1 variety selection

Choose the varieties that are resistant to low temperature, oligoluminous, strong disease resistance, excellent quality, high yield, good commercial quality, and storage and transportation. The watermelons are selected from Silicon Valley Xinkang, Xiyan No.5, Heimi No.5, and Jindi No.2, etc. Melon chose Tai Nong No. 2, Yin Di No. 3, and Early Health Snow Dense; tomato selected Shanghai 903, American Red Sword, Strider and others.

2 pass and seasonal arrangement

Summer melons are planted from late August to early September, planted from late September to early October, harvested from late December to January, and harvested at the latest by the beginning of February, to meet the New Year’s and Spring Festival markets; and the tomatoes are in mid-October. In mid-November, seedlings were planted between melons in mid-late and mid-December, and harvested from mid-to-late February to mid-June.

3 Breeding strong seedlings

3.1 Preparation of nutrients Tuzi melon and tomato are all contaminated with 3 to 5 years of seedlings that have been planted with the same crop of vegetables. It is advisable to take the topsoil from wheat, beans, or onions and garlic, and fully decompose the organic fertilizer. After sieving, the western sweet melons were mixed and mixed by the volume ratio of 1:5 of feces, and 55% of dexcone wettable powder 0.25 kg/m3 and 10% of phoxim granules 0.50 kg/m3 were added; the ratio of tomato to soil was 1:3 ~ 5 mixed dosing, add 1kg of ammonium dihydrogen phosphate and potassium sulfate per cubic meter of bed soil, apply 50% carbendazim 0.10kg mixed with soil, and cover the film, use it after 10~15d.

3.2 Making seedbeds The selection of western sweet melons is based on geographical openness, sufficient light, high dry terrain, convenient irrigation and drainage, and convenient transportation. Tomatoes are selected by the pool in a greenhouse with good heat preservation and sufficient light. According to the north and south to establish a seedbed, bed width of 250 ~ 300cm, around the height of 20cm, length and width can be determined flexibly, leveling and compaction of the bed, using a 10cm nutrient bowl, filled with nutrient soil, evenly placed on the bed.

3.3 Seed soaking and germination After exposing the seeds to sunlight for 1 day, the melon seeds are first soaked with 50% carbendazim WP 600 times, washed with water after 15 minutes, and then soaked in warm water of 28~30°C for 6 hours, then drained and drained. Wet layered with clean wet gauze, placed at 28 ~ 30 °C temperature under the conditions of germination, after 24h, until 60% ~ 80% when the seeds exposed white; tomato seeds kept warm with 55 °C soak 15min, then use 10% phosphoric acid Trisodium solution is soaked for 20 min, washed out, soaked with water for 6-8 h, washed out, placed in a temperature of 25°C, germinated, washed with warm water for 1 to 2 times a day, and exposed to 50% of the seeds after 2 to 3 days. sowing.

3.4 Timely sowing 1d before sowing or on the morning of the day, the seedbed will be irrigated and soaked with water. Each melon of the melon seed has 1 bud type, the seed is flat or the bud is slightly lower, and is pressed into the soil gently with the finger; the tomato is sprinkled with 1 layer of nutrient soil before the sowing, and 3 to 5 buds of the bud are planted in each hole. On the cover 1cm thick nutritious soil and fine sand, the bed surface covered with plastic film, West melons must buckle film.

3.5 Seed Management West melon seeds before the emergence of the ground temperature 28 ~ 30 °C, 15 ~ 18 °C at night, generally 3 ~ 5d after the emergence of seedlings, 50% of seedlings uncovered when the film removed, appropriate lighting and ventilation to reduce the temperature and humidity, to avoid burning seedlings or leggy After emergence, the temperature is 25°C during the day and 14°C to 16°C during the night. The daily temperature after breaking the heart is 25-28°C and 15-16°C at night. Tomato sowing until Qimiao daytime temperature 25 ~ 30 °C, night temperature 15 ~ 18 °C, Qi Miao to 1 week before planting temperature 20 ~ 25 °C, night temperature 10 ~ 16 °C, 5 ~ 7d pre-planting hardening seedlings, daily temperature 15 ~ 20 °C, night temperature 8 ~ 10 °C, according to this ventilation and temperature control, planting water control before the seedlings 10d.

4 Site ridging and colonization

4.1 Selection of land Sun muskmelon selection of fertile soil, high organic matter content, loose air permeability, high dry terrain, 3 ~ 5a not planted melons and solanaceous Fruit greenhouses, hot summer farmland after turning the sun twice after throwing lime Turn over the membrane and use solar energy for disinfection. To plant tomatoes, just clean the fields.

4.2 Fertilization Mushrooms, West melons Intercropping tomatoes should be re-applied with organic fertilizer as base fertilizer, fully decomposed organic fertilizer 180m3/hm2, combined application of 55% Dukesson wettable powder 22.50kg/hm2 and 10% phoxim granules 22.50kg /hm2, mix the manure with the manure and then apply the film on the surface, use the hot and high temperature stuffy shed in the summer rest period so that the room temperature reaches above 60°C, and the land temperature of the cultivation layer 10～15cm is about 50°C for 10-15 days. can.

4.3 Soil preparation for ridge West sweet melon potassium sulfate 600kg/hm2, urea 225kg/hm2, diammonium phosphate 600kg/hm2 or superphosphate, oil residue 2250kg/hm2 as the base fertilizer, deep turn 30 ~ 40cm, leveling, according to Tong畦 Width 80～90cm, groove width 40～50cm ridging, adding surface width 75～85cm, groove width 45～55cm, pond ridge height 20cm, ridge upper and lower sides rise to 8cm and 25cm wide ridges, Ridge height 25cm, 3 to 5 days before planting along the ditch water, bogey flooded pond, bogey percolate, water infiltration after shoveling flat ridge, covering the 70cm or 140cm wide plastic film, stretch tightly compacted mulch. Tomatoes and melons share the same membrane.

4.4 Reasonable colonization West melon planted on a sunny afternoon or cloudy day. Each row was lined with "D" shaped excavation and planting points. The distance between the watermelon plants was 45-55cm and the melon plant spacing was 40-50cm. The tomato plant spacing was determined by the density of the melons. When planting seedlings, add 0.50 kg of clear water mixture mixed with root-strengthening agent and 0.50 kg of 50% carbendazim WP or special weight-reducing agent with 500 times solution, and put it into the seedling after watering. The raft is level with the ridge surface, then the soil is pressed over the membrane and the hole is sealed.

5 Field Management

5.1 Temperature and light management Western melon generally does not release air at moderate seedling stage, or moderate late release, light intensity is strong at noon, and shade is covered when the temperature is too high. Ventilation and cooling are used in early stage to prevent disease and prevent disease. When the greenhouse temperature rises to When the temperature starts to rise at 30°C, the ventilation is turned off when the temperature drops to 25°C, and the night temperature is maintained at 13 to 18°C. Tolerate or reduce the release of tomato seedlings, and shade temperature control, during the day 25 ~ 28 °C, the night is not less than 15 °C; after the seedlings by ventilation and temperature control, flowering fruit set during the day 20 ~ 25 °C, the night is not lower 10°C; Resulting period: 22°C to 26°C during daytime and 13°C or higher at night, while maintaining the cleanliness of the lighting surface, and increasing the brightness of the reflective film.

5.2 Water Management After planting, the melon should be soothed with water after transplanting. The water is generally not irrigated during the vine extension period, watered when the soil is dry, and water is not applied during the pollination period. Secondary water, each irrigation can not be too full, it is forbidden to submerge the ridge; if you can use the submerged irrigation drip irrigation better, according to a small amount of multiple drip irrigation every 50m3/hm2. After the watermelon is set, the irrigation is stopped, and after the watermelon is set, the irrigation is controlled. After the tomato is planted, the seedling water is poured in a timely manner, and the seedling water is poured after 3 to 6 days. The first fruit is swelled until the size of the walnut is filled with the first water, and then the water is appropriately irrigated when the heads of the second, third and fourth crops are enlarged according to the growing condition. .

5.3 topdressing management West melons in the pods during the sunning season, in the expansion of the irrigation period with the irrigation fertilizer, applied compound fertilizer 450kg/hm2 or urea and compound fertilizer each 225kg/hm2, zinc and potassium fertilizer 300kg/hm2. Tomatoes in the melons began to pull pupa to clear pupa, clean stubborn leaves, a small amount of organic fertilizer applied in the ditch, after the combination of irrigation in the slow seedlings and each layer of fruit when the application of phosphorus diammonium 225kg/hm2, urea 225kg/hm2, potassium sulfate compound fertilizer 150kg/hm2.

5.4 whole vines on the watermelon with double vine pruning, that is, select the main vines hanging up, in the 10th to 16th section at the 2nd and 3rd female flowers to stay melon, and in the main vine base to stay a robust side vines natural growth; melon with a single vine Pruning, that is, leaving only one main vine to grow up, in the eighth to thirteenth place to stay 2,3 ranch pollination, sitting in the melon spread one to two leaves after the head. Extend the vine until the squashing period, at any time condolence snoring, removal of diseased flowers and diseased old leaves and tendrils to ensure ventilation and light transmission, artificial labeling pollination at flowering time, selection of shaped cucurbits, leaving only 1 melon per plant; when the fruit quickly expands The main vine grows over the top of the roof, and the vine spreads its head and picks it up to the main and side vines in time. Tomato with a single pole pruning, the early flowering time to hang vines, large fruit varieties per panicle inflorescence to stay 4 to 5 fruit, the middle fruit type per panicle inflorescence to stay 5 to 6 fruit, available tomato Ling 25 ~ 50mg/kg liquid The red coloring agent is applied on the flowering stalk to promote fruit setting. After the first ear fruit is green, all the lower leaves are removed and the old leaves are removed timely.

6 Picking and Listing

Harvest period should be based on the characteristics of species, transport distance, storage conditions. General autumn and winter Daisy melons sit melons, watermelons matured after 60 ~ 75d, melons matured by 65 ~ 80d, the nearest market to pick 90% of the cooked melons, long-distance transport or storage of eight to nine mature melon, harvest time to stay 5cm melon Di. After the harvest, the natural heat is dissipated first, and then the containers are packed in different grades. Each box is divided into 2 to 4 melons in 2 layers, 3 to 6 stacked melon boxes, and the storage temperature is 4 to 6°C, and the ventilation is maintained. Tomato from the flowering to mature need to be 50 ~ 70d, the remote transportation and marketing of the first red fruit, near the market to pick the red fruit of the tomato.

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