Experimental results and criticism in the study of plough plow to loosen dirt and fertilizer plants, fresh pineapple plantations. In the research and Development Center for agricultural inputs, Khon Kaen, on the ground that satuek series LP on soil dirt contamination sand ruan. 35-45 cm (the Plow pan) begins to grow pineapple, rengdok May 14, 2010 May 6, 2011 to June 30, when harvested October 21, 2011 to report on the results of the experiment were as follows:
. 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. Has a value of 35, 13 and 17 mg/kg (table 1), quantity of อินทรีย objects in the soil convert the pulp during the processes that plough (A) and the type of plant fertilizer, sod (B) no statistical difference settings but there is increased. When compared at the same depths; 1. before planting, fertilizer and do not want to extort to loosen before planting pineapple (A3) อินทรีย so much more precious objects as possible equal to 0.45 percent (table 2), the density of the soil between the processes that plough (A) and the type of plant fertilizer, sod (B) no statistical difference. There is reduced when compared at the same depths of soil before the trial that the depths 0-30 cm and. Cm showed that plough picked Zidane together with the County to loosen 2 times before planting, fertilizer and do not want to extort to loosen before planting pineapple (A2) and the plough picked Zidane together with the County to loosen 1 before planting, fertilizer and do not want to extort to loosen before planting pineapple (A3) has reduced average. 1.56, 1.58, 1.69, and 1.69 grams per cubic centimeter, respectively, in accordance with the Nativity and faculty (2547 (2004)) found that the planting of sugar cane land in the sand extort satuek series not to loosen and reduce the plough to loosen. Make the total density of the soil decreased, especially when the soil has more depth. Planting thuea Po ngapen manure (B3), the average dropped as much as 1.57 grams per cubic centimeter and 1.68 grams per cubic centimeter, respectively (table 3) the processes and types of plough fresh fertilizer plant. อินทรีย has been added to the object on the ground. As a result, improved physical properties. Water accumulated in the gap of the soil increases (Noi, 2531 (1988) อินทรีย chueamonuphak as object) soil Pellet, a good structure stabilization and soil with proper spacing on growth of plants, plant root growth has been around Thomson has deep. There is gas exchange. (Hamblin, 1985)
2. effect of fertilizer plants and continue to plough fresh growth of pineapple
.Effect of plough and fertilizer plants grown in soil, fresh pineapple. There are more translucent clay objects, อินทรีย is the exchange of gases and water-based smoke from measuring the growth of pineapple by Quantitation of nutrient in the plant at the age of 4 months. 6 months ago showed that the quantity of nitrogen during all processes that plough (A) and the type of plant fertilizer, sod (B) no statistical difference by age 4 months, with the value in the range 0.30 – at the age of 6 months percent 0.44 between 0.43 – 0.61 percent (table 4), at the age of 6 months all of the phosphorus consumption processes plough (A) statistical differences at the 95% level was found to be normal plough together with the County to loosen 1 before planting, fertilizer and plough to loosen another 1 before planting pineapple (A1) Highest value equal to 1.62 percent, but does not differ with the plough picked Zidane together with the County to loosen 1 before planting, fertilizer and do not want to extort to loosen before planting pineapple (A3) and in conjunction with ordinary plough plough to loosen 1 before planting, fertilizer and do not want to extort to loosen before planting pineapple (A4) Equal to 1.58, 1.59 percent, respectively (table 5) all quantities of potassium between the processes that plough (A) and the type of plant fertilizer, sod (B) no statistical difference when 4-month-old charge in the range of 1-1.21.54 percent, and at the age of 6 months between 1.27 – 1.80% (table 6) by 4 months of age and pineapple when 6 months in length (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 Joint Board to loosen the And do not want to extort to loosen before planting pineapple, (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 cm and 66.16 cm, respectively (table 7), the Board picked plough together with the County to loosen 1 before planting, fertilizer and do not want to extort to loosen before planting pineapple, (A3), most pineapple output is equal to 9.7 tons per Rai Best planting Po thuea ngapen manure (B3), most pineapple output is equal to 9.2 tons per Rai by plough picked Zidane together with the County to loosen 1. plantations and then plow thuea por as manure and do not want to extort to loosen before planting pineapple with output approx. 9.50 tons per Rai (table 8)
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