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.
During this process, the soil will be prepared and the grass seeds will be planted. This process can be done by the homeowner or a professional service can be brought in. The cost of reseeding a lawn is going to depend on the size of a lawn, the company conducting the service, as well as other factors.1  On average, a professional is going to charge anywhere from $90 to $170 per 1,000 square feet depending on layout of the yard. Fertilizer can be considered an additional option. 2  Again, this fertilizer can either be included in the overall quote, or can be charged separately. 3  Many contractors are going to be able to offer a wide variety of lawn seed to choose from. 4  If a higher end seed is chosen, the cost can go up according to the type of seed.