نتایج جستجو برای: 391 and 362 ton per hectare

تعداد نتایج: 16842322  

2000
Mary Anne Sword James D. Haywood Dan Andries

h 1989, two levels each of stand density and fertilization were factorially established in an 8-year-old loblolly pine plantation on a P-deficient site. Levels of stand density were nonthinned at 2,732 trees per hectare and thinned at 721 trees per hectare. Fertilizer levels were none or application of 150 kilograms P plus 135 kilograms N per hectare. In 1994, stand basal areas of the nonthinne...

Journal: :مرتع و آبخیزداری 0
رویا وزیریان کارشناس ارشد مدیریت بیابان، دانشگاه علوم کشاورزی و منابع طبیعی گرگان حمید رضا عسگری استادیار دانشگاه علوم کشاورزی و منابع طبیعی گرگان مجید اونق استاد دانشگاه علوم کشاورزی و منابع طبیعی گرگان چوقی بایرام کمکی استادیار دانشگاه علوم کشاورزی و منابع طبیعی گرگان

understanding the relationship between soil and plant is essential for reclamation of degraded lands. in order to investigate the relationship between atriplex halimus density with carbon sequestration the rangeland of incheborun was studied. soil samples were collected randomly by auger in the depth of 0-30 cm of the soil profile in three different plant densities (400 stand per hectare) with ...

Journal: :فصلنامه علمی اکوفیزیولوژی گیاهان زراعی 0

in order to evaluate the effect of organic fertilizers (compost) and nitrogen on growth and yield of moldavian balm, a split plot experiment in a randomized complete block design with four replications in 1393 at the research station of kerman agricultural and natural resources research and education center was performed. the main plots and subplots of the experiment, respectively, were include...

Journal: :Journal of animal science 2016
P A Beck C B Stewart M S Gadberry M Haque J Biermacher

Eight 4-ha mixed warm-season grass pastures in southwestern Arkansas (33°40'4″ N, 93°35'24″ W, and elevation 107 m) were stocked with either large mature size (571 kg [SD 55.2] BW) or small mature size (463 kg [SD 58.2] BW) spring-calving cows at 4 stocking rates (SR; 1, 1.5, 2, or 2.5 cow-calf pairs/ha) over 4 yr to test the effects of SR and mature body size on cow and calf performance and sy...

پایان نامه :دانشگاه تربیت معلم - سبزوار - دانشکده ادبیات و علوم انسانی 1391

abstract this study evaluates the iranian pre-university english textbook in terms of needs, objectives, content, and methodology. the study was designed on the qualitative- quantitative survey basis using interviews and questionnaires, a researcher-made textbook evaluation checklist and a needs analysis questionnaire. the textbook evaluation questionnaire was used in this study to elicit the ...

Dejene Tadesse Banjaw Tigist Germen Wolde

Objective: Chamomile is one of the commercial medicinal plants produced in Ethiopia. Besides, it is priority crop in national aromatic and medicinal plants research project in the country. As chamomile production affected by production techniques this activity was conducted to identify the effect of seed storage duration and seedling raising methods on its seedling establishmen...

Journal: :فصلنامه علمی اکوفیزیولوژی گیاهان زراعی 0

to evaluate the anti-transpiration effect on yield and yield components of corn late yield 704 under drought stress experiment split factorial randomized complete block design with three replications in spring 2012 at the research station, kermanshah. and paclobutrazol treatments include salicylic acid, which is taking on two levels. based on the values determined in the following order foliar ...

Journal: :iranian journal of applied animal science 2015
m. emadi a. hadavi j. ameri h. kermanshahi

this study was conducted to determine the effects of supplemented curcumin (cmn), derived from plant curcuma longa, extract on performance and blood parameters of acetaminophen (act) induced quail hepatic injury. 240 quails from 0-37 days of age were used in a completely randomized design with 4 treatments of 4 replicates each and 15 chickens per replicate. all groups received 750 mg/kg body we...

Journal: :Perbal: Jurnal Pertanian Berkelanjutan 2022

Cabai rawit (Capsicum frutescens L. ) merupakan salah satu sayuran buah dari famili solanaceae yang memiliki peluang bisnis baik sehingga nilai ekonomi sangat tinggi. Penelitian ini bertujuan untuk mengetahui pengaruh pemberian pupuk kandang ayam dan sapi terhadap pertumbuhan produksi tanaman cabai rawit. dilaksanakan di Kecamatan Simbang Kabupaten Maros, berlangsung pada bulan Juni-September 2...

Journal: :Plant physiology 1990
M K Schon D G Blevins

Our previous work demonstrated that boron (B) supplied to soybeans (Glycine max [L.] Merrill cv ;Williams 82') by a stem infusion technique increased the number of pods on branches and led to a significant yield increase. Therefore, research was continued to determine whether soil or foliar applications of B could be used to achieve the same results. Field experiments were completed with both s...

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