$14.$ True or False: Controlled$-$release fertilizers release nutrients at the same rate as traditional fertilizers but are engineered to be more environmentally friendly.

$15.$ True or False: Lime is often applied to agricultural fields to increase soil acidity and counteract the alkaline effects of prolonged synthetic fertilizer use.

$16.$ True or False: Synthetic ammonia production is a significant consumer of hydrogen, sourced mainly from water electrolysis.

$17.$ True or False: Biofertilizers and synthetic nitrogen fertilizers can be used together in an integrated nutrient management system to enhance soil fertility and crop yield.