Day 11, November 30, 2011

Today when we checked our plants everything was still going well. Our plants are healthy overall and appear to be thriving in the growing system. The pH of our nutrient solution was around 6.5. We were happy to see that the pH has been fairly consistent over the past couple weeks. Luke warm water continues to be the best for plant growth. A temperature around 65 degrees is what we have been shooting for throughout this process, and it seems to have worked well. One issue we are beginning to have with our plants is due to the fact that they are getting so large. They are actually outgrowing the small system we have in place. The leaves underneath are beginning to wilt because they are not receiving enough light. This is due to the enormous growth that is blocking light from reaching down to the bottom. Today we tried to trim away the wilting leaves from around the edges. It is to large and dense to trim any growth in the inside. Looking back I wish i would have continually trimmed the growth back. This would have kept all the growth healthy. My thought was to trim as little as possible so it would be as large as possible at the end of the semester. I think this worked but it is beginning show some negative impacts. As far as nutrient solution goes, we did not add any today. Since the next class period is harvest day, the plants should have plenty of solution to keep it healthy until then. Throughout the entire semester, the plants only consumed about 6 or 7 gallons of water. We started with 4 gallons of water because that is how much our growing system holds. We never completely replaced the water so some of the water inside the reservoir at this time could be the very same water we poured in when we started this process. We built our water culture system with an emphasis in keeping algae growth to a minimum. I am eager to see if we accomplished that. We have not seen the water since beginning due to the way it is designed.

Overall, i had a good time researching, modifying, and improving our water culture growing system as the weeks went by. We have seen a good amount of success in doing so and are exciting to harvest our plants.

I believe the reason that ours worked so well is because it is extremely simple, yet very logical.

This is a picture of our mesclun the class period before harvest.

26 thoughts on “Day 11, November 30, 2011”

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