The pine cone herb is native to northern Canada and the United States. The introduction of planting in China has been for many years, and the planting effect is good. It is suitable for feeding pigs, cattle, sheep and rabbits.
First, characteristics
1. The output is high. The annual production of fresh grass per mu is more than 5,000 kg, and the annual output of fresh grass in the 2—3 years can reach 1.8---20,000 kg.
2, perennial. One planting can be used continuously for 10 years. Mice are cut 3 to 4 times a year.
3, rich in nutrition. Grassy protein content was 18-23%. And it is rich in 17 kinds of amino acids, a variety of vitamins and trace elements and non-promoting growth factor II, cultivation techniques of pine cone herb seeds are Samara, black-brown, watermelon sub-type, per mu seed 60--75 kg.
1, before sowing. Flatten the grass and apply enough base fertilizer. The seeds can be sowed every year from the third to the tenth of October. Seeds need to be soaked in 30-degree temperature for 12 hours before planting, then on-demand, and the depth should be about 1.5 CM. Usually 10 - 15 days of germination, early spring when the ground temperature is lower when transplanting seedlings, land to be covered with plastic film or hay, in order to increase the temperature to play a role in conservation.
2, transplanting. When the seedlings grow to three to four leaves, they can be transplanted. The transplanting density can be divided according to the purpose of use: seedlings, seedlings of 800-1000 seedlings/mu, and mowing grass for feedstuffs at 4000 seedlings. - 5000 plants/mu
3, field management: seedling growth is slow, timely watering weeds; growing period, the large amount of grass production, need to provide large water, big fertilizer, with a view to ensuring a higher yield of grass.
4, receive grass or harvest. More than two years of planting grass field, can harvest 3--4 years a year, mowing the grass at the base of 15--20CM, in order to facilitate growth, until after the 2--3 days, then top-dressing with water. The stalks of the pine cones are thick and thick, and the stalks in the growing period are crisp and juicy, golden flowers like sunflower florets, fresh leaves and leaves of swayed herbs or comminuted hay used to feed pigs, cattle, and sheep can replace part of the essence. The material has a significant effect on daily gain, which brings great economic benefits to animal husbandry. Its light rosin odor is more desirable for livestock and is worth promoting. One acre can feed 20 pigs, 10 cows, 100 sheep, 500 rabbits, 2,000 chickens, ducks, geese and 20,000 fish.
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