CHAPTER 2 REVIEW OF LITERATURE 2.1. Drought and its types Okra ( Abelmoschus esculentus L. Monech) is an important vegetable grown in Pakistan and developing worl d and is equally favourite among the rich and poor. Due to its flower structure it is responsive to breed ing and selection‚ but l iterature on the genetics of drought tolerance in this ve getable is not freque ntly available. Drought is a condition in which soil moisture contents are too low or tightly attracted by soil
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as an Alternative Fertilizer In partial fulfillment Of Science 8: BIOLOGY S.Y 2012-2013 Researchers: Sharmaine Morgia Raven Tolero Noreen Franco Jhayvee Cagalitan Francis Jhon Gorumba Francis Kevin Ramirez Marc Victor Villotes Grade 8-Seton Submitted to: MS.RONALYN B. PACALDO Biology Teacher Chapter I Introduction Rationale Abstract: This investigatory project was conducted to test the affectivity of organic and synthetic fertilizers when apply on okra plant. It also aims to test
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Dried Papaya Leaves as Organic Mulch for Tomato Plants Abstract Mulching in agricultural provides a safe yet equally profitable method of enriching and fertilizing the soil planted with crops. Most often-used mulches are of organic composition‚ such as dry leaves and barks. Unlike synthetic fertilizers and herbicides‚ these organic mulches pose no or little damage to the soil and crops. In this study‚ the effectiveness of dried papaya leaves as organic mulch for tomato was tested. Papaya mulches
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Effect of Animal waste as a fertilizer for making the soil development INTRODUCTION Our country is an agricultural land. That’s why farmers here in our country‚ agriculturist and scientist discover a lot of ideas on how to improve or to develop a better agricultural land. For this research‚ this topic is all about animal waste of animals is use as an alternative fertility of soil development. Fertilizer is any organic or inorganic material of natural or synthetic origin that is added to soil
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The deficiency of plant nutrients and organic matter in the soil is made up by adding manures and fertilizers to the soil of crop-fields. Both manures and fertilizers are major sources of nutrients of plants‚ so they are used in crop production. Besides water CO2 and sunlight plants required no. of elements for their growth. These elements are known as nutrient. Plants get their elements from the salt of these elements present in the soil. But after repeated cultivation of plants soil become poor
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Dried Papaya Leaves as Organic Mulch for Tomato Plants Abstract Mulching in agricultural provides a safe yet equally profitable method of enriching and fertilizing the soil planted with crops. Most often-used mulches are of organic composition‚ such as dry leaves and barks. Unlike synthetic fertilizers and herbicides‚ these organic mulches pose no or little damage to the soil and crops. In this study‚ the effectiveness of dried papaya leaves as organic mulch for tomato was tested. Papaya mulches
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which‚ when applied to seed‚ plant surfaces‚ or soil‚ colonizes the rhizosphere or the interior of the plant and promotes growth by increasing the supply or availability of primary nutrients to the host plant.[1] Biofertilizers add nutrients through the natural processes of Nitrogen fixation ‚ solubilizing phosphorus‚ and stimulating plant growth through the synthesis of growth promoting substances. Biofertilizers can be expected to reduce the use of chemical fertilizers and pesticides. The microorganisms
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Superphoshate is a fertilizer produced by the action of reacting concentrated sulfuric acid on ground phosphate rock. Calcium sulfate is a considerable waste produce of this process. Ca3 (PO4)2 + 2H2SO4 → Ca (H2PO4)2 + 2CaSO4Superphosphate used world wide by as a fertilizer the farming industry and gardeners. It increases plant production by as much as 106% as long as the plants are getting the required amount of water for normal plant growth. Super phosphate does little if nothing if there is no
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EFFECTS OF VOLATILE ORGANIC COMPOUNDS (10244818) Volatile organic compounds (VOCs) are organic chemical compounds that have high enough vapor pressures under normal conditions to significantly vaporize and enter the atmosphere. According to EPA ’s Terms of the Environment‚ a volatile organic compound is "any organic compound that participates in atmospheric photochemical reactions except those designated by EPA as having negligible photochemical reactivity." VOC can also stand for the term “volatile
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negative effects to the human body‚ it is a drug like substance‚ overuse of caffeine can lead to addiction. Just like many other drugs and drug like substances‚ Caffeine increases happiness and comfort. Caffeine also has some positive effects on the human body; it can lower the risk of having heart disease‚ diabetes‚ strokes‚ and cancer.
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