When pineapple ages 6 months to 4 months and the length of the (D-Leaf) of pineapples are grown between the processes that plough (A) and the type of plant fertilizer, sod (B) no statistical difference. Plough plough 1 announce, in cooperation with the Board to loosen before planting, fertilizer, sod. (A3), the length of the (D-Leaf) with most of the growth is equal to 60.91 cm, and 67.23 cm respectively and planting thuea por ngapen manure (B3), the length of the (D-Leaf) are the most of growth equal to 60.51 centimeters and 66.16 cm respectively (table 7).
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