densities and phosphorus levels on the growth and yield of vegetable cowpea (Vigna unguiculata L.) var. Arka Garima K. RAVI KUMAR1 AND V. SUDHA VANI2 Department of Horticulture‚ College of Horticulture‚ Venkataramannagudem-534 101‚ Andhra Pradesh‚ India. E-mail : ravikuna4u@gmail.com ABSTRACT A field experiment was conducted at College of Horticulture‚ Venkataramannagudem to study the effect of plant density and phosphorus levels on the growth and yield of vegetable cowpea variety Arka Garima under
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The yield of a metal from a particular mineral or ore is the mass of metal that can be obtained from a particular mass of the mineral or ore‚ and is often expressed as a percentage. It is possible to use formulae to calculate/predict yields of metals from particular minerals (pure compounds)‚ for ores we have to measure them experimentally. This is because ores are mixtures of the required mineral and unwanted material‚ and‚ being mixtures‚ they have variable composition. Measurement of the yield
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GROWTH AND YIELD RESPONSE OF CHINESE CABBAGE (Brassica rapa chinensis) USING LED LIGHT‚ UV LIGHT AND FLUORESCENT LIGHT BULB AS A SOURCE OF LIGHT A High School Thesis Presented to the Research Committee and Submitted to Mrs. Luzviminda M. Bago In partial fulfillment of the Requirements in the Subject Research II By: Nidera‚ Jeffrey A. Garcia‚ Jill Anne Ruth V. Trampe‚ Mariel Petals P. Dasmariñas National High School IV-Galileo Special Science Curriculum S.Y. 2011-2012
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EFFECTS OF VERMICAST AND CHICKEN DUNG MIXED WITH VERMICAST AS ORGANIC FERTILIZERS ON THE GROWTH AND YIELD OF STRING BEANS IN LILOY NATIONAL HIGH SCHOOL DURING THE MONTHS OF JULY-OCTOBER 2013 A Research Paper Presented To Dr. Leah A. Gumela Liloy National High School Liloy‚ Zamboanga del Norte In Partial Fulfillment Of the Requirements in Research II By Group 6 Zennia Mae S. Ramirez Christine Ann L. Villarin Eusebio P. Gamil jr. Glomark O. Pahignalo Glenda
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ABSTRACT SOIL NUTRIENT DYNAMICS‚ GROWTH AND YIELD PERFORMANCES OF MUNG BEAN (Vigna radiata (L.) Wilczek) UNDER DIFFERENT ORGANIC MANURE APPLICATION ON NON CALCIC BROWN SOIL A. W. Farween1‚ A. G. Chandrapala2‚ R. M. P. Rajakaruna1 1Department of Soil and Water Resources Management‚ Faculty of Agriculture‚ Rajarata University of Sri Lanka‚ Puliyankulama‚ Anuradhapura‚ Sri Lanka. 2Regional Agricultural Research and Development Center‚ Aralaganwila‚ Polonnaruwa‚ Sri Lanka. A field experiment was
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Concern about soil loss relates to the idea that our ability to produce food will diminish; however‚ human ingenuity has always seemed to find ways to increase agricultural yield. We should definitely be concerned with soil erosion. According to our text‚ the Earth’s topsoil is being degraded by forestry‚ agriculture and pollution. Since soil is irreplaceable and promotes the nutrient cycle as well as treating waste‚ a system must be put into place to ensure this resource does not disappear.
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Lead (II) Iodide Synthesis and Percent Yield NAME:__________________________________________________ PERIOD:______ Prelab 20.0 mL of 0.150 M potassium iodide and 10.0 mL of 0.200 M lead (II) nitrate are mixed together. 1. Write the net ionic equation describing the reaction. 2. Calculate the theoretical yield. Show calculations. 3. a) If a student obtains 0.890 g of lead(II) iodide‚ calculate the percent yield? Show calculations.
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drops of concentrated sulfuric acid‚ which catalyzed the reaction. The percent yield is calculated to determine the effectiveness of the reaction in preparing the desired product (aspirin). The limiting reactant of the equation was salicylic acid. After the limiting reactant was determined‚ the theoretical yield of aspirin was calculated at approximately 1.97g. The actual yield was only around 0.67g‚ producing a percent yield of 34.3%. These results show that the methods used were only partially
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analysis along with limiting reagent analysis. The reaction of Copper (II) Sulfate‚ CuSO4‚ mass of 7.0015g with 2.0095g Fe or iron powder produced a solid precipitate of copper while the solution remained the blue color. Through this the appropriate reaction had to be determined out of the two possibilities. Through the use of a vacuum filtration system the mass of Cu was found to be 2.1726g which meant that through limiting reagent analysis Fe was determined to be the limiting reagent and the chemical
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Limiting Reagent and Percent Yield Aim To determine the limiting reagent between the reaction of lead (II) nitrate and potassium iodide. To determine the percent yield of lead (II) iodide. Date Started: 13/4/12. Finished: 19/4/12. Data collection and processing Measurements: * Amount of distilled water: 75.0ml ± 0.5ml. * Mass of watch glass: 31.65g ± 0.01g. * Mass of watch glass + potassium iodide: 32.45g ± 0.01g. * Mass of potassium iodide: 0.8g ± 0.02g. * Mass of watch
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