نتایج جستجو برای: respectively since n fertilizer application may have deleterious effects on environment

تعداد نتایج: 10937972  

2016
Muhammad Yousaf Xiaokun Li Zhi Zhang Tao Ren Rihuan Cong Syed Tahir Ata-Ul-Karim Shah Fahad Adnan N. Shah Jianwei Lu

The use of efficient rates of nitrogen (N) fertilizer application is important with regard to increasing crop productivity and maintaining environmental sustainability. Rice-oilseed rape rotations are a mainstay of the economy and food security of China. Therefore, a field experiment was carried out during 2011-2013 in Honghu to identify the most appropriate N application rates for enhancing cr...

ژورنال: علوم آب و خاک 2008
آقاعلیخانی, مجید , غلامحسینی, مجید , ملکوتی , محمدجعفر ,

In order to study the effect of various amounts of nitrogen (N) and Iranian natural zeolite on the quantitative and qualitative forage yield of winter canola (Brassica napus L.) in light soil, a field experiment was conducted on research farm of Tarbiat Modares University, Tehran, during 2006-2007. Treatments were arranged in the form of RCBD with 3 replications. The experimental treatments wer...

Journal: :علوم گیاهان زراعی ایران 0
اعظم برزوئی استاد یار پژوهشگاه علوم و فنون هسته ای، پژوهشکده تحقیقات کشاورزی، پزشکی و صنعتی کرج محمد کافی استاد دانشکده کشاورزی ، دانشگاه فردوسی مشهد حمیدرضا خزایی دانشیار، دانشکده کشاورزی ، دانشگاه فردوسی مشهد نجات پیرولی بیرانوند استادیاران پژوهشگاه علوم و فنون هسته ای، پژوهشکده تحقیقات کشاورزی، پزشکی و صنعتی کرج

the objective of this experiment was to determine the effects of different levels of nitrogen (n) and salinity on biochemical mechanisms of two wheat genotypes. a field experiment was carried out in a three replicate rcbd split factorial experiment in salinity station of college of agriculture, ferdowsi university of mashhad, iran in 2007-2008 and 2008-2009. three levels of salt stress (1.3, 5,...

آقاعلیخانی, مجید , غلامحسینی, مجید , ملکوتی , محمدجعفر ,

In order to study the effect of various amounts of nitrogen (N) and Iranian natural zeolite on the quantitative and qualitative forage yield of winter canola (Brassica napus L.) in light soil, a field experiment was conducted on research farm of Tarbiat Modares University, Tehran, during 2006-2007. Treatments were arranged in the form of RCBD with 3 replications. The experimental treatments wer...

2001
B. A. Kimball F. J. Adamsen S. W. Leavitt Bruce A. Kimball

• The likely consequences of future high levels of atmospheric CO 2 concentration on wheat ( Triticum aestivum L.) grain nutritional and baking quality were determined. • Two free-air CO 2 enrichment (FACE; 550 mmol mol − 1 ) experiments were conducted at ample (Wet) and limiting (Dry) levels of irrigation, and a further two experiments at ample (High-N) and limiting (Low-N) nitrogen concentrat...

In the present study, some nutritional imbalances, specific ion toxicity and yield-ion concentration relationships in maize under water, nitrogen (N) and salinity stresses were assessed. Effect of different levels of irrigation water (I1=1.0ETc+0.25ETc as leaching, I2 =0.75I1 and I3 =0.5I1) as main plot, salinity of irrigation water (S1=0.6, S2= 2.0 and S3=4.0 dS m-1) as sub-plot and N fertiliz...

Journal: :Mathematical and Computer Modelling 2011
Guangqing Li Zhujie Xie Xueqin Yao Xuehao Chen

In order to study the effects of nitrogen (N), phosphorus (P) and potassium (K) on the yield, the appearance eligibility ratio and the contents of total glucosinolates and glucoraphanin of cauliflower, the 311-A optimization regression design was used to conduct field experiments of N, P, K fertilizer treatments using winter cauliflower variety ‘‘HB16’’. The models of the balanced application f...

Journal: :بوم شناسی کشاورزی 0
خالد عیدی‏زاده عبدالمجید مهدوی دامغانی حسین صباحی سعید صوفی‏زاده

biofertilizers are natural inputs that can be applied as complement or substituent of chemical fertilizers in sustainable agriculture. effects of n and p bio- and chemical fertilizers on growth indices of maize (zea mays l.) was studied on 2008 in shushtar, iran, based an as a factorial experiment based on completely randomized block design with three replications. treatments consisted four lev...

2015
Kozue Sawada Koki Toyota

Wet and dry anaerobic fermentation processes are operated for biogas production from organic matter, resulting in wet and dry digestates as by-products, respectively. The application of these digestates to soil as fertilizer has increased in recent years. Therefore, we herein compared the effects of applying wet digestates (pH 8.2, C/N ratio 4.5), dry digestates (pH 8.8, C/N ratio 23.4), and a ...

Journal: :علوم باغبانی ایران 0
حمید علی پور فرشته غفاری موفق

to find the effects of spring foliar application of volck® mineral oil and its combination with fertilizer on the physiological, yield and quality characteristics of pistachio fruit, this research was done in the form of a randomized complete block design (rcbd) of 12 treatments and 3 replications on ohadi pistachio cultivar in chatrud of kerman in 2006 and 2007 for a duration of two years. the...

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