The phrase "a kilogram of soil" is correct and usable in written English.
It can be used when referring to a specific quantity of soil, often in contexts related to gardening, agriculture, or scientific measurements.
Example: "To improve the garden's fertility, I added a kilogram of soil enriched with nutrients."
Alternatives: "one kilogram of soil" or "a kilo of soil".
H is the fractional area covered with deposited sediments; F is the fractional stream power effective in entrainment and re-entrainment; J is a measure of erodibility, i.e. the amount of energy required to remove a kilogram of the soil.
Phosphate adsorbed per kilogram of soil (a) and removal efficiency (b) depending on the phosphate concentration applied in the lab test.
For the nitrogen transformation test with soil microflora[23] we augmented sieved and spiked soil with powdered plant material (lucerne-grass-green meal) at a plant/soil ratio of 5 g plant per kilogram of soil (dry mass).
The new policy on rice will ban planting of the crop in soil that has more than 5,000 becquerels of cesium-137 per kilogram of soil.
For the zinc oxide, the concentration was either 0.005, 0.1, or 0.5 grams per kilogram of soil.
Different concentrations of nematodes (1000, 5000, and 10,000 IJs) were applied in 10 ml distilled water per kilogram of soil.
According to calculations [30], 32.20 g of the lime by-product fertilizing per kilogram of soil is required to achieve soil pH 7.0.
An important aspect of the application of the plant diversity indicator is the transformation from calculated NO3 concentrations in soil solution, as calculated in SMART2, towards nitrogen content per kilogram of soil as used in the plant diversity indicator (see Additional file 1 Eq. (72)).
Although the average concentration of silver in the soil is typically less than 1 milligram per kilogram of soil, it can be significantly elevated near industrial sites such as mines and smelters.
Each kilogram of soil usually contains Si ranging from 50 to 400 grams.
