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ITRC Paper No. P 98-001.  Charles M. Burt

Fertigation Basics

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Fertigation is widely practiced with drip irrigation, yet remains very unsophisticated.  Main areas which need improvement are (i) making certain the irrigation system applies water with a high DU (uniformity), (ii) using proper injection pumps and protection hardware, (iii) recognizing that chemicals can interact with each other and with water to form precipitates which will clog emitters, (iv) understanding of nutrient ratios in plants and soil, (v) recognizing that nitrogen fertilization requires attention to the type of nitrogen, and (vi) developing programs for spoon-feeding chemicals.  This paper covers the first 4 topics, plus discusses some specific fertilizers.

 

Burt, C.M. 1998. Fertigation Basics. Pacific Northwest Vegetable Association Convention, Pasco, 19 November 1998. 13 pp.

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