1. In dark water colonization, first open the ditch on both sides of the high ridge, and then dig in the ditch according to the planting distance. After the ditch is closed, open the ditch to divert the water and run irrigation. After the irrigation, seal the ditch in the afternoon so that the ground temperature does not decrease. The method of planting has a small amount of irrigation water and is prone to drought. It should be noted that the first water should be poured as early as possible.
2. The cultivation of open water and open water is to open deep trenches on high ridges, plant seedlings by plant spacing, and bury some soil. Planting should not be too deep. After planting seedlings, ditches should be diverted and ditched. The ditch should be sealed the next afternoon after irrigation. This method of planting has a large amount of water, so it is no longer necessary to slow down the seedlings, but the ground temperature is low. After planting, the mulch film should be laid in time to increase the ground temperature.
3. Water-stable seedlings are planted by irrigating water after the ditch is opened on high ridges, placing seedlings in the water, and infiltrating the ditch after water infiltration, which is conducive to the elevation of ground temperature.
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