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Salt

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Submitted By lifeway
Words 529
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Date: March 29 2013

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Assignment: SCIE207 Phase 1 Lab Report

Title: Using Scientific Method

Table 1: Maize Yield From Arable Soil
|Amount of Mineral Nitrogen Fertilization (kg per 100 acres) |Yield of Maize (mg of dry mass per 100 acres per year) in |
| |Arable Soil |
|40 |13 |
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Table 2: Maize Yield From Nonarable Sandy Loam Soil

|Amount of Mineral Nitrogen Fertilization (kg per 100 |Yield of Maize (mg of dry mass per 100 acres per year) in Nonarable|
|acres) |Sandy Loam Soil |
|40 |18.2 |
| | |
| | |
| | |
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Purpose The purpose of this lab report is to show the difference between the amounts of yields of Maize in Arable Soil and Nonarable soil. It is also to show the affect the Mineral Nitrogen Fertilization has on soil in different weather conditions. Why does NonArable Soil yield more than Arable Soil when using the same amount of Mineral Nitrogen fertilization, except when you use 180kg it yields an equal amount? Introduction When we alter any aspect of soil properties we can influence plant growth and change the production of what is to occur. This can be done in several ways by, the amount of chemicals we use and the climate in which the plant is in. Nitrogen is one of the most important factors affecting soil fertility and productivity as well as the growth and development of cultivated plants. (Barabasz, 2002). Nitrogen fertilizer is key in the growth of any plant.
Hypothesis/Predicted Outcome If you were to use 40kg per 100 acres of Mineral Nitrogen Fertilization, for Arable and Nonarable soil you would not yield the same results.
Methods
We took to of the same plants and planted them in an arable soil and nonarable sandy loam soil. Each plant was given the same amount of mineral nitrogen of 40kg. When given the same amount the yield was notice by a difference of 5.2mg. This show us that the plant that was in the arable soil yield was 13mg, and the plant that was planted in the noarable soil yield was 18.2. Results/Outcome When using the exact amount of Mineral Nitrogen Fertilization the yield is higher for Nonarable soil. The difference is a bout 5.2 mg difference. Discussion/Analysis The reason for this is that the nitrogen provides protein and this is an important molecule of life. As for the arable soil, the natural elements of the soil probably take on the major development the plant and allow it to grow more naturally instead of giving it a boost, as I believe this happens when the nitrogen is used in the no so suitable soil. When you look further into the measurement you will notice that the more you use in the non-arable soil the growth slows down and the arable soil plant tends to eventually catch up and they end up on the same growth level. This is possible by applying adequate amounts of nitrogen fertilizer.
References

Barabasz, W. W., Albinska, D. D., Jaskowska, M. M., & Lipiec, J. J. (2002). Biological Effects of Mineral Nitrogen Fertilization on Soil Microorganisms. Polish Journal Of Environmental Studies, 11(3), 193.

M.U.S.E – Scientific Method

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