CH 19: Fertilizers

<p>Implementing precision farming techniques</p> Signup and view all the answers

<p>Improved soil structure and reduced environmental footprint</p> Signup and view all the answers

<p>To enhance soil fertility and promote healthy crop growth</p> Signup and view all the answers

<p>Iron (Fe)</p> Signup and view all the answers

<p>Organic fertilizers are derived from plant or animal sources, while inorganic fertilizers are synthetic</p> Signup and view all the answers

<p>To replenish soil nutrient levels</p> Signup and view all the answers

<p>To guide the balanced application of nitrogen, phosphorus, and potassium for plant needs</p> Signup and view all the answers

<p>Ostwald process</p> Signup and view all the answers

<p>Improved soil structure and reduced environmental footprint</p> Signup and view all the answers

<p>Precision farming and buffer zones</p> Signup and view all the answers

<p>To enable increased food production through fertilizer production</p> Signup and view all the answers

<p>Electrolysis for potassium extraction</p> Signup and view all the answers

<p>Eutrophication and aquatic life suffocation</p> Signup and view all the answers

<p>Organic fertilizers have a faster nutrient release rate</p> Signup and view all the answers

<p>To improve soil structure and fertility</p> Signup and view all the answers

<p>Understanding the chemistry behind fertilizer production and its ecological consequences is crucial for sustainable agriculture</p> Signup and view all the answers

<p>Micronutrients are required for the production of chlorophyll and energy transfer during photosynthesis.</p> Signup and view all the answers

<p>The global challenge of maintaining food security amidst increasing population growth.</p> Signup and view all the answers

<p>Non-mineral nutrients are obtained from the atmosphere, while mineral nutrients are derived from the soil.</p> Signup and view all the answers

<p>Fertilizers are central to replenishing soil nutrient levels and promoting healthy crop growth.</p> Signup and view all the answers

<p>Calcium (Ca)</p> Signup and view all the answers

<p>Organic fertilizers are listed as one of the various forms of fertilizers, along with inorganic fertilizers.</p> Signup and view all the answers

<p>The necessity for fertilizers in South Africa is emphasized due to the need to sustain optimum crop yields to support its growing population.</p> Signup and view all the answers

<p>Fertilizers are primarily used to supplement soil with nutrients that are not readily available or have been depleted.</p> Signup and view all the answers

<p>The fertilizer industry plays a pivotal role in enhancing soil fertility and promoting healthy crop growth, which is vital for feeding the increasing global population.</p> Signup and view all the answers

<p>A balanced plant diet involves the appropriate combination of macronutrients (N, P, K) and micronutrients (Fe, Zn, Cu, etc.) for the plant's full life cycle.</p> Signup and view all the answers

<p>It provides a balanced nutrient profile to meet diverse plant demands.</p> Signup and view all the answers

<p>It is the primary process for the synthesis of ammonia, a precursor for nitrogen-based fertilizers.</p> Signup and view all the answers

<p>All of the above.</p> Signup and view all the answers

<p>The NPK ratio determines the optimal balance of nitrogen, phosphorus, and potassium for specific plant species.</p> Signup and view all the answers

<p>Contact process</p> Signup and view all the answers

<p>Precision farming techniques help optimize fertilizer application rates, reducing nutrient runoff and eutrophication.</p> Signup and view all the answers

<p>Eutrophication results in algal blooms, oxygen depletion, and potential suffocation of aquatic life.</p> Signup and view all the answers

<p>It is the primary process for the synthesis of nitric acid, which is used in the production of ammonium nitrate fertilizers.</p> Signup and view all the answers

<p>Synthetic fertilizers have a higher nutrient content and faster release rates compared to organic fertilizers.</p> Signup and view all the answers

<p>Buffer zones are areas where fertilizer application is prohibited to prevent nutrient runoff into water bodies.</p> Signup and view all the answers

<p>It highlights the universal challenge of maintaining food security amidst escalating demographic trends.</p> Signup and view all the answers

<p>Fertilizers supplement the soil with essential nutrients that may not be readily available in sufficient quantities.</p> Signup and view all the answers

<p>Non-mineral nutrients are obtained from the atmosphere, while mineral nutrients are derived from the soil.</p> Signup and view all the answers

<p>Micronutrients, such as iron, zinc, and copper, are vital for various physiological functions in plants.</p> Signup and view all the answers

<p>The chemical industry plays a crucial role in the production of inorganic fertilizers.</p> Signup and view all the answers

<p>The NPK ratio represents the relative amounts of nitrogen, phosphorus, and potassium in the fertilizer.</p> Signup and view all the answers

<p>Improper fertilizer application can result in water pollution and eutrophication of water bodies.</p> Signup and view all the answers

<p>Compost and manure are organic fertilizers that release nutrients slowly over time, promoting long-term soil fertility.</p> Signup and view all the answers

<p>A balanced supply of nutrients enhances plant defense mechanisms against pathogens and diseases.</p> Signup and view all the answers

<p>The fertilizer industry plays a supporting role in addressing food security challenges by enhancing soil fertility.</p> Signup and view all the answers