Alpine high yield cultivation techniques

First, the choice

Should choose to grow robust, strong resistance, high yield, not easy to blue, produce large and tender pods for the seedlings.

Second, the soil fertigation

Gill white long growth period, large amount of growth, requiring fertile soil. When preparing the soil, reinforce the field ridges first to facilitate water conservation. In winter, the planting of composted pigs, cows manure 2500-3000 kg/mu or chicken manure 1000 kg/mu, phosphate fertilizer 50kg/mu, zinc fertilizer 1.5kg/mu, quicklime 100-150kg/mu; spring planting additional 45% compounding Fertilizer 50kg/mu, cultivating and leveling, irrigation depth 2-3cm, to reach field flat, muddy, fat enough to meet the needs of growth and development of alfalfa.

Third, dig seedlings, seedlings

After confirming the species, after removing the seedlings, remove the field maggots, ash mound piers, and leave 10-20cm to cut off the old leaves on the upper part of the pods, dig up the old pods, and open them with a knife. The root with an old stem is 1 and the cornice should be straight, not skewed, and not budding, with the digging, with the points, with the planting.

Fourth, planting

The single-season alfalfa for alpine pods is mainly planted from October to November, and can also be planted before mid-March of the second year. The row width is 1.1m wide, the narrow row is 60cm, and the plant spacing is 40cm. In order to increase the pregnancies rate of the summerworms, double-season lice should be planted in late October to late November. The row width is 90cm, the narrow row is 60cm, the plant spacing is 50cm, and 0.18 thousand plants/mu are planted. The planting depth can be buried in the soil without white seedlings, seedlings, or seedlings.

V. Field Management

(1) Thinning seedlings and filling seedlings

When the seedling height is 15-20cm, sparse seedlings will be planted to eliminate dense and weak seedlings. Simultaneously, a mud will be pressed in the middle of the pier to make the tiller to grow evenly around the tiller to facilitate ventilation. Single-season pods have 7-10 shoots per pier, and double-season pods have 10-15 shoots per pier.

(II) Irrigation

Indole can not be cut off during the whole growth period, and the water level should be adjusted with different stages of growth. After the planting of white plants, the water depth in the field is maintained at 3-4cm over the winter; when the spring water begins to grow, the water level should be shallow, about 3cm, in order to facilitate the increase of the ground temperature and promote tree growth; and before and after the end of April, the field can be field-baked. After irrigation 10-15cm deep water control delivery. Pregnancy can be deepened to a water level of 20cm, but it should not be more than blinking. The weather is getting hotter during the summer and early pregnancy. The water must be changed frequently or the water is used for irrigation. This will help prolong the pregnancy. After the harvest, fall to a shallow water level of 3-4cm. The dormant period after the death of the above-ground parts is kept in shallow water of 1 cm. The deep water level will cause the septic tube to rot, affecting the germination of the following year.

(3) Dressing

It is advisable not to delay the application of high-grade alpine white dressing, so as to promote early-onset seedlings and early pregnancy. Combine water management to promote effective delivery in the early stages, control late delivery and promote pregnancy. The long-term growth period of C. oleifera has to be top-dressed in addition to the base fertilizer. For the first time, urea 10kg/mu and potassium chloride 15kg/mu can be topdressed at the time of budding; 45% compound fertilizer and 50kg/mu can be applied at the time of the second crop; the third double season can be used before the rainy season and the single season. Before the beginning of summer, wolfberry was applied with 45% compound fertilizer 30-50 kg/mu. In the process of harvesting in summer mulberry, it can be top-dressed according to the growth condition of seedlings. After summer harvest, 45% compound fertilizer 30-50 kg/mu can be applied to facilitate the growth of Qiu Jin.

(d) weeding in paddy fields

You can use the shovel to turn the soil between the rows of white plants to achieve the purpose of cultivating, loosing, and weeding, and to increase the soil temperature and accelerate the absorption and utilization of fertilizer. In general, Putian carries out 2-3 times, the first time when the plants begin to turn green, and once every 15 days.

(5) Clearing the mantle and ash

Male and female ash can not be scabbed and should be removed at any time. The removed vacant space can be filled with seedlings on the normal pods with more tillers.

(6) Stripping leaves and pulling yellow leaves

The removal of dead leaves and yellow leaves is to remove dead old leaves and increase the ventilation and light transmission conditions between the plants. Generally in the late summer harvest after harvest, according to the growth of the plant, the old dry leaves are stripped and cleared. The requirement is to pull the grass without pulling, and the yellow leaves pulled down into the field as fertilizer.

(VII) Pest control

The control of pest control should be based on prevention and supplemented by chemical control. While doing a good job in agricultural prevention and control, vigorously promote physical control and rational use of pharmaceuticals. The main pests and diseases include leaf spot disease, rust disease, planthoppers, and roundworms. Flax leaf spot: In the early onset of May, 50% acetaminophen suspension 600 times, or 20% tricyclazole 500 times spray. Rust: At the beginning of the disease, use 15% triadimefon WP 800-1000 times or 67% diuretic WP 200 times spray, spray once every 7-10 days, alternate medication, even prevent 2-3 times . Precautionary use caution. Fly scorpion: It can be sprayed with 10% imidacloprid wettable powder 1500 times spray. Locust: Sprayed with 5% Ruijin special suspension 1000 times.



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