New extension mulberry gardens quick technical measures
The core of the establishment of the accelerated mulberry garden is to realize the lagging pattern of cultivating mulberry trees in the year, putting into operation in that year, achieving efficiency in the year, changing the cultivation in the past year, training in two years, and putting into production in three years. , Produce more leaves, produce good leaves, in order to raise more silkworms, raising silkworms, so the establishment of the new mulberry rapid establishment is the basic project of sericulture production, is the main purpose of achieving efficiency in advance.
I. Planting of the new mulberry garden
1. New extension mulberry gardens should be concentrated and connected to form a scale. This will not only facilitate technical guidance and management, but also reduce the pollution of farmland medicines to mulberry fields and ensure the safety of silkworms. The general contiguous area is preferably more than 50 acres. .
2. The land to be planted should be fertile, and it should be able to drain energy, so that the mulberry field can be harvested in good harvest.
3, mulberry varieties selection of high yield, high quality, strong resistance, adaptability of a wide range of new varieties of 711-1, its branches upright, large leaf, leaf thick, deep leaves, shiny, high yield.
4. When planting, it is necessary to dig deep and plant the plant and plant the ditch 1 foot deep and 1 foot wide.
5, Shizujifei, planting ditch 30 per mu per person or 40 gray ash manure.
6, planting time should be selected in the late autumn to pre-frozen to improve the survival rate of new mulberry.
7, planting density of 800-1000 per mu, is conducive to the formation of the new Mulberry Park high yield shelf.
8. After the new mulberry garden is planted, it should be righted, compacted, and drought-resistant.
Second, the tree cultivating the new mulberry garden
In mid-March, 20 centimeters from the ground, the low-lying plots are 30-40 centimeters from the ground, cut the seedlings to dry, and cultivate 3 branches. When the new shoot grows to 5 leaves and 1 core, 35 to 45 centimeters from the ground and 45 to 55 centimeters from the low ground are often picked up in time to pick up the core bifurcation. The new shoot that fails to pick up the core for the first time will be processed two weeks later. The second picking of the core bifurcation resulted in more than six robust saplings per sapling in the current year, and achieved the requirements for rapid garden development.
2. In the second year, one or more spring silkworms will be cultivated, and then enter the normal summer cutting management program. Through the second picking of the core, one year in advance to build a new high-yielding Mulberry Park shelf, to achieve thousands of Mu Sang million, in order to win high quality silkworm cocoon production lay a solid material basis.
Third, the new mulberry garden fertilizer management and pest control
1, timely fertilization, when the new shoots grow to 5 leaves and 1 core, the use of manure 5-10 tons per acre manure, dilute water to topdressing, to prevent burns roots, before and after core picking urea 20-25 pounds Kau Tang points This fertilizer is the key fertilizer that guarantees normal growth and speeds up pumping. Big water will be available by mid-July.
2. After the new mulberry garden is dry, it is necessary to prevent and control the harm of food bud pests, such as Morus beetles, beetles and so on.
3, enter the conventional management, timely weeding, loose soil, pest management.
4, re-fertilizer, so that the rapid construction of 200 kg per mu yield of mulberry Mulberry Park. In order to combine organic and inorganic fertilizers, organic fertilizers should be used as the main fertilizer. Organic fertilizer should account for more than 50% of the total fertilizer. Attention should be paid to the combination of nitrogen, phosphorus and potassium to prevent the application of partial nitrogen fertilizer. Puffiness results in high morbidity. The reasonable ratio of nitrogen, phosphorus and potassium is 10:4:5. The high-yielding mulberry field with a yield of 200 kilograms per mu produces about 55 kg of pure nitrogen per year, 20 kg of phosphorus, and 25 kg of potassium. Four to five times a year fertilization, including spring fertilizer accounted for 25%; summer and autumn fertilizer (2-3 times) accounted for 60%; winter fertilizer accounted for about 15%.
5, smooth drainage and irrigation system, a comprehensive clean-up of the three ditch, so that drought can be drowning can irrigation, to ensure the normal growth of mulberry.
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