Spring corn intercropping with autumn cucumber, when the temperature is high in the early period, the corn can cool the shade of the cucumber seedlings, and the corn stalks play the role of the pole post in the later period, saving manpower, material resources, and reducing production costs. Winter wheat producing areas can also be intercropped and interplanted with wheat, corn, and cucumber to achieve more than one year of ripening. 1. Planting methods (1) Before sowing wheat in the autumn, the whole plant shall be sorghum with a width of 1.6 meters, with a width of 1 meter, six rows of wheat, and a width of 60 centimeters. The base fertilizer shall be applied at the end of April to the beginning of May of the following year. The two rows of early-maturing corn were planted on the back, with a spacing of 50 cm and a spacing of 20 cm, and about 4000 plants per acre. After the wheat was harvested, a ditch was opened on both sides of the wheat aphid in mid-July, sufficient base fertilizer and chemical fertilizer were applied, and 2 rows of cucumber were planted on a flat surface with 13-15 cm spacing. In early September, when cucumbers bloomed, the corn was already ripe. After the corn was harvested, the corn leaves were removed and only the corn stalks were left. The two rows of corn stalks were tied into a cucumber rack and the cucumbers were allowed to grow along the corn stalks. (2) The spring corn is sown around April 10th. Daxing is 1.4-1.6 meters long. The small line is about 20 centimeters long. The spacing is 15-20 centimeters and the seedlings are reserved. Cucumbers were sown or transplanted in two rows of corn in the middle of June to the beginning of July, with a spacing of 50 to 70 cm, a 15 to 20 cm spacing, and planting at an angle. The mature corn leaves straw as a cucumber vine support. 2, cultivation techniques (1) choose the right variety. Maize uses precocious compact varieties such as Lu Yuandan No. 4 and Yandan No. 15. No.12, No.7 and Jingzao No.7, cucumbers were selected for resistance to disease, heat, shade, and melon. Such as Jinyan No.7, etc., do not use cold resistant early-maturing spring cucumber varieties. (2) Strengthen fertilizer and water management. In the early stage of corn growth, 20 kg of standard nitrogen fertilizer is topdressed, and soil is watered after dressing. After sitting cucumber root cucumber, according to the growth of cucumber combined with watering flexible top dressing. Topdressing can be alternately applied with fertilizer and human waste to improve plant nutrition status. Generally, each application of urea or ammonium sulfate 15 ~ 25 kg per mu, human waste is about 1500 kg, a total of 3 to 4 times. The management of fertilizer and water in middle and late corn can be combined with cucumber. (3) spray medicine to prevent disease. During the growth of cucumber, downy mildew, powdery mildew and other diseases are heavier. It is necessary to seize the opportunity to alternately spray and control with several fungicides at the early stage of disease. (4) Strengthen bottom ventilation. In the middle and late stages of corn growth, the old leaves of the corn base were promptly removed, shading was reduced, and corn last straw was used to make full use of the corn.
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