As a stable and high-yielding vegetable variety, tomato is the choice of many farmers to plant autumn sorghum. Recently, the reporter saw in the modern agricultural park of Yangling Demonstration Zone in Shaanxi Province that many farmers have begun to carry out the cultivation of autumn oak tomatoes. Zhang Enhui, a professor at the College of Horticulture of Northwest A&F University, reminded farmers that high-yield and early-maturing tomatoes should start from the following aspects.
Using potato juice to promote buds Linyi Fertilizer Network Copyright
The potatoes are cut into pieces, frozen in the refrigerator for 3-5 days, and taken out after they are naturally thawed. The tomato seeds were soaked in potato juice for 12 hours. Then use a thick cloth without fluff to pour the potato juice, loosely soak the soaked seeds on top, cover with a polyethylene film to prevent drying, and then put it in a warm place. After the seeds are germinated, they are inserted into the soil for seedling. According to the test, germination with potato juice can make the tomato mature 15-20 days earlier than the conventional method of germination. Linyi Fertilizer Network Copyright
Scientific Planting Seedlings Linyi Fertilizer Network Copyright
Before the seedlings are planted, the base fertilizer is applied, and then the ditch is about 7 cm deep in row spacing, and then the hole is drilled according to the plant spacing, and the depth of the hole is 5 cm. The 1/3 of the leaves of the tomato seedlings are wiped off, the seedlings are placed in the ditch, the roots are placed in the south, the head is turned into the ditch, and the soil is covered until the leaves are removed, and the mulch is covered. The lower side branches can be cut during greenhouse cultivation to promote root growth. According to the test, the horizontally planted tomato is generally shorter than the conventional erect cultivation, the slow seedling period is shortened by 3-5 days, the survival rate is increased by 15%-20%, the harvesting period is 7-10 days earlier, and the yield is increased by 20%-30%. Linyi Fertilizer Network Copyright
Ye Qiao Shi Farming Fertilizer Linyi Fertilizer Network Copyright
During the whole growth period of tomato, when the stomata of the tomato leaves is opened at noon, fresh bovine urine is uniformly sprayed on both sides of the leaf, which can generally increase yield by 18%-25%. However, it is not advisable to spray bovine urine about 10 days before fruit picking to prevent contamination of the fruit surface. During the fruit-bearing period of tomato, the soaking filtrate of chicken and rabbit feces at a concentration of about 6% is directly sprayed on both sides of the leaf, so that the tomato fruit can be swollen fast, mature early, good in quality and high in yield. After the proportion of the manure is prepared, it should be sealed in a wooden barrel or a large tank for 6-7 days. After sufficient fermentation, stir and evenly filter the residue to be used. Linyi Fertilizer Network Copyright
Pressing the side of the branch to promote the results of Linyi Fertilizer Network
After the fruiting period of the tomato, the 2-3 side branches that were born at the bottom of the main stem were left to bend the ground, and the soil was laminated and fixed. Only 2-3 leaves were exposed at the top and water was poured once to control the temperature. Humidity, (the greenhouse is at 20-25 ° C during the day and 10-15 ° C at night, the air humidity is 45%-55%.), according to the characteristics of the roots of tomato stems, after the main stem and fruit of the tomato decline, immediately from The upper part of the pressed side branches cut off the main stem and strengthens the management of fertilizer and water. Generally, the side branches can be flowered for about 15-20 days. Linyi Fertilizer Network Copyright
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