
Crossword clues for Compounds in fertilizer
Clue | Answer |
Compounds in fertilizer | PHOSPHATES |
___-Manuel Miranda, composer of "Hamilto ... | LIN |
___ Williams, American Composer And Cond ... | JOHN |
___ vera (skin-soothing compound) | ALOE |
Full Answer
What chemical compounds can be found in fertilizer?
- Nitrogen (N): leaf growth
- Phosphorus (P): Development of roots, flowers, seeds, fruit;
- Potassium (K): Strong stem growth, movement of water in plants, promotion of flowering and fruiting;
What are chemicals that are used for killing weeds?
Chemical Weed Killers. Because you want all vegetation killed on hard surfaces it’s easy to find a powerful, non-selective weed killer that will do the job. Glyphosate is a common chemical that kills plants to the roots, helping to prevent their regrowth. Related: The Best Weed Killer For Patios And Pavers. By Hand
What chemical is used to keep fruit fresh?
- Resveratrol
- Thiamin
- Anthocyanins
What does chemical fertilizer do to plants?
- Harmful to soil life
- Acidify the soil
- Deplete the soil of nutrients
- Cause compaction
- Burn up organic matter
- Pollute our water
- Grow plants that invite predator damage
- Create monoculture
- Reduce water holding capacity of soil
- Cause growth of alga in water resources

What are the materials used to make fertilizer?
Production. Manufacturers make compound fertilizers by using basic fertilizer materials, such as ammonia (NH₃), ammonium phosphate, urea, sulfur (S) and potassium (K) salts. There are many methods used for making these fertilizers, with the specific manufacturing processes determined by the available basic components and ...
Why do farmers use compound fertilizer?
This difference allows farmers to spread compound fertilizer so that each granule delivers a mixture of nutrients as it dissolves in the soil and eliminates the potential for segregation of nutrient sources during transport or application. The multiple-nutrient granules of compound fertilizers also allow the farmer to achieve uniform distribution of micronutrients throughout the root zone.
How are accretion based fertilizers made?
Accretion-based fertilizers are made by repeatedly adding a thin film of nutrient slurry, which is continually dried, building up multiple layers until the desired granule size is reached.
Why do manufacturers make fertilizers?
Manufacturers often produce compound fertilizers regionally to meet local crop needs. They typically adjust a wide range of chemical and physical properties to meet those needs. For example, a desire to minimize P in urban storm water runoff has led some communities to restrict the addition of P to compound fertilizers sold for turf and ornamental purposes. In another example, manufacturers customize their products by boosting certain fertilizer elements for regional soils known for deficiency in those nutrients.
Why use multiple nutrient granules in fertilizer?
The multiple-nutrient granules of compound fertilizers also allow the farmer to achieve uniform distribution of micronutrients throughout the root zone. These fertilizers are especially effective for applying an initial nutrient dose in advance of planting.
Why do farmers need to add nutrients to their soil?
Many soils require adding several essential nutrients to alleviate plant deficiencies. Farmers may opt to select a combination of single-nutrient fertilizers or apply a fertilizer that combines several nutrients into each particle.
What is the process of nitrophosphate?
The nitrophosphate process involves reacting phosphate rock with nitric acid to form a mixture of compounds containing N and P. If a K source is added during the process, a solid fertilizer with N, P and K will result.
What are the components of fertilizer?
Nitrogen, phosphorous and potassium make up the most important components of fertilizers and are all included in a complete fertilizer. Incomplete fertilizers have only one or two of these nutrients. Nitrogen Nitrogen is the first number in the ratio on the bag. "Sunset" magazine recommends using fertilizers with a higher proportion of nitrogen to the other nutrients during spring growth spurts.
What are the three nutrients in fertilizer?
Nitrogen, phosphorus and potassium , or NPK, are the “Big 3” primary nutrients in commercial fertilizers. Nitrogen is considered to be the most important nutrient, and plants absorb more nitrogen than any other element. Phosphorus in commercial fertilizers comes from phosphate rock. The Big 3—nitrogen, phosphorus and potassium —provide the foundational nutrients of today’s commercial fertilizers.
What is the NPK of fertilizer?
The NPK ratio will be prominently labeled on the package and indicates the percentage of primary nutrients the fertilizer contains.
Why do plants need to be fertilized?
Plant Nutrients 101Plants need to be fertilized because most soil does not provide the essential nutrients required for optimum growth. Organic fertilizers are made from naturally occurring mineral deposits and organic material, such as bone or plant meal or composted manure.
How many nutrients do plants need to grow?
HOW FERTILIZER IS MADEThe three main components that plants require to grow are sunlight, water, and nutrients. However, plants need 17 different nutrients to be completely healthy. Each of the elements has an essential function in keeping a plant healthy. Plants require these 17 nutrients in varying amounts depending on the plant. To keep the soil healthy, farmers must either wait for these elements to replenish over time or use fertilizers to help return these nutrients to the ground. .
Why is phosphorus banned in lawns?
Phosphorus is a component of most fertilizers that helps plants to grow. This reduced level of oxygen in water ends up suffocating fish. Several municipalities have banned the use of phosphorus-containing fertilizers for turf or lawn areas. These laws are designed to protect local water quality in lakes, streams, and ponds.
Is it better to use incomplete or complete fertilizer?
Both complete and incomplete fertilizers have their uses, so it shouldn’t be assumed that a complete fertilizer is better than an incomplete fertilizer.
What is compound fertilizer?
A compound fertilizer contains two or more essential plant nutrients and can include secondary nutrients and trace elements. The compound might be organic or inorganic. Organic compounds might include manure, fish and bone meal as well as compost. Inorganic fertilizers combine various chemicals in the manufacturing process. Combinations for different crops and growing conditions are produced.
What are the essential nutrients for plants?
The essential plant nutrients are nitrogen, phosphorus and potassium. These elements are required for plants to complete their life cycle. Secondary nutrients are calcium, sulfur and magnesium. These nutrients are normally present in the soil but need to be replenished periodically. Trace elements might be added, such as boron, copper and cobalt. Compound fertilizers are used around the world with several variations.
Is compound fertilizer uniform?
A uniform distribution is possible because each granule contains all of the nutrients and minerals in the formula. Blended fertilizers might not provide an even distribution of ingredients and might be more costly.
Is fertilizer a compound or inorganic?
Although organic fertilizers are widely used, it has been estimated that inorganic fertilizers are responsible for feeding a very large percentage of people on Earth. A combination of organic and chemical fertilizers are typically used with each having certain advantages and disadvantages.
What are the elements that are used in fertilizer?
Modern chemical fertilizers include one or more of the three elements that are most important in plantnutrition: nitrogen, phosphorus, and potassium. Of secondary importance are the elements sulfur, magnesium, and calcium.
What are the three nutrients in mixed fertilizer?
Mixed fertilizers contain more than one of the three major nutrients—nitrogen, phosphorus, and po tassium. Mixed fertilizers can be formulated in hundreds of ways. ammonium nitrate.
What is fertilizer?
Fertilizer, natural or artificial substance containing the chemical elements that improve growth and productiveness of plants. Fertilizers enhance the natural fertility of the soil or replace the chemical elements taken from the soil by previous crops. Read More on This Topic.
What is the treatment of fertilizer?
A brief treatment of fertilizer follows. For full treatment, seeagricultural technology: Fertilizing and conditioning the soil.
How is synthetic fertilizer applied?
On modern farms a variety of machines are used to apply synthetic fertilizer in solid, gaseous, or liquid form. One type distributes anhydrous ammonia, a liquid under pressure, which becomes a nitrogenous gas when freed from pressure as it enters the soil. A metering device operates valves to release the liquid from the tank. Solid-fertilizer distributors have a wide hopper, with holes in the bottom; distribution is effected by various means, such as rollers, agitators, or endless chains traversingthe hopper bottom. Broadcast distributors have a tub-shaped hopper from which the material falls onto revolving disks that distribute it in a broad swath. See alsomanure.
What are the elements that are most important in plant nutrition?
Modern chemical fertilizers include one or more of the three elements that are most important in plant nutrition: nitrogen, phosphorus, and potassium.
Where does nitrogen come from?
Most nitrogen fertilizers are obtained from synthetic ammonia; this chemical compound (NH 3) is used either as a gas or in a water solution, or it is converted into salts such as ammonium sulfate, ammonium nitrate, and ammonium phosphate, but packinghouse wastes, treated garbage, sewage, and manure are also common sources of it.
How are multinutrient fertilizers made?
Multinutrient fertilizers are made by mixing powdered (or crystalline) straight fertilizers together on the farm , thereby reducing the number of fertilizer applications needed per field.
What is nitrogen fertilizer made of?
Nitrophosphates are fertilizers made by nitrifying phosphate rock with nitric acid or a mixture of nitric and sulphuric acids, followed by ammoniating the resulting slurry. Afterwards, the slurry is granulated or prilled. Additional nitrogen can then be added, in the form of ammonium nitrate, along with potassium chloride or sulphate, to achieve the desired NPK analysis.
What are the different types of nitrogen fertilizers?
There are four basic types of nitrogen fertilizers based on the chemical form in which the nitrogen is available: ammonium compounds, nitrate compounds, combined ammonium compound and nitrate compounds, and amide compounds.
What is the K in fertilizer?
Potassium (K) is an essential nutrient for plant growth. The potassium content of fertilizers is commonly expressed in terms of potassium oxide (K2O) or “potash”.
What are the nutrients in NPK fertilizer?
Nitrogen, phosphorus, and potassium are contained in varying proportions in solid NPK fertilizers. Generally, they are easy to handle and apply, free flowing and granular in structure. Various grades are produced and marketed depending on soil and crop needs.
What fertilizer is used for phosphorus?
Simple superphosphate, concentrated superphosphate, slag and rock phosphate are some of the straight phosphorus fertilizers typically used. A brief description of these fertilizers is given below.
How much magnesium is in magnesium fertilizer?
This magnesium fertilizer contains 5-20% magnesium in the form of MgO (magnesium oxide). It also contains 20-45% calcium oxide (CaO)
