Wheat interplanting watermelon is an effective measure to increase land utilization and increase income. It can be used in winter wheat areas with fertile soil and good watering conditions. In the winter wheat area with a long frost-free period in the south of Shide Road, between the rows of watermelons in the back of wheat, it can also be used as a sorghum, corn, millet and other high-stalk crops. . According to the planting experience of the farmers in Wuqiang County of Hebei Province and Laiyang County of Shandong Province, the plots of land in the middle and top grades were used. Implementation of wheat intercropping watermelon, generally can produce 300 kilograms of wheat, watermelon 3000-4000 kilograms, high-yield plots up to 5000 kilograms, the benefit is very significant. Before planting winter wheat, the interplanting plots were sorted into different specifications. The specifications and planting types were as follows:
1. Take 1.9 meters as a squat, with a width of 1.2 meters, plant 6 rows of wheat, grow 0.7 meters wide, and plant a line of watermelon. Daechi timely sowing 6 rows of winter wheat, the end of April to early May of the second year (in the 30-40 days before the wheat harvest, long frost-free period, can be appropriate late broadcast) nesting a row of watermelons in a small bowl, spacing 30-50 cm Planting 700-1000 plants/mu. In order to ensure that the melon seedlings are strong, the watermelons should be fertilized with 30 cm deep and wide grooves in small pots before sowing. The Mushi 600-1500 kg high quality farmyard manure and 20-25 kilograms of diammonium phosphate should be mixed with the soil and applied. In the ditch, water was then poured, and after the water was infiltrated, the small flat clams with a width of 40-50 cm were to be sowed.
2. Take 1.7 meters as a squat. The sorghum is 1.2-1.3 meters wide, plant 6-8 rows of wheat, grow 0.4-0.5 meters wide, and plant a line of watermelon. Daechi timely sowing 6-8 lines of winter wheat, the second year in mid-April, in Yangshuo with a paper tube nutrition breeding watermelon seedlings, in mid-May, with a scorpion moved into a small line of watermelon.
3, with 2.4 meters as a squat, wheat occupies 1.8 meters, planted 9 lines, watermelon squatting covers an area of ​​0.6 meters, planting a row. The wheat is sown at the right time, with 9 lines each. From the end of April to the beginning of May in the second year, a line of watermelon is planted in the midpoint of the watermelon reserve. Before the watermelon is sown, it should be ditched, fertilized and watered to ensure the seeds are sown. The number of acres of wheat should be maintained at more than 370,000 and the density of watermelon is about 700. According to the experience of planting in Zhaoxian County, Hebei Province, the area of ​​wheat is reduced by a quarter compared with the flat crop, but due to its good nutritional conditions, relatively more sideways, good ventilation and light transmission, the number of grains per spike and 1000-grain weight increase accordingly, and flat wheat and intercropping wheat The difference in yield per mu is 13.9 kilograms, while intercropping plots yield more than 2,800 kilograms of watermelon.
4. Take 1.2-1.3 meters as a squat. The width of the maggots is 0.67-0.7 meters. Six rows of wheat are planted, 0.5-0.55 meters in width, and 2 lines of watermelon are planted. Planting six rows of winter wheat in Dayi in due course. In the second and fourth months of April in the middle of Yangshuo, grow watermelon seedlings in a nutrient bowl. In the middle of May, two rows of watermelons were planted in the small row of wheat. When the watermelon vine grows about 60 centimeters, a frame of 1-1.2 meters high is strung between rows of watermelons, and the watermelon vines are tied to the rack for overhead cultivation.
Precautions: The medium-dwarf precocious species should be selected for wheat, and watermelons should be selected for high-yield, high-quality, disease-resistant mid-maturing varieties to minimize the symbiotic period of the melons. The symbiotic period during the symbiosis between wheat and melon is due to high temperatures, high rainfall, and vulnerability to pests and diseases. Watermelon is vulnerable to downy mildew, so care should be taken to prevent and control pests in time.
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