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What Is the Purpose of Fertilizers?
Fertilizers are an important tool in any garden, lawn, commercial farming operation, or landscape maintenance enterprise. Fertilizers help growers, gardeners and professionals like farmers and golf course superintendents maintain their plants, grass and... More »
Difficulty: Easy
Source: www.ehow.com

home.howstuffworks.com/question181.htm

Carbon, hydrogen and oxygen - Available from air and water and therefore in plentiful supply; Nitrogen, phosphorus, potassium (a.k.a. potash) - The three ...

soilsmatter.wordpress.com/2015/03/18/why-do-farmers-use-fertilizers

Mar 18, 2015 ... So, while fertilizers serve an important purpose, farmers must be careful to use the right amount, at the right time, to avoid potential negative ...

www.simplot.com/pdf/best/educational_info/roll_of_fertilizer.pdf

WHAT IS FERTILIZER? There are 17 elements that are known to be essential for plant growth and development. Fertilizers (also called plant food elements) are ...

www.maximumyield.com/definition/233/all-purpose-fertilizer

An all-purpose fertilizer is a type of fertilizer that includes adequate amounts of the three core chemicals to ensure proper growth: nitrogen, phosphorous, and ...

www.finegardening.com/fertilizing-basics

But for all gardeners, knowledge of fertilizers and how to apply them effectively is ... For instance, a general-purpose fertilizer labeled 20-20-20 means that each ...

www.sunset.com/garden/garden-basics/crash-course-fertilizers

Labels identify the package contents as "rose food" or "vegetable food," "lawn fertilizer" or "general-purpose fertilizer." In some stores, you'll find bins filled with ...

www.gardeners.com/how-to/fertilizer-ratios/5161.html

In most cases, an all-purpose, 5-5-5 fertilizer will provide the nutrients all plants need for healthy growth. If a soil test reveals certain nutrient deficiencies, or if you  ...

www.todayshomeowner.com/fertilizer-101

Many “all-purpose” fertilizers have a high nitrogen content for that quick burst of green growth that lets you know it's working. Nitrogen deficiency is evident by ...

feeco.com/npk-fertilizer-what-is-it-and-how-does-it-work

NPK fertilizer is a complex fertilizer comprised primarily of the three primary nutrients required for healthy plant growth. The agriculture industry relies heavily on ...