A kind of planting method of alfalfa grass controlled by light and fertilizer in high latitude cold area

Abstract

The invention relates to the technical field of the artificial grassland planting, and particularly relates to a light and soil fertility control planting method for alfalfa in a high-latitude cold region. The planting method comprises the steps of: selecting alfalfa seeds, selecting land and preparing soil, seeding, deploying and controlling light quality plates, field management, harvesting andremoving stubbles, wherein the step of deploying and controlling light quality plates is as follows: deploying and controlling the light quality plates through which only red light and blue light penetrate above an alfalfa field before the first harvest of the alfalfa turns green; the step of field management is as follows: weeding, fertilizing and irrigating; the step of fertilizing is as follows: applying diammonium phosphate after the first harvest of the alfalfa is harvested; applying the diammonium phosphate after the second harvest of the alfalfa is harvested, and applying potassium oxide; and spraying a zinc fertilizer on the leaf surface in 10-11 days after the first harvest of the alfalfa turns green, and spraying the zinc fertilizer on the leaf surface in 10-11 days after the second harvest of the alfalfa turns green. Through the application of the method, the yield of two harvests of the alfalfa is improved by 24% compared with a conventional method. The technology is applied in the high-latitude cold region, so the income of planting the alfalfa can be improved, and a problem that the yield of the alfalfa in the high-latitude cold region is not enough is solved.

Description

technical field [0001] The invention relates to the technical field of artificial grassland planting, in particular to a method for planting alfalfa grass light and fertilizer controlled in high-latitude cold regions. Background technique [0002] The continuous and rapid development of China's animal husbandry industry has formed the largest breeding system in the world. Coupled with the forage demand of the original livestock, it constitutes a huge domestic demand market for grass products. China's dairy cows, beef cattle and mutton sheep have an annual demand for grass products of about 30 million tons. The proportion of grass powder added to the compound feed of pigs and chickens is 4% to 5%. The annual demand for grass powder exceeds 2.5 million tons. Ostrich, deer The demand for grass products for special animal breeding and aquaculture is more than 100,000 tons. In addition, in pastoral areas, due to grassland degradation, desertification, salinization, reduced grass...

AI Technical Summary

Problems solved by technology

Alfalfa is the king of forage grass, but there are still many problems in the cultivation of alpine areas that limit the cultivation and production of large areas

Low yield, difficulty in overwintering, late spring cold, wind and sand erosion all restrict the planting and production of alfalfa in high latitude cold regions

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