نتایج جستجو برای: no tillage rice field

تعداد نتایج: 3927488  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اراک 1389

this study investigates the relationship between field-related cognitive styles and global reading comprehension of hypertext. technically, field dependency is prevailing dominance of field on perception of parts, while global comprehension is skim-like reading to grasp the general content. in this research project, 60 senior and junior students of arak university majoring in english literature...

2017
TARA WADE ROGER CLAASSEN

No-till acreage has increased in recent years, but many farmers alternate no-till with other tillage practices, limiting public and private benefits from sustained no-till adoption. Revealed preference data are used in an ordered logit regression analysis to determine the effect of soil characteristics, climate, regions, farm characteristics, and producer demographics on producers’ choices to u...

Journal: :Agronomy 2021

The impacts of integrated soil fertility management (ISFM) in conservation agriculture need short-term evaluation before continuation its long-term practice. A split-split plot experiment with tillage (minimum tillage, MT vs. conventional CT) as the main plot, residue (20% residue, R no a control, NR) sub-plot, and compost (Trichocompost, LC; bio-slurry, BS; recommended fertilization, RD) sub-s...

2017
Sabine Zikeli Sabine Gruber

Only 34% of all German farms apply reduced tillage (RT), while approximately 1% of the arable land is under no-tillage (NT). Statistics for organic farming are not available, but the percentages are probably even lower. The development of German organic RT and NT has been strongly driven by pioneer farmers for 40 years, and supported by field trials since the 1990s. The main motive for conversi...

Journal: :علوم گیاهان زراعی ایران 0
عبدالواحد هودیانی دانشجوی کارشناسی ارشد آگرواکولوژی، گروه زراعت، دانشکدة کشاورزی، دانشگاه زابل مهدی دهمرده استادیار، گروه زراعت، دانشکدة کشاورزی، دانشگاه زابل عیسی خمری استادیار، گروه زراعت، دانشکدة کشاورزی، دانشگاه زابل محمد رضا اصغری پور دانشیار گروه زراعت، دانشکدة کشاورزی، دانشگاه زابل

a field experiment was conducted at research station of zabol university in 2012. the experiment carried out as split plot on basis of a randomized complete block design with three replications. the main and sub factors included tillage systems (no, reduced, and conventional tillage) and planting ratios of intercropping (pure culture of roselle, pure culture of green gram, 25% roselle + 75% gre...

2004
Richard P. Wolkowski

Tillage selection is just one of the issues that farmers must address when making crop production decisions. Among the factors that will influence the choice of tillage for a given field is the condition of the residue and soil in the field; the residue management practices needed to meet conservation plan specifications; the tools, time, and money that are available; the need to incorporate am...

2010
Ronald B. Sorensen Timothy B. Brenneman Marshall C. Lamb

Strip tillage with various crop covers in peanut (Arachis hypogaea, L.) production has not shown a clear yield advantage over conventional tillage, but has been found to reduce yield losses from some diseases. This study was conducted to determine pod yield and disease incidence between two tillage practices, five winter cover crops, three peanut cultivars, and three fungicide programs. Convent...

Journal: :علوم گیاهان زراعی ایران 0
حمیدرضا چقازردی دانشجوی دکتری رشتة اکولوژی گیاهان زراعی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج محدرضا جهانسوز استاد، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج علی احمدی استاد، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج منوچهر گرجی دانشیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج

to study the effects of different tillage systems on yield and some characteristic of wheat and also some soil properties in wheat dry land area, six experiments were performed in cold, moderate and semi-warm climatic conditions of kermanshah province in west of iran, in a randomized complete block design with five replications. experimental treatments were consisted of no-tillage, reduced till...

Journal: :به زراعی کشاورزی 0
حمیدرضا چقازردی دانشجوی سابق دکتری گروه زراعت، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج - ایران محمدرضا جهانسوز استاد گروه زراعت، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج - ایران علی احمدی استاد گروه زراعت، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج - ایران منوچهر گرجی دانشیار گروه خاکشناسی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج - ایران

in order to study of no-tillage, reduced tillage and conventional tillage systems on some soil physical properties, yield and some traits of wheat and chickpea, experiments were perfumed across two years in sarpolezahab’s dryland region.results of combined analysis of variance indicated that different tillage systems had significant effects (p≥0.01) on seed yield, volumetric soil moisture, bulk...

Journal: :مدیریت خاک و تولید پایدار 0
مهدی حسینی دانشگاه علوم کشاورزی گرگان قربانعلی روشنی مرکز تحقیقات کشاورزی گلستان سید علیرضا موحدی نائینی دانشگاه علوم کشاورزی و منابع طبیعی گرگان-گروه علوم خاک

effects of different tillage systems on dispersion ratio, status of aggregation, degree of aggregation, mean weight diameter, geometric diameter, the rain-fed wheat yield and the yield components were investigated by a field trial using a completely randomized block design with five treatments in four replicates during 2009-2010 growing season at gorgan university of agricultural science and na...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید