myLogger.debug("photoperiod: " + photoperiod);
    protected float calculateNetCanopyPhotosynthesis() {        float plantGrowthDiurnalCycle = 24f;        float grossCanopyPhotosynthesis = calculateGrossCanopyPhotosynthesis();        float photoperiod = getPhotoperiod();        myLogger.debug("plantGrowthDiurnalCycle:" + plantGrowthDiurnalCycle);        myLogger.debug("carbonUseEfficiency24:" + carbonUseEfficiency24);        myLogger                .debug("grossCanopyPhotosynthesis:" + grossCanopyPhotosynthesis);        myLogger.debug("photoperiod: " + photoperiod);        return (((plantGrowthDiurnalCycle - photoperiod) / plantGrowthDiurnalCycle) + ((photoperiod * carbonUseEfficiency24) / plantGrowthDiurnalCycle))                * grossCanopyPhotosynthesis;    }