Maximum Yield USA 2012 March | Page 108

SOIL BASICS of water than cacti, succulents or plants like orchids that absorb water and nutrients through foliage and aerial roots. Water uptake and consumption will also depend on the size of the plant and pot, as well as on temperature and humidity. A simple rule of thumb is to ensure that the temperature remains around 75°F when the lights are on and that there is anywhere from 30 to 50 per cent relative humidity in the garden. This type of atmosphere will promote healthy water uptake by the plants along with a dense and vigorous root system so long as harmful pathogens are not introduced. Water every plant only when it needs it, judging by weight. This can be tedious work for larger gardens, but it will ensure that every plant gets touched at least one time in the grow room. I feel a plant is ready for water when I can pick it up easily, despite its overall mass. A gallon of water weighs roughly eight pounds without any elements “ added into it, so once fertilizer is added to the mixture and given to the plant there is a noticeable weight gain. I feel that providing water to the plant approximately six to 12 hours before it can show any signs of wilt is ideal, if possible. If you’re using liquid fertilizers or supplements, I recommend consistent usage as opposed to alternating feedings with water—use lower nutrient concentrations more often and it should provide the intended results. These guidelines are my recommended ‘basic building blocks’ any time I am gardening in soil.You’ll likely want to change a few things in your garden, but that’s okay—this guide is intended to be for reference only, not a set of immutable rules that will apply in the same manner to every soil-based garden. Every grower faces a different situation and every garden reflects the grower’s individual style. MY “ the kind of root development that wick systems create due to the constant capillary action in the root system—these roots are ductile but thick and usually fill up any available space in and around the growing medium. I assume that because the capillary action initiates the uptake of the proper amount of oxygen and water, the plant is able to produce the exact root system it needs for constant feeding and ideal elemental absorption. Watering your soil is a topic that everyone seems to have different opinions about. How much water should go into each container? How often should I water? Should I fertilize with every watering? This is an issue that is often made to seem more complex than it really is—you should water the soil based on the types of plants being grown. For example, fastgrowing annuals that develop vigorous root and shoot growth in order to produce a fruit, flower or seed at the end of their cycle might consume larger volumes I feel a plant is ready for water when I can pick it up easily, despite its overall mass. 106 Maximum Yield USA | March 2012