Characteristics of kuntan (rice hull charcoal) asoa medium of soilless culture
نویسندگان
چکیده
منابع مشابه
Significance of Soilless Culture in Agriculture
Although we normally think about soilless culture as a modern practice, growing plants in containers aboveground has been tried at various times throughout the ages. The Egyptians did it almost 4000 years ago. Wall paintings found in the temple of Deir el Bahari (Naville 1913) showed what appears to be the first documented case of container-grown plants (Fig. 1.1). They were used to transfer ma...
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The previous chapters present various specific facets of soilless plant production, representing the state of the art and include some perspectives on the direction in which the field is moving. In some cases, gaps in knowledge were pointed out and required future research was suggested. Generally the chapters focus on particular facets of a system whose full complexity was beyond the scope of ...
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هدف از آزمایش اول بررسی اثر سطوح مختلف سریسین [0 (control), 0.1, 0.5, 1.0, 2.5 %] افزوده شده به محیط , ivm بر cumulus cell expansion، بلوغ هسته و توسعه متوالی جنین، در گوسفندان نژاد سنجابی در فصل تولید مثلی می باشد. از سرگیری میوز به وسیله خارج شدن اولین پولار بادی اندازه گیری و هم چنین درصد رسیدن جنین های دو سلولی به مرحله کلیواژ و بلاستوسیت نیز به عنوان نشانه ای از میزان شایستگی توسعه اولیه ج...
Soilless Culture Technology for High Quality Lettuce
The aim of this research was to evaluate butterhead lettuce quality in a soilless culture system. Butterhead lettuce cultivar “Lores” was cultivated, and two experiments were performed. In the first, floating system (FS) and soil culture (SC) were compared in fall (autumn) prduction [2002 2003], while in the second, substrate culture (PC) (plastic gutter filled with perlite) with three differen...
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the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...
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ژورنال
عنوان ژورنال: Journal of the Japanese Society for Horticultural Science
سال: 1981
ISSN: 0013-7626,1880-358X
DOI: 10.2503/jjshs.50.231