plants seeds & bulbs
hubbard scientific r nf ecology symbiosis kit
this unique kit demonstrates the interrelationships of legumes with the nitrogen fixation process grass seeds are planted hydroponically in nutrient deficient media containing inoculum treated clover seeds students see dramatic results in 3 4 weeks kit contains enough planting pots and supplies for 24 students reproducible student worksheets and teacher s guide included american educational products have a lead ship time of 21 days sku amed1563