نتایج جستجو برای: vegetative period
تعداد نتایج: 504898 فیلتر نتایج به سال:
The most important effect of water stress on plants is that it reduces leaf area and leads to changes in morphology. Decreased results crop yield through the reduction photosynthesis. This study investigates effects decrease seed cotton yield, evapotranspiration (ET), use efficiency (WUE), geometry under different growth periods. plant was divided into three periods (vegetative period (VP), flo...
Survey on major insect pests of groundnut was carried out in Southern Telangana Zone comprising the three districts viz., Mahabubnagar, Nagarkurnool and Wanaparthy at stages crop growth period vegetative, pod formation maturity for identification pest scenario. In all mean percent damage per plant (14.50-18.85%) no. larva (0.90-1.05) tobacco caterpillar were comparatively higher stage while inf...
Although dual-task interference is ubiquitous in a variety of task domains, stop-signal studies suggest that response inhibition is not subject to such interference. Nevertheless, no study has directly examined stop-signal performance in a dual-task setting. In two experiments, stop-signal performance was examined in a psychological refractory period task, in which subjects inhibited one respon...
The standard bottleneck model of the psychological refractory period (PRP) assumes that the selection of the second response is postponed until the first response has been selected. Accordingly, dual-task interference is attributed to a single central-processing bottleneck involving decision and response selection, but not the execution of the response itself. In order to critically examine the...
We generalize the classical Cayley-Dickson doubling process starting with a quaternion algebra over a field F by allowing the scalar in the doubling to be an invertible element in the algebra. We investigate the resulting eight-dimensional algebras over F and show that they are division algebras for all scalars chosen in D outside of the base field F , if D is a division algebra.
The hypothesis that episodic memory retrieval can occur in parallel with other cognitive processes was tested in 2 experiments. Participants memorized words and then performed speeded cued recall (Experiment 1) or speeded yes-no recognition (Experiment 2) in a dual-task situation. The psychological refractory period design was used: The participant was presented with a single test item at vario...
One of the key principles in rangeland management is determination of suitable times for exploitation and grazing of rangeland plants in summer and winter pasturelands. This determination of time not only prevents degradation of plant species, but also leads to optimal usage of plant yield. Multiple factors affect plant phenology among which temperature regime has the highest effect on plant de...
In order to evaluate effect of plant density and water deficit on the growth, yield and yield component of soybean, an experiment was carried out in split plot design based on RCBD with four replications at the research station of Seed and Plant Improvement Institute in Karaj-Iran in 2006. In this experiment, water deficit treatment in three levels was placed as main plot (water withholding at ...
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