نتایج جستجو برای: b2 garden soil carbonized rice husk

تعداد نتایج: 273804  

2014
Hongxi Zhang Xuefeng Ding Zichen Wang Xu Zhao

Rice husk is an abundant agricultural by-product reaching the output of 80 million tons annually in the world. The most common treatment method of rice husk is burning or burying, which caused serious air pollution and resource waste. In order to solve this problem, a new method is proposed to comprehensively utilize the rice husk in this paper. Firstly, the D-xylose was prepared from the semic...

Journal: :Revista Ambiente & Água 2023

The presence of salts in the irrigation waters semiarid region negatively affects production seedlings. Thus, substrates based on carbonized rice husk are an alternative for saline environments, associated with management strategies brackish water. This study evaluated physiological responses yellow passion-fruit seedlings as a function water different substrates. was developed at Universidade ...

2014
Dai H Nguyen Johannes Biala Peter R Grace Clemens Scheer David W Rowlings

As the cost of mineral fertilisers increases globally, organic soil amendments (OAs) from agricultural sources are increasingly being used as substitutes for nitrogen. However, the impact of OAs on the production of greenhouse gases (CO2 and N2O) is not well understood. A 60-day laboratory incubation experiment was conducted to investigate the impacts of applying OAs (equivalent to 296 kg N ha(...

2012
B. S. Narasinga Rao

Rice is the major foodgrain of the world and it is the principle cereal consumed in India and other parts of Asia1. Milling of paddy to obtain edible rice grain yields two major byproducts of economic and nutritional importance, namely, paddy husk and rice bran. Paddy husk has no food value but has several industrial uses. Rice bran, on the other hand, can serve as an animal feed, as a human fo...

2014
Sravan Kumar Danda V. Ramachandramurthy

The Rice Husk Ash is a cheap and readily available biosorbent for the removal of nickel ions from aqueous solutions. This investigation comprises of the equilibrium and kinetics study for biosorption of nickel ions from aqueous solutions using Rice Husk Ash powder as a biosorbent in a batch process. The Rice Husk Ash is obtained from a hotel near Andhra University campus, is dried in sunlight f...

2012
Ajay kumar Kalyani Mohanta Devendra Kumar

The technological trend towards waste utilization and cost reduction in industrial processing has attracted use of Rice Husk as a value added material. Both rice husk (RH) and Rice Husk Ash (RHA) has been found suitable for wide range of domestic as well as industrial applications. Considering the importance and increasing demand of this material, a systematic study based on properties and indu...

Journal: :مدیریت آب و آبیاری 0
سید علی رضا مسعودی دانشجوی کارشناسی ارشد آبیاری و زهکشی، گروه آبیاری و آبادانی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج – ایران عبدالمجید لیاقت استاد گروه آبیاری وآبادانی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج - ایران

due to the important role of subsurface drainage in managing the ground water level, there are many researches focused on finding a new and more economic way to develop subsurface drainage technologies. lack of proper drainage system in northern iran has caused huge implantation of rice and it is impossible to have second implantation in this region. one reason of insufficiency of current drain...

2013
C. N. Mbah

Contamination of soil with toxic substances can degrade its capacity to grow plants. A Randomized Complete Block Design (RCBD) experiment was set up in 2005 and 2006 to evaluate the effect of organic wastes on the physical properties and maize (Zea mays L) yield of spent oil contaminated (SOC) ultisol in Abakaliki South eastern Nigeria. The wastes comprising poultry droppings (PD) and Rice husk...

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