nitrogen-potassium fertilizer

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• Fertilizer — Tennessee Valley Authority: Results of Fertilizer demonstration 1942 …   Wikipedia

• Potassium nitrate — Potassium nitrate[1] …   Wikipedia

• Nitrogen — carbon ← nitrogen → oxygen ↑ N ↓ P …   Wikipedia

• nitrogen group element — ▪ chemical elements Introduction  any of the chemical elements that constitute Group Va of the periodic table (see Figure >). The group consists of nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). The elements share… …   Universalium

• fertilizer — /ferr tl uy zeuhr/, n. 1. any substance used to fertilize the soil, esp. a commercial or chemical manure. 2. a person, insect, etc., that fertilizes an animal or plant: Bees are fertilizers of flowers. [1655 65; FERTILIZE + ER1] * * * Natural or… …   Universalium

• potassium — /peuh tas ee euhm/, n. Chem. a silvery white metallic element that oxidizes rapidly in the air and whose compounds are used as fertilizer and in special hard glasses. Symbol: K; at. wt.: 39.102; at. no.: 19; sp. gr.: 0.86 at 20°C. [1800 10; < NL; …   Universalium

• Potassium oxide — Chembox new Name = Potassium oxide ImageFile = Potassium oxide 3D vdW.png ImageSize = 200px ImageName = Potassium oxide IUPACName = Potassium oxide OtherNames = Potassium monoxide Section1 = Chembox Identifiers CASNo = 12136 45 7 Section2 =… …   Wikipedia

• nitrogen — /nuy treuh jeuhn/, n. Chem. a colorless, odorless, gaseous element that constitutes about four fifths of the volume of the atmosphere and is present in combined form in animal and vegetable tissues, esp. in proteins: used chiefly in the… …   Universalium

• complete fertilizer — noun : a fertilizer that contains the three primary plant nutrients (nitrogen, phosphoric acid, and potash) * * * a fertilizer containing nitrogen, phosphorus, and potassium, the three principal elements required for plant nutrition. [1895 1900]… …   Useful english dictionary

• complete fertilizer — a fertilizer containing nitrogen, phosphorus, and potassium, the three principal elements required for plant nutrition. [1895 1900] * * * …   Universalium

• agricultural technology — Introduction       application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation       Mechanical processing of soil so that it is in the proper physical condition for planting is usually… …   Universalium