Results 41 to 50 of about 101,553 (200)

Allelopathic effects and weed suppressive ability of cover crops

open access: yesPlant, Soil and Environment, 2016
Field and laboratory experiments were conducted to investigate the weed suppressing effects of cover crops in single and mixed cultivation. Weed densities in the field experiments ranged from 0 to 267 plants/m2 with Chenopodium album L., Matricaria ...
Ch. Kunz   +4 more
doaj   +1 more source

Libertad de Prensa en los Estados Unidos

open access: yesDerecho PUCP, 1966
No contiene ...
Frederic Weed
doaj  

Phytochemical analysis of Asclepias syriaca L. leaf extract and its potential phytotoxic effect on some invasive weeds

open access: yesScientific Reports
Leaf extract of Asclepyas syriaca was utilized to investigate the phytotoxic effects on the germination and seedling growth of Amaranthus retroflexus L., Chenopodium album L., and Iva xanthifolia Nutt. and to evaluate the relative chlorophyll content and
Jelena Gajić Umiljendić   +6 more
doaj   +1 more source

"Meta Interpretation": A Method for the Interpretive Synthesis of Qualitative Research

open access: yesForum: Qualitative Social Research, 2005
Recognition of the need for good research synthesis dates back almost half a century (c.f .WRIGHT MILLS, 1959), although it is far more recently that specific methods of synthesis have been developed.
Mike Weed
doaj  

Effect of metsulfuron-methyl on water quality for fish culture using water quality index

open access: yesThe Indian Journal of Agricultural Sciences, 2014
Field and laboratory experiments were conducted to evaluate the effects of herbicide on water quality through water quality index (WQI). WQI was derived to see the suitability of water in term of its quality for fishery.
SHOBHA SONDHIA   +2 more
doaj   +1 more source

Weeds and weed management in lettuce

open access: yes, 2007
Published
Tei, F.   +12 more
openaire   +1 more source

A Haploid Mutant in the Jimson Weed, " Datura stramonium " [PDF]

open access: green, 1922
A. F. Blakeslee   +3 more
openalex   +1 more source

Weed Control in Beets

open access: yesEDIS, 1969
Beets can be found as red beets, table beets or garden beets. Both the tops (greens) and the bottoms (swollen hypocotyle) may be eaten. Always check the label on beet greens because residue establishment varies. Clopyralid (Stinger) has just received labeling for use postermergence, over-the-top of beets. At the present time however, Stinger may not be
openaire   +11 more sources

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