Agronomy Department Recruitment

By: NaTasja Jeter

About Our Department

Welcome to NC State University! This is our Agronomy Department and we would like for you to join our department. Agronomy is the study of plants, soil, and their environment. Agronomy is essential to producing food bio energy, and protecting how drinkable our water is. We work to improve the management and conservation of the ground that our plants our growing in. We also use biotechnology to improve the productivity of the crops. The earth's good soil is running out and it's up to us to save it, so that our children will have healthy food and clean water in the future.

Weathering Agents (Chemical vs Mechanical)

There are two types of weathering, mechanical/physical and chemical. Mechanical weathering, also known as physical weathering involves physical breakup of rock which means it has no chemical change. Chemical weathering is the change in composition of rock, because of oxidation, carbonation, and hydration. There are also four agents of weathering that include water, wind, gravity, and glaciers. The most important is water mainly because earth's is made of 75% water.

Soil Facts (Soil Composition/Soil Texture/Soil Horizons)

Soil is a mixture of minerals, some of the minerals are inorganic and some are organic. Half of soil is made of rocks and minerals and the other of half is made of organic materials. The inorganic parts of soil are made of different amounts of different materials because of this the characteristics of soil are affected. Water flows through soil easily if spaces between particles are large enough are are connected well. Sandy and silty soil are light because of their drainage of water. Clay soils hold water because clay particles have very small spaces between them. Soil horizons are the layer of soil that have depth. Lots of weathering occurs in the top layer. Fresh water comes in contact with soil in this top layer. All the other layer are weathered just not as much as the top layer. There are four layers humus, topsoil, subsoil, and bedrock.

Rate Of Soil Formation

The climate and rocks of a certain place is what affects the rate of soil formation. If a state has little rainfall and minerals then the rate of soil formation will be slow. If it has plenty rainfall and minerals then the formation will be faster.
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Remote Sensing

What is remote sensing? Remote sensing is a technique used to gather information about and object that doesn't require touching the object .Objects we use a lot for remote sensing are satellites, they help us learn about the earth and events that happen of earth. It is said that satellites are the best way to measure climate change, which is very important. One remote sensing object is LIDAR which stands for Light Detective and Ranging. This satellite uses lasers and it is used by farmers to fertilize our crops which could help our soils.
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Importance Of Soil

Soil is very important, it doesn't need us we need it. The food we eat comes from soil and we need to eat. It is used by farmers to grow our food. They place the soil in the ground and put the seeds needed to grow the food, water it and soon it grows our food. If we didn't have soil then we wouldn't have food then we would survive. That's why we need as much help as we can to prevent missuses of soil in the future.
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Common Misuses Of Soil & The Consequences

Some common missuses of soil are bad farming techniques like no crop rotation. Lots of planting, agriculture, harsh winters and overgrazing are things that can harm our soil. If farmers don't use the correct methods for our environment it could cause erosion. One consequence for this is a dust storm, which could suffocate humans even inside their homes. Some farmers plant their crops along a hill which is bad because the water could flow down the hills and if they have a lot of contour it would be hard to farm.

Soil Stewardship & Advances In Agronomy

Some great ways to improve agronomy have have good soil stewardship are composting and crop rotation. Composting is when you take waste such as egg shells, seaweed, and leftover food and put it in your backyard to help your soil. You know when your soil is doing good when you start seeing earthworms crawling in it. Crop rotation is when you finish growing a crop and regrow it in a different place, so that you can prevent diseases and pests, soil nutrient depletion, and suppressing weeds. We hope this information makes you want to help out and become an agronomist to help save our soil, the earth, and humanity.