String herb

String pine herb is also known as French champagne grass and chrysanthemum grass. Introduced into China in 1979, it is currently cultivated and is most suitable for silage or hay drying.

First, the morphological characteristics

The herb is a perennial herb. The roots were thick and stout. The stems were square or prismatic, 2-3 meters high, and the leaves were dark green, 38 cm long and 30 cm wide. The flowers were yellow, the seeds were flat, brown, and the grain weight was 23.3 g.

Second, biological characteristics

The pine cone vanilla prefers a warm and humid climate, but it also shows drought-resistant, cold-resistant, disease-resistant, grass-returning, late-on-yellow, fast-growing, and resistance to cuttage. It can be used for 10-15 years under artificial cultivation conditions. , General mu production 7-12 tons.

Third, cultivation techniques

Can be planted in spring and summer, can be drilled, but also sowing, plant spacing 4050 cm, covering soil 2-3 cm, seeds per acre 0.15-0.2 kg. In the year of sowing, only lotus leafy clumps were formed, and in the second year, stems could be extracted and flowered.

Fourth, use

General plant height 50-60 cm can be castrated to use, leaving 10-15 cm. The pine cone herb has high nutritional value, crude protein content of about 22%, per kilogram of fresh grass contains 33.2 grams of digestible protein, carotene 4.25 grams, close to legumes, high value of use. Can be fed green, silage, beating, processing grass powder and granules. The fresh grass contains rosin, diterpenoids and other substances, feeding cattle and sheep without hindrance, feeding rabbits can not exceed 5% of the diet. Because the fresh grass contains pine odor, it is fed in abruptly. Livestock and poultry may refuse to eat. They should be chopped or beaten and gradually increased. Generally, they can be adapted within 5-7 days.

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