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Secondary tillage produces finer soil and sometimes shapes the rows, preparing the seed bed. It also provides weed control throughout the growing season during the maturation of the crop plants, unless such weed control is instead achieved with low-till or no-till methods involving herbicides .
Keep this in mind: You want the seeds to make good contact with the soil for improved germination rates. Sprinkle seed on the bare area, lightly working in into the first 1/8-inch of soil. Pat ...
The purpose of harrowing is to break up clods and to provide a soil structure, called tilth, that is suitable for planting seeds. Coarser harrowing may also be used to remove weeds and to cover seed after sowing. Harrows differ from ploughs, which cut the upper 12 to 25 centimetre (5 to 10 in) layer of soil, and leave furrows, parallel trenches.
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 .
When growing new grass, it should ideally be done in the spring and the fall seasons to maximize growth and to minimize the spread of weeds. It is generally agreed that organic or chemical fertilizers are required for good plant growth. Some landscapers prefer to use mix gravel with rocks of varying sizes to add interest in large areas. [8]
Further aeration of the soil results from the ability of the root systems of many green manure crops to efficiently penetrate compact soils. The amount of humus found in the soil also increases with higher rates of decomposition, which is beneficial for the growth of the crop succeeding the green manure crop. Non-leguminous crops are primarily ...
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Grass seed mixes have been developed to include only grass seed species that grow will in low sunlight conditions. These seed mixes are designed to deal with light shade caused by trees that can create patchiness, or slightly heavier shade that prevents the full growth of grass.
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