Maize intercropping cucumber is based on the increase of corn yield, adding a season of summer and autumn cucumber to meet the market supply of vegetables in the off-season, achieving high yield and high efficiency.
First, planting specifications before wheat harvest (around May 30), intercropping corn between wheat rows, corn small spacing 50-60 cm, large row spacing 140 cm, plant spacing 20-25 cm, planting about 3000 acres. After the wheat harvest, around June 20, the large corn in the line will take two rows of small ridges, planting 2 rows of cucumbers, cucumber row spacing 40-45 cm, plant spacing 25-27 cm, planting 2500 plants per mu.
Second, the variety of corn selection should use a large variety of spikes and large varieties, a single species with high yield potential - Danyu No. 13. For cucumber, according to the climate characteristics of summer and autumn, choose Xiafeng No. 1 which is adaptable, resistant to disease, heat and sputum.
Third, planting on the ground
Cucumber roots are weak, and more organic fertilizers such as composted compost and compost should be applied. In general, 2,500 kg of soil and fertilizer, and 10 kg of diammonium phosphate. It is cultivated with high ridges, with a ridge height of 10 to 12 cm and a furrow width of 20 cm.
Seeding was broadcast live in the open field. In order to make the cucumber emerge quickly, soak the seeds for 3 to 4 hours before sowing. After the fish is slightly dried, it can be sown. When planting, first plant the ditch on the ridge surface, water the ditch, and wait for the water to seep. Place the seeds on the ditch on 25 cm, place 2 to 3 pieces per pier, then seal the ditch and flatten, then water the ditch to keep the soil moist.
Fourth, seedling management
When the first true leaf of cucumber is revealed, it is necessary to have a seedling and a strong seedling per pier. When the two leaves are one heart, combined with spraying anti-disease drugs (chlorocrine, cytotoxic, etc.) plus 0.3% to 0.5% of urea, the seedlings grow vigorously. If the bottom fertilizer is insufficient, the plant grows slowly. When it is 3 to 4 leaves, it can be applied once a quick-acting nitrogen fertilizer, 4 kg of urea per acre, chasing after watering, and timely cultivating loose soil. When the first female flower of cucumber is opened, the watering is strictly controlled to prevent the stems and leaves from growing and affecting the sitting. When the cucumber grows to topdress.
The melon period is in the high temperature season. The watering should be carried out in the morning or in the evening. Do not water the water at noon, usually every 2 to 3 days. After the thunderstorm, it is necessary to use the well water to flush and cool down. After heavy rain, it is necessary to clear the drainage channels in time to prevent water from accumulating in the fields. Summer and autumn cucumber topdressing should adopt the method of less application and diligence. Generally, every 2 to 3 times of catching the fertilizer, every 3 mu of urea is applied or the decomposed manure is applied.
Sixth, disease prevention
Summer and autumn cucumbers are in high temperature and humid climate, and are prone to various diseases. Therefore, it is necessary to do preventive work (especially during the rainy season). Cucumber is sprayed with chlorothalonil, carbendazim, and toxic mycelium from the seed to the harvest. The concentration at the seedling stage is small, and the concentration is large at the later stage.
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