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Organic lawns often benefit from over seeding, slice seeding and aeration more frequently due to the importance of a strong root system. Well-maintained organic lawns are often drought-tolerant. If a lawn does need watering it should be done infrequently but deeply. [7]
Soil aeration is the mechanism of improving the exchange of gases between the atmosphere and soil. Through soil microbial activity and plant root respiration, certain gases such as oxygen will be depleted in the soil, while others, such as carbon dioxide, will build up in the soil. [1] Lack of oxygen in the soil can impact plant growth.
This reduces compaction in the soil, and the holes can stay open for a long time allowing air, fertilisers, and water to reach the roots. Core aeration is suitable for heavy clay soils, and spike aeration is more suited to sandy or loamy soils. Powered aerator vs. manual aerator. Powered core aerator in use
Early autumn, spring, and early summer are the primary seasons to seed, lay sod (turf), plant 'liners', or 'sprig' new lawns, when the soil is warmer and air cooler. Seeding is the least expensive, but may take longer for the lawn to be established. Aerating just before planting/seeding may promote deeper root growth and thicker turf. [62]
Aeration (also called aerification or aeriation) is the process by which air is circulated through, mixed with or dissolved in a liquid or other substances that act as a fluid (such as soil). Aeration processes create additional surface area in the mixture, allowing greater chemical or suspension reactions.
Tilling can create a flat seed bed or one that has formed areas, such as rows or raised beds, to enhance the growth of desired plants. It is an ancient technique with clear evidence of its use since at least 3000 B.C. [8] No-till farming is not equivalent to conservation tillage or strip tillage. Conservation tillage is a group of practices ...
A seed rate of about 100 kg of seed per hectare (2 bushels per acre) is typical, though rates vary considerably depending on crop species, soil conditions, and farmer's preference. Excessive rates can cause the crop to lodge, while too thin a rate will result in poor utilisation of the land, competition with weeds and a reduction in the yield .
The remainder of the vascular plant sections address the higher plants (spermatophytes or seed plants, i.e. gymnosperms and angiosperms or flowering plants). In the higher plants, the terrestrial sporophyte has evolved specialised parts. In essence, they have a lower, underground component and an upper, aerial component.