Method for cultivating forage maize

The technology of a forage corn and a cultivation method is applied in the field of high-yield forage corn cultivation methods, which can solve the problem that the forage corn cannot be planted in multiple rounds, and achieve the effects of improving the overwintering rate, improving the land utilization rate, and exerting the potential of increasing production.

Inactive Publication Date: 2016-08-31
AGRI RESOURCE & ENVIRONMENT RES INST TIBET AUTONOMOUS REGION ACADEMY OF AGRI & ANIMAL HUSBANDRY
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  • Description
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Problems solved by technology

[0006] In view of the problems existing in the above-mentioned background technology, the object of the present invention is to provide a method for cultivating forage corn. The present invention solves the problem that forage corn cannot be planted in multiple rounds in Tibet.

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  • Method for cultivating forage maize

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Embodiment 1

[0014] Example 1: Variety selection: The planting varieties can be selected from the current domestic Mexican corn or the Yucao series varieties bred by Sichuan Agricultural University. Dry the seeds and soak them for 24 hours before sowing.

[0015] Preparation before sowing: It can be sown all year round in a high-efficiency solar greenhouse. Disinfect the soil in the greenhouse before sowing and plow and harrow it deeply. The plowing depth should be above 25cm. . Irrigate at any time during the whole growth period depending on the soil moisture.

[0016] Sowing method: The planting density is 4500-5000 plants per 667 square meters; in order to increase the soil temperature, the method of first covering the soil with plastic film and then sowing is artificially sown, with 2 seeds per hole, and the sowing depth is 3-4cm; the row spacing is 25-30cm, The distance between plants is 25cm.

[0017] Field management: Forage corn requires a lot of water, and it needs to be irrig...

Embodiment 2

[0024] Embodiment 2: Select the high-yield and high-quality forage corn variety——Yucao No. 3. Before sowing, ① carry out drying and soaking the seeds for 24 hours, carry out deep plowing and fine raking of the soil, apply 2000-3000 kilograms of decomposed organic fertilizers per mu as base fertilizer, and 40-300 kg of phosphate fertilizer. 50 kg, 20-25 kg of potash fertilizer; ② Adopt the method of covering first and then sowing. The planting density is 4500-5000 plants per 667 square meters; artificial hole sowing, 2 seeds per hole, the sowing depth is 3-4cm; the row spacing is 25-30cm, and the plant spacing is 25cm. Before sowing, water the bottom water and water 5-7 times during the whole growth period; ③ ventilate the greenhouse in time to prevent pests and diseases. Sow seeds in the greenhouse on April 3, 12-15 days later, the seedlings will emerge in mid-April, about 30-40 days later, they will enter the jointing stage in mid-to-late May, and 90-100 days later, they will...

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Abstract

The invention discloses a method for cultivating forage maize, and belongs to the technical field of highland forage maize cultivating. The method includes the following cultivating steps that at the time before seeding, seeds of forage maize are dried in the sun and soaked for 24 h before seeding, soil in a greenhouse is sterilized and subjected to deep ploughing and fine harrowing, the harrowing depth is 25 cm or above, 4,000 kg to 5,000 kg of thoroughly-decomposed organic fertilizers, 40 kg to 50 kg of phosphate fertilizers and 20 kg to 25 kg of potash fertilizers are applied per mu before ploughing, and land is irrigated with sufficient bottom water before seeding; in the seeding period, the seeds of forage maize are seeded in the mode that seeding is carried out after mulching film covering, two seeds are arranged in each hole, and the seeding depth is 3 cm to 4 cm; in the growth period, watering is carried out at any time according to the soil moisture content in the whole growth period, disease and pest damage is controlled in a conventional pesticide or biological control mode, the temperature in the greenhouse at noon is high, and the greenhouse is opened for ventilation and cooling when the air temperature in the greenhouse is 22 DEG C every day; in the cutting period, cutting is carried out for the first time when forage maize grows to be 60 cm or above in height, and then cutting is carried out every time plants grow to be 60 cm or above in height.

Description

technical field [0001] The invention belongs to the technical field of plateau forage corn cultivation, and particularly relates to a high-yield forage corn cultivation method suitable for plateau areas. Background technique [0002] Forage corn is an annual or perennial herbaceous plant. The plant is shaped like corn, with many tillers and erect stems. It is 2.5-4 meters high and 1.5-2 centimeters thick. Forage corn is a feed crop that likes temperature, humidity, and fertilizer, but it is not frost-tolerant. The optimum germination temperature is 15°C, the optimum growth temperature is 2°C-35°C, and it can withstand high temperatures of 40°C. When it drops to 10°C, it stops growing, and at 0°C, the plants wither and die, and grow well in areas with an annual rainfall of 800 mm. Forage corn has the characteristics of strong adaptability, simple cultivation techniques, high nutrition, and high yield. It can be sown in four seasons in southern my country and is suitable for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00
CPCA01G22/00
Inventor 金涛宋国英杨素涛彭君谭海运孙全平边巴卓玛群培达娃刘静
Owner AGRI RESOURCE & ENVIRONMENT RES INST TIBET AUTONOMOUS REGION ACADEMY OF AGRI & ANIMAL HUSBANDRY
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