Correctly understanding the method of rotation in paddy fields has a great influence on the growth of rice and the improvement of agricultural machinery work efficiency. Therefore, the following points should be mastered in the field of rotary drilling in paddy fields:
First, the amount of water. Too much water, the field is not easy to pulp, can not meet the quality requirements; too little water, the field is not easy to flatten. It will also increase the friction resistance of agricultural machinery in the soil. Therefore, it is generally advisable to control the water 2 to 4 centimeters before entering the field 2 to 4 hours before the rotation. For ploughed fields, the depth of flooding is appropriate for the tip of the plough.
Second, coulter installation. According to the surface conditions of the soil, the orientation of the elbow of the rotary plough is determined. Flat ridge operation, the coulter elbow installed outwards; trench filling operations, coulter elbow installed inward; general cultivator, coulter elbow mixed installation. In order to reduce the direct contact of the rice straw plough with the coulter shaft, when the coulter shaft is installed with the left and right two coulters, the two bolts are lengthened by about 10 centimeters to eliminate the phenomenon of cooperating the shaft of the coulter.
Third, rotation speed. The forward speed of the walking tractor and the rotation speed of the coulter shaft are determined according to the specific conditions. For the first time of the unplowed rice straw field, the tractor can choose to use the slow second gear to advance, the coulter shaft can choose the low speed is appropriate: rotary tillage second, three times and ploughed paddy fields, the tractor can be Choose the slow third speed, the coulter shaft can use high speed.
Fourth, the direction of walking. Many operators use arbitrage methods to form a heavy lap in Tanabe, which takes time and fuel. The correct method is to use the slanting method, that is, the locomotive starts cultivating along the diagonal line of the field to the left or right, and gradually expands outwards, and finally it can wind around the field once. This method has high work efficiency, low fuel consumption and good quality.
Fifth, the number of passes in Putian. According to the agronomic requirements of rice planting, throwing paddy fields is generally best for two or three times. It is better to plant the plots by hand and use them twice. If there are too many fields in the field, it will destroy the grain structure of the soil and cause soil compaction. At the same time, it will accelerate the wear and fuel consumption of the agricultural machinery and machinery: If the fields are not uniform, then the agronomy requirements will not be reached.
Sixth, I would like to avoid slipping. Before work, use bamboo rods to mark the pool and ditch. Once slipped down, you can take a piling and self-rescue approach by driving a wooden stake about 5 meters in front of the locomotive, pounding the wire rope to the stake and ramming it on the drive wheel. Pull the file, shake the handle and crank the crankshaft to walk the tractor and pull the tractor out of the trap through the wire rope around the drive wheel. In addition, it can also be pulled out by cultivators or tractors with higher power.
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