Weed Competition
EFFECT OF WEED COMPETITION PERIODS ON THE GROWTH AND YIELD OF BLACK SEED (Nigella sativa L.)
... different weed competition ...in weed free ...the competition period was prolonged. The 60, 70 and 80 days competition periods were statistically ...However, weed dry weight ...
11
Assessment of critical period of crop-weed competition in grain sorghum under Sudanian conditions of Southern Senegal
... for weed competition in grain ...then weed-free, and weed-free for initial 15, 30, 45 and 60 DAS and then weedy, weed-free and weedy up to harvest were assigned in a randomized block ...
12
EFFECT OF N FERTILIZER AND FARMYARD MANURE ON WEED COMPETITION IN RICE
... by weed competition in FYM amended soil where all the weeds reduced tillering invariably and ...the weed species in FYM amendment ...rotundus competition in FYM. The same weed species ...
16
Effect of Herbicide Strip-Width and Late Season Weed Competition on Vitis vinifera L. cv Cabernet Franc Growth, Yield and Berry Composition
... vegetation-free strip width and the effect of late season weed competition on vine growth, berry composition, and yield of Vitis vinifera L. cv. Cabernet Franc cl. 312 on 101-14 MGT rootstock. To meet these ...
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The impact of exotic weed competition on a rare New Zealand outcrop herb, Pachycladon cheesemanii (Brassicaceae)
... and weed invasion is implicated in the decline of more than half of these threatened ...that competition with invasive weeds threatens the rare outcrop plant Pachycladon cheesemanii ...of weed ...
12
Influence of micro relief and weed competition on natural regeneration of mountain forests in the Šumava Mountains
... AbStrAct: Natural regeneration and its relationship to micro-relief and weed competition were studied on 6 re- search plots in mountain spruce forests in the Šumava Mountains. The data on density ...
7
Using simulation models to investigate the cumulative effects of sowing rate, sowing date and cultivar choice on weed competition
... Integrated Weed Management (IWM) strategies to augment their weed ...chemical weed control methods assessed in isolation, there is uncertainty about their combined contribution, which may be ...
8
WEED-COMPETITION EFFECTS ON MAIZE FODDER PRODUCTION SOWN UNDER DIFFERENT SEEDING DENSITIES
... zero weed competition after emergence i.e. weed free was because of no competition for resource between crop and associated weeds, which ultimately permitted well growth of ...that weed ...
13
DETERMINING CRITICAL WEED COMPETITION PERIOD IN MAIZE (zea mays L.) SOWN UNDER DIFFERENT TILLAGE INTENSITIES
... to weed competition (Kumar and Sundari, ...heavy weed infestation, because the weeds are the most important pest group of this crop (Oerke and Dehne, ...to weed competition (Reddy, ...
14
Intercropping frost-sensitive legume crops with winter oilseed rape reduces weed competition, insect damage, and improves nitrogen use efficiency
... increased competition for light, itself linked with the biomass production of the companion plants and the complementarity of its shape with the one of ...to weed control could compensate a reduction in ...
11
Modelling the effect of weed competition on long-term volume yield of Eucalyptus globulus plantations across an environmental gradient
... Abstract ： Several studies have quantified the responses of Eucalyptus globulus plantations to weed control on its early development (2-3 years after establishment). However, long-term results of competing ...
20
Weed Control, Environmental Impact and Profitability of Weed Management Strategies in Glyphosate Resistant Corn
... that weed management programs have high efficacy while providing positive economic ...a weed management program, along with their application costs, needs to be offset by profits gained from crop yields ...
14
Effect of new generation herbicides on weed dynamics and weed control efficiency in maize
... least weed count of ...Higher weed population was noticed under weedy check with the total weed count of ...the weed competition throughout the crop duration and resulted in the highest ...
8
WEED CROP COMPETITION PERIOD IN THREE FINE RICE CULTIVARS UNDER DIRECT SEEDED RICE CULTURE
... season-long weed competition, maximum weed dry biomass was also observed for the same ...in weed dry biomass at successive competition periods for each weed type was much higher ...
15
Sugar beet yield loss predicted by relative weed cover, weed biomass and weed density
... to weed competition and the competitive ability of weed species are higher under Russian growing conditions than in Germany is ...of weed cover and weed biomass gave higher maximum ...
9
INTEGRATING CULTIVARS WITH REDUCED HERBICIDE RATES FOR WEED MANAGEMENT IN MAIZE-II Weed Management
... Tall maize cultivars were not found effective in suppressing weeds as compared to some shorter modern cultivars (Cosser et al., 1997). Eisele and Köpke (1997) indicated that tallness is not the only criterion for ...
13
CANOLA (BRASSICA NAPUS) COMPETITION FOR WEED MANAGEMENT
... of weed competition was somewhat smaller for the hybrid than ATR-409 (Figure 1C), that is about 25% of the weed-free controls for the hybrid and 40-45% for ATR-409, especially at the higher ...
6
Influence of nitrogen on weed growth and competition with grain sorghum
... season-long weed competition with crops, the critical period of weed-control, crop planting date, weed density, time of weed emergence, proximity of weeds to the crop, Palmer amaranth, ...
74
EFFECTS OF WEED CROP COMPETITION PERIOD ON WEEDS AND YIELD AND YIELD COMPONENTS OF SESAME (Sesamum indicum L.)
... Biological yield is the total biomass of the above ground plant parts including economic and uneconomic portions of a crop. It represents the total dry matter accumulation capacity of a crop and is a combination of its ...
13
ECOLOGICAL WEED MANAGEMENT
... on weed canopies (Caseley and Walker, ...poor weed control (Wauchope et ...sole weed control method (Matthews, ...chemical weed management are necessary for a better understanding of the ...
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