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Soil solarization is a non-chemical environmentally friendly method for controlling pests using solar power to increase the soil temperature to levels at which many soil-borne plant pathogens will be killed or greatly weakened. [1] Soil solarization is used in warm climates on a relatively small scale in gardens and organic farms.
Best Time to Plant Grass Seed by Season Keep these seed-sowing windows in mind for each season when planting grass seed. Spring: March to April is the best time to plant in spring for most areas.
It skips the soil tillage steps, but may involve removing enough plant residue to avoid problems with the tarps. The no-till stale seed bed method involves covering the soil with plastic or silage tarps. There are two basic strategies: soil solarization and soil occultation. With soil solarization, the seed bed is covered with a clear plastic ...
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 .
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Growing degrees (GDs) is defined as the number of temperature degrees above a certain threshold base temperature, which varies among crop species. The base temperature is that temperature below which plant growth is zero. GDs are calculated each day as maximum temperature plus the minimum temperature divided by 2, minus the base temperature.
It can grow up to 2.7 m (8 ft 10 in) high, but is typically shorter than big bluestem grass or indiangrass. The leaves are 30–90 cm (12–35 in) long, with a prominent midrib. Switchgrass uses C 4 carbon fixation , giving it an advantage in conditions of drought and high temperature. [ 2 ]
These methods may increase the amount and variety of life in and on the soil. While conventional no-tillage systems use herbicides to control weeds, organic systems use a combination of strategies, such as planting cover crops as mulch to suppress weeds. [1] There are three basic methods of no-till farming.