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Method for rotation of alfalfa and awnless brome

A technology of brome and alfalfa, applied in the fields of botanical equipment and methods, horticulture, application, etc., can solve the problems of unreasonable use of land, continuous planting of grassland, low land utilization rate, etc., and reduce artificial and chemical fertilizers. The effect of increasing the input, land utilization rate and yield per mu, and reducing fertilizer input

Active Publication Date: 2014-08-06
INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, alfalfa is mainly used as protein forage in planting. Planting for many years can improve soil fertility. However, alfalfa has self-toxicity, and the grassland planted with alfalfa cannot be planted continuously. low, poor economic efficiency

Method used

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Examples

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Effect test

Embodiment 1

[0037] The crop rotation method of alfalfa and awnless brome comprises the following steps: after the awnless brome is planted for 5 to 6 years, the alfalfa is overturned and planted for 5 to 6 years, and then the awnless brome is overturned and planted again, and the crop rotation is repeated. Except the following crop rotation method of the present invention, the planting method of all the other alfalfa and awnless brome is the same as the planting method of conventional alfalfa and awnless brome.

[0038] The crop rotation method of the alfalfa and the brome without awns specifically comprises the following steps:

[0039] Ⅰ) Pressing and planting of awnless brome and planting alfalfa: 5 to 6 years after planting of awnless brome and planting alfalfa for 5 to 6 years, the specific method is as follows:

[0040] (Ⅰ-a) Tillage: When cropping with alfalfa, turn over the awnless brome in mid-September, first mow the aboveground part, so that the awnless brome stubble is 10-15cm...

Embodiment 2

[0058] The crop rotation method of alfalfa and awnless brome comprises the following steps: after the awnless brome is planted for 5 to 6 years, the alfalfa is overturned and planted for 5 to 6 years, and then the awnless brome is overturned and planted again, and the crop rotation is repeated. Except the following crop rotation method of the present invention, the planting method of all the other alfalfa and awnless brome is the same as the planting method of conventional alfalfa and awnless brome.

[0059] The crop rotation method of the alfalfa and the brome without awns specifically comprises the following steps:

[0060] Ⅰ) Pressing and planting of awnless brome and planting alfalfa: 5 to 6 years after planting of awnless brome and planting alfalfa for 5 to 6 years, the specific method is as follows:

[0061] (Ⅰ-a) Tilling: When cropping with alfalfa, turn over the awnless brome at the end of September, and cut the aboveground part first, so that the stubble of awnless br...

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Abstract

The invention relates to the technical field of agricultural planting, and particularly relates to a method for rotation of alfalfa and awnless brome. The method for rotation of alfalfa and awnless brome comprises the following steps: turning over and planting alfalfa for 5-6 years after planting the awnless brome for 5-6 years, and then turning over and planting the awnless brome, and carrying out crop rotation repeatedly. The method has the beneficial effects that the yield and the soil fertility of high-quality forage per unit area are improved in a crop rotation manner, the physical and chemical properties of soil are improved, nitrogen in atmosphere also can be fixed by root nodules of alfalfa, and the soil fertility is improved. Thus, the fertilizing amount can be correspondingly reduced, investment in manpower and chemical fertilizer is reduced, the investment in fertilizer in the next round of awnless brome planting process also can be reduced, the yield of the awnless brome is increased, the land utilization rate and the acre yield are further improved, and the economic benefits are increased.

Description

(1) Technical field [0001] The invention relates to the technical field of agricultural planting, in particular to a method for crop rotation of alfalfa and brome without awn. (2) Background technology [0002] Alfalfa (Medicago sativa) is a perennial herb of the genus Alfalfa in the legume family, known as the "King of Herbs". Alfalfa has strong stress resistance, wide distribution, large cultivation area, high yield, good quality, good palatability and high economic value. Alfalfa likes warm, semi-dry, semi-humid climate conditions and dry, loose, well-drained and high-calcium soil. The annual precipitation in the planting area is 600mm-800mm is the most suitable. Alfalfa does not have strict requirements on the soil, and it can grow except for the soil that is too sticky, the extremely poor sandy soil, or the soil that is too acidic or too alkaline. With the continuous deepening of my country's grassland ecological restoration and environmental protection, and the conti...

Claims

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Application Information

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IPC IPC(8): A01G1/00
Inventor 徐丽君
Owner INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI
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