Method for improving effective utilization of woodland in tussah silkworm field

Fengcheng City's largest tussah production base and silk industrial base, an area of ​​1.5 million mu of silkworm land, 17,000 feeding tussahs, 10,000 tons of tussah silkworms annually, 200 million yuan of direct income from silkworms, and an industry-wide total output value of 500 million yuan. the above. Sericulture has an average household income of nearly 15,000 yuan. In 21 years, the township has kept tussah. The production of tussah is the pillar industry in rural areas in Fengcheng, and is the main source of economic income for farmers. The sericulture industry in Fengcheng City has a history of 300 years. For a long time, due to the problems of the rural silkworm property rights system and people's failure to fully understand the economic laws of the mountains, the silkworm resources on which they depend have not been strictly managed and operated scientifically and rationally. Heavy silkworm rearing, light construction, and request and non-investment have led to water and soil erosion in the silkworm field, and some silkworm fields have undergone degeneration and desertification, affecting the ecological and social benefits of the silkworm field. In 2008, the country introduced a new rural policy, and all the collectively owned silkworm farms were designated as individuals and remained unchanged for 60 years. Therefore, after the reform of the new silkworm property rights system, silkworm farmers are eager to pursue the greatest economic benefits in terms of minimum labor and minimal material consumption. However, Sericulture farmers are overwhelmed and cannot start. Through years of practice, I have replanted encrypted silkworm eucalyptus trees, which is a way to increase the effective utilization rate of woodland in the tussah field. In Fengcheng, there are twice as many mu crops in the first, second and third types of tussah silkworm farms, and the rate of plant deficiencies is more than 20%. 70% of the larvae can be planted with eucalyptus. If this method can be implemented, Fengcheng City can increase eucalyptus. An area of ​​240,000 mu, an annual increase of more than 20 million sericulture benefits.

First, technical points

(I) Selection

1、Selection: Paralysis

2. Collection time: September 20

3, insecticide: water soak for 7 days

4、Protection: indoor bag hundred pounds, buried sand around, thickness 50 cm

(B) Nursery:

1, time: sowing on April 20

2. Ridge sowing: 25 cm ridge width, 70 grains per meter, 3 cm soil cover

3, top dressing: June 20, 25 kg of urea urea

4. The seedlings will begin on April 25 of the following year

(c) Replanting

Cave planting: 30 centimeters long, wide and deep, each one in four corners, put into the pit, extend the root, fill half of the soil, lift the seedlings slightly upwards, fill in the soil to the rhizomes, and then fill in the soil. The survival rate is above 95%.

Hole 2 meters 2 meters

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