References: Ahmad‚ I. S.‚ Reid‚ J F.‚ Noguchi‚ N.‚ Hansen‚ A. C. (1999). Nitrogen sensing for precision agriculture using chlorophyll maps. ASAE paper 993035. B. J. Zebarth and H. Rees. (2003). Mapping Spatial Variation in Potato Nitrogen Status Using the N-Sensor. Acta Hort‚ ISHS. Dawson C J. (1997). Management for spatial variability. In Precision Agriculture _97‚ Warwick‚ 7–10
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terpenes from their osmeterium. Terpenes are important materials for a plant as components of its body and as a material to protect it from external enemies since it has a strong smell and colorless. Terpenes are found in biological pigments‚ such as chlorophyll and retinal‚ and steroids play important roles in membranes and as the basis for a class of hormones involved in chemical signaling. There are many use of terpenes. In our daily life‚terpenes are used in flavor and fragrances‚additives to rubber
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studied the growth pattern of chick pea under salt stress conditions. Salt stress also caused reduction in ion uptake and accumulation. Na+‚ K+‚ and Ca+ contents in both leaf and shoot reduced under salt stress‚ also the photosynthetic pigments i.e. chlorophyll ‘a’
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color. The bulb of the onion lacks green‚ but the stem and leaves of the onion plant are green.The reason the bulb is white‚ and not green is that it has no chlorophyll. The bulb is under ground and used for storage of nutrients and not used for converting sunlight into food energy. The leaves and stem are green because they do have chlorophyll in order to convert the sunlight into
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using computers * Cytotaxonomy − Based on cytological information such as chromosome number‚ structure‚ behaviour * Chemotaxonomy − Based on chemical constituents of plant to resolve doubts and confusions Division Algae * Includes chlorophyll-bearing‚ simple‚ thalloid‚ autotrophic‚ and largely aquatic (freshwater and marine) organisms * Some occur in association with fungi (lichens) and animals (on sloth bear). * Size ranges from microscopic unicellular forms such as Chlamydomonas to
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the "Microtubule organizing center" it’s looks like a small body near the nucleus having a dense center and radiating tubules‚ here in the centrosome is where the microtubules are made. Chloroplast is a CD shaped organelle that holds the plants chlorophyll‚ Photosynthesis takes place in the chloroplast. Cytoplasm is a jell like material outside the cell nucleus which all the cell’s organelles are located. Golgi body also called "Golgi apparatus" is a flat organelle that may resemble a stack of
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chemical (Biology.clc.uc.edu‚ 2014). This chemical reaction must take place in the thylakoid membrane. Chlorophyll (the green pigment involved in photosynthesis) and several other pigments are organised in clusters in the above membrane (Bailey‚ 2014). Each of these pigments are differently coloured and can absorb a slightly different colour of light and pass its energy to the central chlorophyll molecule to do photosynthesis. Light contains all the colours of the visible light spectrum‚ from red
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Chapter 1 - Scientific Methods Objectives 1. Demonstrate a basic knowledge of classroom/science safety. 2. Understand the purpose of a hypothesis‚ and identify when a hypothesis should be used. 3. Be able to identify the independent and dependent variables in a formalized hypothesis. 4. Differentiate between an observation and an inference. 5. Contrast quantitative and qualitative observations. 6. Given a data table‚ draw and label a graph. Including a title‚ labeled units‚ and legend. 7
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dead and alive are always falling from the illuminated regions into the depths. In addition to the extension of the biosphere downwards‚ there is a limited extension upwards also. On very high mountains‚ like Himalayas‚ the limit above which chlorophyll-bearing plants cannot live appears to be about 6‚200 meters. In simple words‚ biosphere can be viewed as the part of the earth consisting of oceans and the surface of the continents‚ together with the adjacent atmosphere (i.e. the troposphere)
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protists (algae) plant like is the ability to do photosynthesis. Similar to plants‚ plant-like protists have __chloroplasts__ that contain the pigment chlorophyll‚ which collects and converts light into energy. In addition to green‚ algal protists may be red‚ brown‚ or gold; their colors come from the presence pigments that mask the green of chlorophyll found in chloroplasts. It can be understood why microscopic plant-like would not be invited to sit at the plant table because they are little and
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