Notes

Using Fertiliser For Landscaping
There are four main components of a good fertiliser: Nitrogen, Phosphorous, Potassium and Sulphur. These nutrients play key roles in photosynthesis, the process by which plants convert solar energy into chemical energy. Without these four elements, plants would not be able to produce high-quality flowers and fruits. In addition, they are vital to the production of starch and organic stuff. If you want your crops to produce quality fruit and flowers, you need to give them enough Phosphorus and Potassium.
Nitrogen

If you want to use nitrogen as a fertiliser, there are a few factors to consider. The higher the rate of N, the greater the risk of N emissions. Soil testing is the best way to determine how much nitrogen your soil needs, as this will give you an idea of how much you should apply per thousand square feet of regular landscaping. Generally, you should apply one to two pounds of nitrogen per 1,000 square feet of soil for general landscaping. Apply nitrogen in the spring, before plants are actively growing. For heavy clay soil, use late fall. Make sure to read the label of any fertiliser before using it on your lawn or garden.
Phosphorous

The use of phosphorous as a fertiliser has been around for centuries, but many farmers are concerned that it is toxic to the environment. To address this issue, scientists have developed a process that converts insoluble phosphate into soluble phosphate. This process was developed by Fritzmeier Umwelttechnik GmbH, a medium-sized enterprise in Helfendorf, Bavaria. In a recent study, the company scaled the process to produce one kilogram of phosphate for two euros, which makes it a lot cheaper than the chemical processes currently used.
Potassium

Farmers use potassium in fertiliser to boost plant growth. The mineral is essential to the growth of many crops, including cereals, fruits, and vegetables. It also plays a key role in the production of ATP, which regulates the rate of photosynthesis. It also helps plants develop strong stems and strong roots, and improves the quality of flowers and fruit. The addition of potassium to soil can increase plant water and carbon balance, and improve drought resistance.
Sulphur

Sulphur is an essential nutrient for plants. It plays a key role in the synthesis of proteins and contributes to the efficient use of nitrogen. Modern high-analysis fertilisers contain sufficient sulphur for cereal crops. Canola crops, on the other hand, need extra sulphur before seeding. This is easily achieved by applying extra sulphur before seeding or after, in the form of Gypsum or Amsul. In case of a deficiency of sulphur in established crops, sulphate of ammonia (SSP) is applied.
fertiliser Iron

Fe and Mn are exchangeable ions and are easily re-translocated in the plant tissues. In addition to this, organic matter plays an important role in reducing Fe++ and making it available for plants. In order to make it more available to plants, organic matter is combined with chelating agents. However, this method is not entirely reliable. Fertilisers containing iron should always be diluted by 50%.
Sulphur deficiency

The prevalence of sulphur deficiency in fertiliser has increased in the UK over the last decade, and the amount of S applied in some crops is also increasing. Fertilisers containing sulphur vary in their availability and application rates, so it is difficult to assess the amount of S that is required for specific crops. However, the amount of S needed for a given crop is largely dependent on its requirements and the type of soil in which it is grown. Sulphur fertilisers are generally available in two forms: soluble sulphate and elemental S. Potassium sulphate can correct sulphur deficiency in crops, but is not commonly used in Alberta.
Controlled release fertilisers

One of the main differences between conventional and controlled-release fertilisers is their mechanism of dissipation. In conventional fertilisers, the nutrients are released into the soil immediately while controlled-release fertilizers slowly release their nutrients over a longer period of time. Some of the mechanisms by which controlled-release fertilizers work include protein materials, soil occlusion, and semi-permeable coatings. In addition to using a slow hydrolysis of water-soluble low molecular-weight compounds, they may also contain micronutrients such as kelp or earthworm castings.
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