نتایج جستجو برای: 60 and 90 kg ha

تعداد نتایج: 16924515  

2014
Yuying Wang Chunsheng Hu Hua Ming Oene Oenema Douglas A. Schaefer Wenxu Dong Yuming Zhang Xiaoxin Li

The production and consumption of the greenhouse gases (GHGs) methane (CH4), carbon dioxide (CO2) and nitrous oxide (N2O) in soil profile are poorly understood. This work sought to quantify the GHG production and consumption at seven depths (0-30, 30-60, 60-90, 90-150, 150-200, 200-250 and 250-300 cm) in a long-term field experiment with a winter wheat-summer maize rotation system, and four N a...

Journal: :Journal of nematology 1997
K Blackburn S R Alm T S Yeh C G Dawson

Three high-pressure liquid injection machines were used to inject isazofos into the root zone of tuff;grass plots to evaluate its potential for control of Hoplolaimus galeatus and Tylenchorhynchus dubius. A Rogers root zone injector delivering isazofos at 2.3 kg a.i./ha through 30 degrees and 60 degrees spray tips at 5,000 psi (3.45 x 10 Pascals) significantly reduced nematode populations at 32...

Journal: :Journal of the American Mosquito Control Association 1990
B A Matanmi B A Federici M S Mulla

The fate and persistence of the mosquitocidal bacterium, Bacillus sphaericus, in dairy wastewater lagoons was evaluated in conjunction with trials of its larvicidal efficacy against Culex stigmatosoma. Two commercial formulations, BSP-2 (at 4.48 kg/ha) and ABG-6184 (at 2.24 kg/ha) gave about 90% reduction for up to 4 weeks, although surface water lost its insecticidal activity by 3 days posttre...

ژورنال: علوم آب و خاک 2000
ارزانی, احمد ,

Knowledge of the effects of row spacings and seeding rates on dual-purpose forage and seed production of an annual legume crop is essential for its proper agronomical exploitation. In this study, the effects of various row spacings and seeding rates on dry matter and seed yield in berseem clover (Trifolium alexandrinum L.) were evaluated in two consecutive years. The experimental design was a s...

Journal: :Cancer research 1977
J T Evans T B Shows E E Sproul N S Paolini A Mittelman T S Hauschka

Genetic analysis of colon tumor induction by symmetrical 1,2-dimethylhydrazine (DMH) was undertaken in F1, F2, and reciprocal backcross hybrids derived from a cross between two inbred mouse strains, the 100% susceptible ICR/Ha and completely resistant C57BL/Ha. Mice, 12 to 14 weeks old, received 22 successive weekly s.c. injections of 0.35% aqueous solution of DMH buffered to pH 6.5. A dose of ...

امینی دهقی, مجید, احمدی, جعفر, علیجانی, میثم, مدرس ثانوی, سید علی محمد,

German Chamomile (Matricaria recutita L.) is an annual plant from the compositeae family. Effects of three levels of urea (0, 40, 80 Kg.ha-1) and triple super phosphate (0, 30, 60 [Kg.ha-1) on the yield and essential oil production of chamomile was investigated. The experiment was a factorial on the basis of randomized complete block design with three replications conducted at Shaded University...

Ashenafi Nigussie Aynalem Gebere Belistie Lule Melkamu Hordofa Sigaye

Vernonia galamensis Cass is a huge potential industrial crop with very high content of vernolic acid in the seed oil. The experiment was carried out to determine the effect of inter- and intra- row spacing on the yield and yield related traits of Vernonia galamensis Cas.The experiment was conducted for two years during 2014-2015 on experimental field of Wondo Genet Agricultural research center,...

2011
Babita Bhatt

grain yield ABSTRACT: A field experiment was conducted to study the symbiotic efficiency of native soil bradyrhizobia with seventeen soybean genotypes during Kharif 2007 in Mollisol of Uttarakhand. The genotype PS 1347 synthesized significantly more tap root and lateral root nodule in comparison to Bragg and PK 416 at all the stages of plant growth. Maximum plant biomass (2.74, 7.78, 22.22 gram...

Journal: :Scandinavian journal of medicine & science in sports 2016
R A Neal J Corbett H C Massey M J Tipton

We examined the effect of short-term heat acclimation with permissive dehydration (STHADe) on heat acclimation (HA) and cycling performance in a temperate environment. Ten trained male cyclists [mean (SD) maximal oxygen uptake: 63.3(4.0) mL/kg/min; peak power output (PPO): 385(40) W; training: 10 (3) h/week] underwent a STHADe program consisting of 5 days of exercise (maximum 90 min/day) in a h...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه زابل - دانشکده کشاورزی 1393

گسترش استفاده از منابع آب شوردر مناطق گرم و خشک، لزوم تعیین روش مناسب کاربرد این منابع در بخش کشاورزی به منظور دست یابی به امنیت غذایی و کشاورزی پایدار را مشهود می سازد. لذا در این مطالعه، در قالب یک طرح بلوک کامل تصادفی در سطح مزرعه، تأثیر چهار شیوه آبیاری با آب شور شامل فاروی ثابت با آب شیرین (ff) و شور (ss)، فاروی یک در میان ثابت با آب شور و شیرین (ffs) و فاروی یک درمیان متغیر با آب شور و شی...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید