نتایج جستجو برای: disc harrows
تعداد نتایج: 45122 فیلتر نتایج به سال:
چکیده ندارد.
Abstract A field experiment was conducted to grow the wheat crop during fall season 2020 in Karbala province, north of Ain Al-Tamr District two locations different textures and parent materials. The first site (calcareous soil) with a sandy loam texture, is located at (44° 40′ 37′) east longitude (32° 41′ 34′) latitude, an altitude 32 m above sea level, area 20 hectares. As for second location ...
Three-year (2020–2022) research at the experimental field of Bila Tserkva National Agrarian University, make it possible to calculate economic and energy efficiency recommend a differentiated system main tillage on typical deep, low-humus medium-loamy chernozems Right Bank Forest-Steppe Ukraine in five-field specialized (cereal) crop rotation, which involves deep plowing only for row crops, win...
Conventional seedbed preparation is based on deep ploughing followed by lighter and finer secondary tillage of the superficial layer, normally performed machines powered tractor’s Power Take-Off (PTO), which prepares in a single pass. Conservation methods are wide range interventions, such as minimum or no-tillage, means with passive action working tools require two more passes The aim this stu...
background & importance: disc herniation is defined as the prolapsed of material disc into the spinal canal. if the disc fragment is free in spinal canal, it is called sequestration disc fragment. occasionally, alteration in sequestration disc fragment makes the diagnosis of the disc herniation, challenging. case presentation: we reviewed a rare case of the cervical sequestrated disc herniation...
even though intervertebral disc degeneration can be found in the natural course of alkaptonuria, detection of the disease by black disc color change in a patient without any other presentation of alkaptonuria is an exceptionally rare condition. we have reported a very rare case of alkaptonuria presented with low back pain and steppage gait in a 51-year-old male with a complaint of chronic low-b...
The purpose of the research is to investigate quality spring-finger harrow surface tillage provoke germination carrion depending on angle fingers. Research methods: theoretical – analysis information resources and results spring harrows; laboratory-field economic tests machine with planning experiment, fixing agrotechnical indicators; instrumental measurements; mathematical statistical processi...
abstract background: far lateral discal herniation is an uncommon disorder and is difficult to assess by physical examination alone. this study is designed to define clinical and epidemiological findings and to establish the indications of surgical and medical treatment for flldh. methods: between 2000 and 2005, a total of 2035 patients with lumbar disc herniation underwent surgical discect...
conclusions in this study, we found that in spite of previous beliefs, discopathies were not common etiologies of lbp. thus, even in patients with proven ldh by imaging studies, the physician should perform a thorough evaluation for other causes of lbp to avoid unnecessary lumbar surgeries. results in our study, among 1250 patients with proven ldh by mri, 500 patients (40%) had chronic lbp and ...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید