1. effects of fresh fertilizer plant plough and the physical and chemical properties of the soil to the depth conversion of
pineapple clay 3 0 20-20: 30, 30-60 cm-and the density of the soil (bulk density) is 1.56 1.65, and 1.79 grams per cubic centimeter, respectively the coefficients of soil water that is saturated with water. There are 2.54 centimeters, up 1.37 and 4.56 per hour. As an acid alkaline soil Is 5.23 5.05 4.93, and อินทรีย clay objects in quantity. Has a value of 0 and 0.371, 0.448.158 percent, has useful quantities of phosphorus, 8.00, 10.73 and 4.31 mg/kg. Exchange potassium consumption. With 35, 13 and 17 mg/kg (table 1)
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