The following six points should be noted for raising seedlings in summer hot season: HEBEI PINGLE FLOUR MACHINERY GROUP CO., LTD , http://www.plrollermill.com
One is to choose a good plot. After selecting the plots, adequately decomposed farmyard manure should be added as base fertilizer and shallow ploughing should be carried out.
The second is to prevent high temperature hazards. When the lettuce and celery sprout at high temperatures, it is difficult to soak the seeds for 8 hours and then use a wet gauze wrapped in a cold place to germinate.
The third is to prevent the virus from harming. Severe vegetable virus diseases occur at high temperatures and various measures should be taken. In addition to the above-mentioned nursery facilities, mustard and tomato seeds can also be treated with 10% trisodium phosphate solution for 10 minutes and then rinsed with fresh water.
The fourth is to prevent heavy rain. In the summer, heavy rain will make the soil hardened, which is not conducive to seed germination and excavation. It is necessary to choose Gaozao to build a seedbed. If it is vulnerable to rainstorm areas should choose sandy loam seedlings.
Fifth, prevent drought hazards. Should be planted in the seedbed after pouring enough water, or fully watered and then soil preparation, sowing seeds. After sowing, the soil is covered by soil and covered with plastic film. It is also necessary to pay attention to watering the seedbed in the morning and evening.
The sixth is to prevent the seedlings from becoming leggy. To use watering cans to sprinkl water sooner or later, seedlings or seedlings should be divided in time, and the nutritional area of ​​seedlings should be larger. Cucumbers and tomatoes can be sprayed with ethephon to control shoots.