Chemical Fertilisers acrylic print by Martyn F. Chillmaid/science Photo Library. Bring your artwork to life with the stylish lines and added depth of an acrylic print. Your image gets printed directly onto the back of a 1/4" thick sheet of clear acrylic. The high gloss of the acrylic sheet complements the rich colors of any image to produce stunning results. Two different mounting options are available, see below.
Chemical fertilizers. Samples of different chemical fertilizer mixtures. The main elements required by plant life are nitrogen (N), phosphorus (P)... more
Chemical fertilizers. Samples of different chemical fertilizer mixtures. The main elements required by plant life are nitrogen (N), phosphorus (P) and potassium (K). Supplements based on compounds that contain these elements are referred to as NPK fertilizers. Different ratios, and additional trace elements, are used depending on the crop and soil. Clockwise from far left, the N:P:K ratios are: 15:5:20, with 2 parts magnesium (Mg) and 3 parts sulphur (S); 15: 30:15, with trace elements (commercial Miracle- Gro mixture); 12:10:27 with added sulphur, iron (Fe) and maganese (Mn); 1:1:1; and 16:8:13 with 2 parts Mg (tomato fertilizer).
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