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    • andy
      By andy
      In this post I will try to answer questions if I can? Help with the best of my knowledge if possible. Firstly I am not a full time 'Farmer'. In the 60s and 70s I worked as a kid on local farms to earn a little money. I came from a poor background. I have always worked hard and craved knowledge and learning.
       
      Like Kenny in the late 70s I was interested, and studied Hydroponics. But in later (self taught years). I saw the advantages, and challenging disadvantages of Aquaponics.
       
      Firstly. We must understand the basic needs of what a plant needs to live and grow.  Water, Nutrients, Air, light, Temperature, space, and time.
       
      Water - To feed (just the same way, we need to drink) and used to carry the nutrients. Too little or too much water or nutrients can also be harmful.
       
      Nutrients - The most important nutrients for plants growing needs are nitrogen, phosphorus, and potassium. Nitrogen is necessary for making green leaves, phosphorus is needed for making big flowers and strong roots, and potassium helps the plants fight off disease.
       
      Temperature - Most plants prefer cooler nighttime temps and warmer daytime temperatures.
       
      Air and Light - Fresh, clean air and light are essential for healthy growth. Plants are the greatest consumer of solar energy, using power from the sun to mix up an energy rich meal. The process where plants make their own food is known as photosynthesis.
       
      Space and Time - Plants need room to grow. Without enough room, plants can become stunted or too small. Overcrowded plants are also more likely to suffer from diseases since airflow may be limited. Finally, plants require time and care.
       
      To go back and answer a question? Most seeds will be required to germinate in darkness.
       
      Paul mentioned lighting? Back in the early days, and still mostly now! The lights used for hydroponic growing would be very expensive 600w.
       
      With the new technology of LCD lights on the market, and now very good growing media available via the internet. I had returned some years ago to experiment with Hydroponic indoor growing again. The following photo's are of working prototypes. Drip feed and Flood and drain systems.
       
       
       
      This is a drip feed system to accommodate four young plants. When the plants grow too large they are moved into their own single unit.
       

       
      The pipes can be placed freely and water flow can be regulated via the taps. The pump works with a timer. The built in temperature gauge is nice useful feature.
       

       
      This is a Flood and drain system (without a Bell Syphon). Again the pump is on the timer! When the pump stops, the water flows back via the pump.
       

       
      Same concept, just slower return flow (use for large plant).
       

       
      Just some of the components needed to build. I use the air-stone in the grow bed to give more oxygen to the plants roots. This all works on the watering cycles, when the timer ends the pump and air stop too.
       

       
      Flower used to illustrate.
       

       
      LCD Light can be adjusted accordingly.
       
      All the parts I used to make the above prototypes are storage components, from a well known European furniture outlet! Now very well established in Thailand. 
       
      Split from Aquaponics thread.
    • Parrothead
      By Parrothead
      While rice is really the last thing I ever wish to plant, Chan and I talked about it early this year. So, after buying seed, putting it in the ground, fertilizing it when necessary, and praying enough rain would come to feed the rice, harvest finally arrived. 
       
      The harvester arrived last evening. A few friends of her nephew showed up as well, to help bag the harvest. 
       
      Not a very good one this year, due to late rains, though. Twenty-seven bags of rice were harvested from two hectares of land.
       
      Will see how much (weight) we yielded soon, when it is sold. I hope we at least have a bit of spending money left over, afterward. 
    • Parrothead
      By Parrothead
      Lookin' at building a house - down the road anyway. But, for starters, we had to start filling in a pond and raise the land around it. (Previously, the land had been used for rice farming.) 
       
      The new pond is 12.3m x 10.6m x 4m. The "old" pond was 19m x 9m x 3m.
       
      Old pond:

       
      Now, it looks like this:

       
      The new pond looks like this:

       

       

       

       
      Ultimately, we will build a small house on top of where the "old" pond was. Will have to add more fill dirt first, though, due to massive settling expected. 
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