The temperature in your grow room is very important for the photosynthesis of your marijuana plants. For example, low temperatures reduces evaporation through the leaves. The result is that the suction force, which takes up nutrients via the roots, becomes smaller.
Yes, you can make contributions to your IRA, subject to the IRS annual contribution limits ($5,500 for the 2015 tax year, $6,500 if you're age 50 or older). But you must keep Roth IRA and traditional IRA money separate.
For each year you contribute to a regular IRA or a Roth IRA, you (or your spouse, if you file jointly) must have qualifying income. If you donât have qualifying income, you canât contribute.earn what counts as compensation income that allows you to make IRA contributions. You canât make a regular (non-rollover) contribution to a traditional IRA or a Roth IRA unless you or your spouse have qualifying income.