In photosynthesis, the plant uses water and nutrients from the soil, and carbon dioxide from the air with the sunâs energy to create photosynthates. Oxygen is releases as a byproduct. Figure 2.thletes take up oxygen through their lungs. Plants take up oxygen through the stomata in their leaves and through their roots. Again, respiration is the burning of photosynthates for energy to grow and to do the internal âworkâ of living.
Seeding a New Lawn. The process of applying seed for a new lawn is the same for most applications, but preparation may be limited to raking and fertilizing. Prices for seeding new lawns across the country reflect variations in lot size and preparation requirements, but typically range from $400 to $800.
Planting Seeds. Overall, the cost to seed a lawn will depend on the size of your lawn. That will determine how much work will need to happen and the cost of buying the fertilizer, mulch and seeds. This is still a cost-effective way of starting your lawn, however.Just make sure to talk to at least three professionals before you make any decisions.ou'll need to buy the actual seeds, which will obviously increase the cost to seed a lawn. But the cost of seeds, no matter what fancy seeds you buy, will be much less than the cost of sod.