Ammonia provides a promptly available source of nitrogen , a necessary food for grasses to spring up a healthy green color and produce new emergence . Not all type ofammoniaare created equal . Using the wrong type or too much of the right case can burn and kill your supergrass . Understanding the different ammonia types and how they affect your grass help you watch which ammonia - based fertiliser best fits your lawn ’s want .
Household Ammonia
Homemade fertilizers and lawn tonic recipes that curb ammonium hydroxide , which is common home ammonia , can shoot down your grass . chemic concentrations deviate depending on the brand of household ammonia water , which makes over app and chemical George Burns to the lawn more probable . Although grass and other plant life can apply the nitrogen available in some ammonium formulas , ammonium hydroxide is a caustic federal agent meant for clean so it ’s more likely to glow or kill lawn pasture and other plants . When used in small enough amount so as not to harm the lawn , such as 1/2 cup per 250 solid feet , it does n’t append enough usable atomic number 7 to put up any health benefits to the grass .
Ammonium Nitrate
Ammonium nitrate provides the source of atomic number 7 in many stock fertilizer blends , especially those meant for fall and wintertime app . It ’s best suited for establish , healthy forage because the ammonium hydroxide releases the nitrogen quickly , which can burn or kill tender new grass seedling , or grass suffering from drought or other stresses . ammonium ion nitrate fertilizer have an N - phosphorus - potassium ratio of 33 - 0 - 0 , which command an app of 3 pounds of ammonium nitrate for every 1,000 straight fundament to add 1 Cypriot pound of literal nitrogen to your lawn .
Ammonium Phosphate Sulfate
Gentler source of N provide a better choice for untoughened new grasses , those recovering from stress or a starter treatment before planting new grass . Ammonium phosphate sulphate has an NPK ratio of 16 - 20 - 0 , so it contains less atomic number 7 than ammonium nitrate and it also supplies some phosphorus . Six pound of ammonium inorganic phosphate sulfate plant food offer 1 pound of N to every 1,000 straight feet of lawn . This type of ammonia is the least likely to cauterise or belt down grass .
Ammonium Sulfate
Ammonium sulfate plant food is n’t typically used in Gunter Grass fertilizers because it induce acidulent condition . It ’s in the first place used to take down the pH floor for acid - hump plant . Most lawn grass uprise best in a neutral pH between 6.0 and 7.0 . In grunge with highly alkaline grease with a pH above 7.1 , ammonium sulphate can help lower the pH to the favored indifferent zone . Ammonium sulphate has an NPK proportion of 21 - 0 - 0 , so 5 pound sign are required to provide 1 pound of actual nitrogen to 1,000 square feet of grass . Over diligence will combust and kill the eatage .
Application Safety
All ammonia water - establish nitrogen rootage can make skin aggravation , chemical burn , and damage to the eyes and pharynx if inhale . assume heavy gloves , protecting exposed cutis and bust eye security minimizes the luck during app . Mix and handle fertilizer in a well - ventilated expanse to avoid fumes . Keep children and pets off the grass after fertiliser practical program for at least 24 hours .
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