Abstract
An experiment was conducted in the Standoff Alberta community garden over the 2019 summer time. Fallow and unfallow soils of Standoff community were used for this experiment. The major nutrients Nitrogen (N) was deficient and Phosphorus (P) was low in the unfallow soil. Furthermore, fallow soil N nutrient was low and optimum for P. Soil potassium was in excess for both soils. The pH of the soils were 7.4 and 7.5 in fallow soil and unfallow soil, respectively. One level of fertilizer application rate was applied to fallow and unfallow soils. Corn, carrots and peas were planted to unfallows soil while potatoes plants were cultivated to fallow soil. Standard agronomic practices were followed to establish this experiment. The six plants were taken per square meter bi-weekly in all the locations randomly across the field in zigzag pattern for growth parameters while six plants for corn, 2 plants for peas, carrots and potatoes per square meter were harvested for yield parameters. The means of growth and yield data collected from each location were subjected to a simple t-test so as to compare the performance of crops planted in each location. The results obtained showed that there were differences of growth in different locations across the field. Moreover, heterogeneous nature of the soil in different locations influenced soil nutrients ability to favour yield of corn, carrots, peas and potatoes. However, in all the 6 locations on the field, peas pod numbers at week 4, potatoes tuber number at week 5, peas dry weight at week 4 and carrot dry weight at week 5 were insignificant, all look the same. These results suggest that application of fertilizers and shortage of water were not evenly distributed which lead to uneven yield in different locations across the field.
Highlights
Global warming has caused a lot of devastation to the earth
The main objective of this study was to examining soil variability that could favour growth and yield of corn, carrot, peas and potatoes crops influenced by the same application of nitrogen, phosphorus, potassium and sulphate fertilizer to fallow and unfallow soils
The fertilizers applied were broadcasted and planting of crops were done on May 29, 2019 to 1.2 ha of unfallow soil cropped with 0.63 ha (22 rows of Navajo corn variety at rate of 2.27 kg), 0.14 ha of dominion carrots variety (5 rows at rate of 0.23 kg), 0.43 ha of Lincoln peas variety (15 rows at rate of 3.63 kg) and fallow soil was cropped with 0.81 ha of sangre potatoes variety at rate of 907.2 kg
Summary
Global warming has caused a lot of devastation to the earth. It has pushed the world beyond the economic threshold, thereby resulting to shortage of food. Production of food by establishing community garden could help food supply and adequate food nutrition to our community. Alberta is a first nations, Kainai Blood Tribe community, we established a community garden to feed the community due to food shortage and expensive food price in the community. We grew common food crops that people in that area always consumed. Carrots, peas and potatoes are stable food that most people in Standoff area consumed. Global warming has affected the production of these crops due to fluctuation in temperature and precipitation (Tubiello et al, 2007).
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