crop production, horticulture, plant cultural practices, plants, horticultural crops, weeds, weed scienceIn six field experiments during 1967–70, weeds were removed by hand at different times from crops of bulb onions drilled in March on a sandy loam, and the effects on yield determined. When ...
EFFECT OF SEVERAL HERBICIDES ON GERMINATION, SURVIVAL, AND EARLY GROWTH OF CARAGANA AND ON WEEDS Hand-weeding stimulated the germination of more weed seeds.doi:10.4141/cjps65-092GroverR.Canadian Journal of Plant ScienceGROVER, R. 1965b. Effect of several herbicides on germination, survival, and ...
Effects of various hand-weeding programmes on yield and components of yield of sweet potato ( Ipomoea batatas) grown in the tropical lowlands of Papua New ... The effects of weed competition, harvest date and cultivar on sweet potato (Ipomoea batatas(L.) Lam.) yield and components of yield...
EFFECT OF A HERBICIDE AND TWO PLANT DENSITIES ON THE YIELD OF MEDICINAL PLANTS GROWN IN QUEBEC (CANADA). M.H. Michaud,A. Gosselin,N. Tremblay,... - World Congress on Medicinal & Aromatic Plants for Human Welfare - 1993 - 被引量: 2 The Effects of Weed Control and Plant Density on t...
like theHybrid Weed Strains, which has therapeutic benefits and effects on people when used. Other than that, the government focused on many more great benefits in legalizing the use of this kind of product in their country. Some of the medical use we should know about weed or known as ma...
Revegetation of open grassy areas delivers significant bird conservation outcomes, but the effects of weed control are neutral or in some cases negative. Specifically, the species most reliant on remnant vegetation in cities seem to remain stable or decline in abundance in areas with weed control, ...
The effects of weeding regimes and rice cultivars on weed growth and rice yield were investigated at two upland locations (Abomey-Calavi and Niaouli) in the degraded coastal savanna zone of Benin in 2005 and 2006 with below-average rainfall. Four weeding regimes (hoe weeding at 21 d after ...
1. Cultivar and Weeding Effects on Weeds and Rice Yields in a Degraded Upland Environment of the Coastal Savanna [J] . Toure Amadou, Rodenburg Jonne, Saito Kazuki, Weed Technology: A journal of the Weed Science Society of America . 2011,第3期 机译:退化热带稀树草原高地环境中的品种和除草...
To gain a better understanding of the direct effects of environmental factors on aquatic weeds, the group conducted two controlled experiments on one of the highly-ranked weeds, Cabomba caroliniana. Firstly, they looked at the effect of nitrogen enrichment on cabomba growth. The nitrogen levels ...
Adjusting for other factors, 15- to 24-year-old weed users had 1.28 times higher odds of having to go to the hospital for this heart problem and 25- to 34-year-olds faced 1.52 times higher odds. "The effects of using cannabis are seen within 15 minutes and last for...