Efficacy and Estimated Annual Cost of Common Weed Control Methods in Landscape Planting Beds

Effect of living mulches and conventional methods of weed control on weed occurrence and nutrient uptake in potato

The aim of the study was to determine the biomass, abundance and species composition ofweeds, as well as macroelement uptake in potato weeded using mechanical, mechanical–chemical and mechanical control combined with the sowing of living mulches of white mustard,common vetch, Persian clover and tansy phacelia. Abundance and biomass of the weeds was themost effectively limited by the mechanical ...

investigation of single-user and multi-user detection methods in mc-cdma systems and comparison of their performances

در این پایان نامه به بررسی روش های آشکارسازی در سیستم های mc-cdma می پردازیم. با توجه به ماهیت آشکارسازی در این سیستم ها، تکنیک های آشکارسازی را می توان به دو دسته ی اصلی تقسیم نمود: آشکارسازی سیگنال ارسالی یک کاربر مطلوب بدون در نظر گرفتن اطلاعاتی در مورد سایر کاربران تداخل کننده که از آن ها به عنوان آشکارساز های تک کاربره یاد می شود و همچنین آشکارسازی سیگنال ارسالی همه ی کاربران فعال موجود در...

Estimated annual cost of arterial hypertension treatment in Brazil.

OBJECTIVES To estimate the direct annual cost of systemic arterial hypertension (SAH) treatment in Brazil's public and private health care systems, assess its economic impact on the total health care budget, and determine its proportion of the 2005 gross domestic product (GDP). METHODS A decision tree model was used to determine direct costs based on estimated use of various resources in SAH ...

review of radiographic methods in dental implantology

چکیده ندارد.

Repeated grading of weed abundance and multivariate methods to improve the efficacy of on-farm weed control trials