نتایج جستجو برای: rotary hoe cultivator and manual weeding respectively

تعداد نتایج: 16839372  

2000
A B D Joubert

A literature study was undertaken on the weeding of maize on smallholder farms in Ciskei, South Africa. Most weeding under these conditions is carried out by hand pulling or hand hoeing. Only limited use is made of animal traction, and large-scale development of this method will not be possible until the conventional broadcast method of planting maize has been replaced by row planting.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده ادبیات و علوم انسانی 1392

in new management approaches, in the organizations with inflexible structure, existing of red tapes and interruptions caused by limitations and also non-compliance with environmental changes, create demotivation among staff. with regard to the influence of job motivational potential and its relationship to the type of organizational structure( enabling and dissuasive), the goal of this research...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده علوم تربیتی و روانشناسی 1393

the purpose of this study was to investigate the relationship between teachers’ class management practices with students’ self- regulated learning and academic self-efficacy. in this study relating to the management class, three dimensions, (training management, people management and behavior management) and three style (interventionist, interactionist and non-interventionist) was considered. r...

Journal: :Circulation 2000
M Sato R M Engelman H Otani N Maulik J A Rousou J E Flack D W Deaton D K Das

BACKGROUND Ischemic preconditioning (PC) represents a state-of-the-art technique for myocardial preservation. Although certain intracellular mediators have been shown to play a role in PC, the exact nature of the trigger for PC is not known. Our previous study demonstrated that intracellular bradykinin released from the heart during ischemia/reperfusion plays a role in myocardial preservation. ...

Journal: :journal of dentistry, tehran university of medical sciences 0
puneet ahuja post graduate student, department of conservative dentistry and endodontics meenakshi ammal dental college, chennai, india. suresh nandini department of conservative dentistry and endodontics, meenakshi ammal dental college, chennai, india. suma ballal professor, department of conservative dentistry and endodontics, meenakshi ammal dental college, chennai, india. natanasabapathy velmurugan professor, department of conservative dentistry and endodontics, meenakshi ammal dental college, chennai, india.

the aim of this study was to assess the efficacy of apical negative pressure (anp), manual dynamic agitation (mda), passive ultrasonic irrigation (pui) and needle irrigation (ni) as final irrigation activation techniques for smear layer removal in curved root canals.mesiobuccal root canals of 80 freshly extracted maxillary first molars with curvatures ranging between 25° and 35° were used. a gl...

Journal: :Environment Conservation Journal 2022

Field experiment was conducted at Crops Research unit, ICAR- Central Island Institute, Bloomsdale, Port Blair during summer season, 2018. To study the preceding rice herbicide residual effect in control of weeds, growth and yield urdbean rice-bhendi-urdbean sequence under high rainfall area. At 20 DAS, grassy weeds (48.00 weeds/m2) were predominant species followed by sedges broad leaf 29.67 22...

Journal: :international journal of pediatrics 0
mahin rahkar farshi department of pediatric,faculty of nurcing and midwifery,tabriz university of medical sciences mahnaz jebreili department of pediatric,faculty of nurcing and midwifery,tabriz university of medical sciences babak abdinia pdiatric health resarch center,department of pediatrics, faculty of medicine, tabriz university of medical sciences, tabriz, iran

recording nursing reports is considered as a quality assurance tool for patients and nurses. nowadays, the presence of electronic health record systems is an indicator of development. studies on advantages and disadvantages of the electronic and manual recording methods have shown different results. in this study, electronic and manual recording of nursing reports were compared from the perspec...

Journal: :Sustainability 2021

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...

Journal: :به نژادی نهال و بذر 0
داریوش قنبری بیرگانی ghanbari birgani d مرکز تحقیقات کشاورزی و منابع طبیعی صفی آباد ، دزفول ناصر ظریفی نیا zarifinia n مسعود شهربانونژاد shahrbanounezhad m عبدالامیر راهنما ,rahnama abd alamir

this experiment was conducted for three consecutive years from 2000 to 2002 to evaluate the effects of integrated weed management on weeds of alfalfa at the safi abad agricultural research farm of dezful. the experimental design was a randomized complete block with strip-split plot arrangement of treatments. herbicide treatment was as horizontal factor at five levels which in 2000, consisted of...

In order to investigate the effect of pre-emergence and post-emergence herbicides on nutrient depletion, weed population and nutrient uptake by wheat in sesame-wheat cropping system in Khuzestan a field experiment was conducted in randomized complete block design with three replications in the research farm of Shahid Chamran University of Ahvaz in 2019-2020. Treatments included no weeding, hand...

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