EFFECT OF SOIL IRRIGATION WITH TWO TYPES OF SEAPLANT EXTRACT AND HUMIC ACID ON GROWTH, QUANTITY AND QUALITY OF YIELD IN LETTUCE (Lactuca sativa L.)
Mesopotamia Journal of Agriculture,
2017, Volume 45, Issue 2, Pages 81-88
AbstractThis research was conducted during winter growing season of 2011-2012 at the vegetable Farm Hort. & Land Scape Design Department, Colloge of Agriculture and Forestry, Mosul Universty,to study the effect of soil irrigation with two seaplant extracts at two concentrations for each: Alga600 at 2 and 4 gm/ L and Algamix at 3 and 6 ml/ L in addition to humic acid at 3 and 6 ml/ L, the Chemical fertilizer, and control (non- fertilizer) treatments on growth and yield components of lettuce.The experiment involved 8 treatments implemented Randomized Complet Block Design (RCBD) with three replications Results indicated that application of Algamix at concentration 3ml/ L significantly increased leaf area/ plant, head length, stem length, and wiegth, whereas the same seaplant extract at concentration of 6 ml/ L increased the dry matter percentage of leaves, percentage of head folding, average weight of total and marketable/head, total and marketable head yield.
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