Potato juice extracts The tubers of potatoes (potatoes) are frozen in a refrigerator for 3-5 days. After they are removed, they are allowed to thaw naturally and then juiced. The tomato seeds to be sown are soaked in potato juice for 12 hours. Use a thick, lint-free cloth to cover the potatoes, spread the soaked seeds loosely, keep the seeds out of contact with each other, cover with polyethylene film to prevent drying, but keep them breathable and place them in a warm place. After the seeds germinate, they are inserted into the soil for nursery. According to experiments, germination using the above method can ripen tomatoes 15-20 days earlier than conventional methods.
Seedlings planted horizontally and planted in leveling plants are generally cultivated more than conventional ones. The seedling period is shortened by 3-5 days, the survival rate is increased by 15%-20%, the harvest period is 7-10 days earlier, and the yield is increased by 20%-30%. The specific approach is: on the basis of fine soil preparation and base fertilizer application, a good north-south direction should be followed, and the width should be covered with a plastic film. Then ditch the ditch by line spacing, about 7 cm deep, then dig holes according to the spacing of the plants, about 5 cm deep. After the hole is made, one-third of the leaves and the buds of the base of the seedling are wiped off. Miaoshungou is put in place. The roots face into the south and the head heads into the ditch toward the north, covering the soil until the blade part is wiped, and the mulch is covered. In the greenhouse cultivation, the lower branches can be cut to promote root growth. To plant tomato horizontally, we must pay attention to the following two points: First, we must plant high and long plants according to the height of the seedlings, and plant the dwarf plants so that they are not mixed together; second, the weight of the selected plants should not be less than 8 g. The height of the aerial part of the seedling plant is about 10 centimeters and it is made obliquely.
The foliar spraying of cow urine will pour fresh cow urine into the sprayer. When the stomata of the tomato leaf in the noon open, it will be evenly sprayed on both sides of the leaf and can be carried out during the whole growth period. Generally can increase production by 18%-25%. However, it should be noted that cow urine collected on the day is sprayed on the same day; during the fruiting period, cow urine should not be sprayed for about 10 days before fruit picking to prevent the fruit surface from being contaminated.
Inspiratory chicken, rabbit feces liquid in tomato fruit, about 6% concentration of chicken, rabbit feces soaked filtrate directly sprayed on the positive and negative sides of the leaves, can make tomato fruit fast, mature early, good quality and high yield. The preparation method of manure solution is: Take 3 kg of dry chicken manure or dried rabbit manure, add 50 kg of clear water, and put it together in a wooden barrel or large tile jar and seal and soak for 6-7 days. After fully fermenting, stir and filter evenly. Slag can be used.
According to the characteristics of the root stem of the tomato stem, the main stem of the mango stem will be left with 2-3 lateral branches which will breed on the bottom of the main stem after the fruit stem has grown. Only 2-3 leaves were exposed. After all the side branches were fixed, they were poured once. After the lamination, the greenhouse cultivation temperature is controlled at 20-25°C during the day and 10-15°C at night, and the soil moisture is maintained at 60%-70%, and the air humidity is 45%-55%. After the decline of the main stem of the tomato fruit, immediately cut the main stem from the upper part of the pressed lateral branch, and strengthen the management of fertilizer and water.
With the exception of the old stems, the main stem was left after the results, and the old stems were cut off after selecting the good seeds, cultivating strong seedlings, reasonable close planting, and finely cultivating the tubes. Article 2 The main stem can sprout again, and the fruit is more knotted, forming a high-yield and high-life tomato tree. This method not only saves the seeds, but also increases the yield by about 2 times. The result is 15-20 days ahead of schedule.
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