFUR LEVELS AND THEIR RATIOS ON WEED DENSITY, WEED BIOMASS, PLANT HEIGHT AND HARVEST INDEX OF MAIZE HYBRID �BABAR�

IMPACT OF NITROGEN, SULFUR LEVELS AND THEIR RATIOS ON WEED DENSITY, WEED BIOMASS, PLANT HEIGHT AND HARVEST INDEX OF MAIZE HYBRID �BABAR�

... 1996). Weed infestation in cereals causes an enormous loss of worth ...on weed density, weed biomass and yield of maize hybrid ...

14

INFLUENCE OF ROW SPACING ON WEED DENSITY, BIOMASS AND YIELD OF CHIP BUD SETTLING OF SUGARCANE

INFLUENCE OF ROW SPACING ON WEED DENSITY, BIOMASS AND YIELD OF CHIP BUD SETTLING OF SUGARCANE

... suppressed weed growth than wider spacing (Dwyer et al., 1991). The individual weed weight and overall weed biomass reduces under narrow row spacing (Olsen et ...the biomass of ...

8

Increased weed diversity, density and
above-ground biomass in long-term organic crop rotations

Increased weed diversity, density and above-ground biomass in long-term organic crop rotations

... Organic weed management is heavily reliant on mech- anical cultivation, which is often limited by the weather in a given growing ...above-ground weed biomass can be managed at acceptable economic ...

16

Survey the Effect of Cover Crops in Reduced Sunflower Weed Biomass

Survey the Effect of Cover Crops in Reduced Sunflower Weed Biomass

... This survey was carried out in Natural Resources Research Station, Samian , s botanicals located at 15 km from Ardabil- Meshkin Shahr road with such geographic coordinates : altitude (48 and 15 minutes), altitude (38 and ...

5

EFFECT OF TILLAGE AND SOWING METHODS ON WEED BIOMASS AND MUNGBEAN YIELD UNDER IRRIGATED CONDITIONS

EFFECT OF TILLAGE AND SOWING METHODS ON WEED BIOMASS AND MUNGBEAN YIELD UNDER IRRIGATED CONDITIONS

... with weed free condition and higher yield than direct seeding, as weed infestation was higher in direct seeding compared to the conventional method (Yalcin et ...that weed density was higher ...

8

Integrated weed management along tree row in high density fruit orchards

Integrated weed management along tree row in high density fruit orchards

... trial. Weed species abundance, soil coverage rate, and weed biomass productions, including gas exchange parameters, tree growth, fruit yield and quality were ...of weed species, total ...

12

IMPACT OF TILLAGE AND MULCHING PRACTICES ON WEED BIOMASS AND YIELD COMPONENTS OF MAIZE UNDER RAINFED CONDITION

IMPACT OF TILLAGE AND MULCHING PRACTICES ON WEED BIOMASS AND YIELD COMPONENTS OF MAIZE UNDER RAINFED CONDITION

... Plant height is basically a genetic character which is modified by factors like availability of moisture and nutrients at active growth stages. Statistical analysis of the data revealed that plant height has ...

8

EFFECT OF SOWING METHODS AND MULCHING ON WEED DENSITY IN WHEAT CROP UNDER DEFICIT IRRIGATION

EFFECT OF SOWING METHODS AND MULCHING ON WEED DENSITY IN WHEAT CROP UNDER DEFICIT IRRIGATION

... of weed of all the observed ...of weed species.Crop residues may selectively provide weed suppression through their physical presence on the soil ...reduced weed germination in ...reduced ...

8

IMPACT OF CROP ROW ORIENTATION ON WEED DENSITY AND BIOMASS AND YIELD OF WHEAT

IMPACT OF CROP ROW ORIENTATION ON WEED DENSITY AND BIOMASS AND YIELD OF WHEAT

... lower weed density, its fresh and dry weight for either E-W row direction or broadcast compared to N- S rows ...its biomass but also improved yield and yield components of wheat as compared to N-S ...

8

MULCHING AND HERBICIDES AFFECT WEED DENSITY AND YIELD OF CHILIES

MULCHING AND HERBICIDES AFFECT WEED DENSITY AND YIELD OF CHILIES

... on weed density and yield of chilieswas investigated in a two years experiment at the University of Agriculture, ...weeds’ density, fresh and dry ...

12

Planting density impact on weed infestation and the yield of Miscanthus grown on two soil types
 

Planting density impact on weed infestation and the yield of Miscanthus grown on two soil types  

... the weed infestation effect on biomass yield of Miscanthus × giganteus in the first year of its com- mercial yield was conducted on two types of soil with different productive ability – Luvic Chernozem and ...

5

EFFECT OF TILLAGE AND WEED CONTROL METHODS ON WEEDS DENSITY AND TOMATO (Lycopersicon esculentum) PRODUCTIVIT

EFFECT OF TILLAGE AND WEED CONTROL METHODS ON WEEDS DENSITY AND TOMATO (Lycopersicon esculentum) PRODUCTIVIT

... plants due to reduced weeds density (Ali et al., 2012) may have increase fruit yield of tomato. Our results indicated that hand weeding has performed best in the enhancement of the tomato yield, indicating that ...

9

EFFICACY OF WEED CONTROL PRACTICES ON WEED DENSITY AND YIELD OF IRRIGATED GREENGRAM (Vigna radiata L.)

EFFICACY OF WEED CONTROL PRACTICES ON WEED DENSITY AND YIELD OF IRRIGATED GREENGRAM (Vigna radiata L.)

... A field experiment was conducted in D Block of the Central Farm, Agricultural College and Research Institute, Killikulam of Tamil Nadu Agricultural University during the year 2013 - 2014 to evolve an efficient and ...

9

Nematode density and biomass in an annual grassland ecosystem.

Nematode density and biomass in an annual grassland ecosystem.

... A preliminary study in the shrub-steppe area of south-central Washington (Smolik and Rogers 1976) revealed large numbers of soil-dwelling nematodes but no consisten[r] ...

5

Shifting Weed Compositions and Biomass Production in Sweet Corn Field Treated with Organic Composts and Chemical Weed Controls

Shifting Weed Compositions and Biomass Production in Sweet Corn Field Treated with Organic Composts and Chemical Weed Controls

... chemical weed controls showed interaction on biomass ...of weed biomass in all organic matter treatments (Table ...suppressed weed biomass was observed in postemergence herbicide ...

11

STUDIES ON UTILIZATION OF WEED BIOMASS FOR SEED HEALTH OF  JOWAR VAR  LOCAL

STUDIES ON UTILIZATION OF WEED BIOMASS FOR SEED HEALTH OF JOWAR VAR LOCAL

... During the present studies, the seeds of Jowar var. local were soaked in 5% aqueous and ethanolic extracts of the test common weed plants for 24 hours at room temperature. The soaked seeds were placed on moist ...

6

Cover crop mixture diversity, biomass
productivity, weed suppression, and stability

Cover crop mixture diversity, biomass productivity, weed suppression, and stability

... average biomass productivity, invasion resistance, and ...aboveground biomass, weed suppression, and biomass ...and weed aboveground biomass being sampled prior to ...crop ...

19

Corn Pollination and Yield as Influenced by Weed Density and Row Pattern.

Corn Pollination and Yield as Influenced by Weed Density and Row Pattern.

... The interaction of HRT, herbicide program, and planting pattern was not significant for common ragweed population, visible control, or any of the measurements associated with corn. The interaction of HRT and herbicide ...

54

WEED DENSITY AND STRAWBERRY YIELD AS AFFECTED BY HERBICIDES AND MULCHING TECHNIQUES

WEED DENSITY AND STRAWBERRY YIELD AS AFFECTED BY HERBICIDES AND MULCHING TECHNIQUES

... more weed seed which caused low ...other weed control treatments could be due to low weed density and more nutrients availability vice ...

9

Show all 10000 documents...

Related subjects