نتایج جستجو برای: biological dry weight
تعداد نتایج: 870095 فیلتر نتایج به سال:
Certain microorganisms in soil have phosphate solubilizing ability. Phosphorus has an important role in plant nutrition and N2 fixation in legumes. The interactive effect of three phosphate solubilizing bacteria (PSB) and Bradyrhizobium japonicum on yield and N, P, K uptake and nodulation of soybean root (Glycin max L. CV. Harcor) was studied under greenhouse conditions. In greenhouse experimen...
To evaluate and select the promising lines of dual purpose grain-forage sorghum under drought stress conditions, a field experiment assplit plot arrangements in randomized complete block design with three replications was carried out atresearch field station of Seed and Plant Improvement Research Institute, Karaj, Iran, in 2014 and 2015 growing seasons. Irrigation levels (60 mm, 120 mm and 180 ...
it is very important to find new and replaceable water resources for agricultural usage because of the increasing need of urban population and industries for high-quality water and decrease of drinking water supplies. to investigate the effect of different levels of irrigation water salinity, potassium sulfate, and their interactions with yield and yield components of two barley cultivar, an ex...
باکتری های مگنتوتاکتیک و نانوذرات مغناطیسی آنها به دلیل پتانسیل کاربردی خوب آنها در زمینه های بیوتکنولوژی و نانوتکنولوژی دارای جاذبه های خاصی هستند. علی رغم پراکندگی همه جایی باکتری های مگنتوتاکتیک در محیط های آبی، ثابت شده است که جداسازی و کشت آنها به صورت خالص بسیار دشوار می باشد و تنها تعداد بسیار اندکی از این باکتری های مشکل پسند در کشت خالص جدا شده اند. هدف اصلی این مطالعه جداسازی و کشت سو...
Certain microorganisms in soil have phosphate solubilizing ability. Phosphorus has an important role in plant nutrition and N2 fixation in legumes. The interactive effect of three phosphate solubilizing bacteria (PSB) and Bradyrhizobium japonicum on yield and N, P, K uptake and nodulation of soybean root (Glycin max L. CV. Harcor) was studied under greenhouse conditions. In greenhouse experimen...
a greengouse experiment was conducted to evaluation of salinity stress on growth parameters of two olive cultivars during 2013-2014 at agricultural and natural resources research center of tehran. in the experiment, effects of five levels of irrigation water salinity including 0, 4, 8, 12 and 16 ds.m-1 were evaluated on ʻzardʼ and ʻmissionʼ olive cultivars under soilless culture. data showed th...
To investigate a model to simulate wheat dry matter accumulation, three wheat cultivars with different tillering abilities were grown at three densities each in a field experiment. Five simulation models with high correlation coefficients for relative dry matter accumulation were established by the method of normalized. Among these models, the Richards equation was the best in fitting and forec...
this experiment was carried out at agricultural research station of gorgan during summer 2006 to study the effects of corn and green gram intercropping on forage yield, and weed biomass. the experimental design was rcbd with twelve treatments and four replications. a local green gram and corn single cross 550 were the crops employed. the experimental treatments consisted of sole corn and sole g...
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