Potato growing technology in shandong
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HyperlInk\l " toc25600002" , cut the clot. Twenty days before the seeding began in early march. Potato 1
HyperlInk\l " toc25600003" iv, seeding and seed management. When you're clear, 20 days after planting, you'll have a baby
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Potato growing technology in shandong
I. Cut-block seed. Twenty days before the seeding began in early march. Potatoes
At least one luminous eye for each of the slices. 10-15 bucks per pound. When you're done cutting, use the ash
Dry mixing or polybacterial powder 1:200 times the water impregnation is sterile. After we're drying the stub
There are two ways to start the seedlings: sand in the corner of the house at 15°c or above
A sprout, with a layer of sand sown; and a layer of sand sprout, with pit sprouting in the east and west direction of the outdoor ventilating sun, about 25 cm deep, with a layer of sand sprouts on a layer of sand, with an appropriate level of 3 floors, which is then covered with an archer's sheet covering, and at night, with straw curtains. These two methods were sprayed one or two times during the sprouts
Prevention of drying. Sowing begins when the bud grows to ~cm。
Ii. Discrepancies. In the event of a lack of affection, consideration should be given to the use of a gutter for the next 7 to 10 days. Potatoes are usually planted in trenches
50 cm in rows and 40 cm in rows in ditches。
Iii. Spreading the lid. In particular, when spring is at its best, it should be mentioned that detoxification potatoes can be broadcast early, before the spring break is finished, and the distance can be controlled at 20 cm. Before seeding
Sprayed with 110,000 times more octanic acid to prevent underground pests. Organic fertilizer is direct
It's either in a ditch or in the ground as a whole; chemical fertilizer can be passed into a ditch or between seed blocks (note no)
Direct contact with saps. There are two ways to plant a piece in a ditch: one is a piece
The seed is down, the roots of the potatoes grow strong, the potatoes are small but large, but they are 2-3 days late; the other method is to grow up, which produces relatively short potato roots, small but large potatoes, and seedlings two to three days early. When the next plant is finished, the earth will be taken from both sides of the row to empty the potato ditch and the row
It's so flat, it's so tight。
Iv. Feeding and seeding management. After dawn, 20 days after planting, there's a seedling
The soil, at which point the microfilms can be washed out to prevent evaporation. To grow to 10 centimeters
When high, the membranes around the seedlings are compacted with soil to protect the water against the grass. It's not right for potatoes to grow in the early stages
Water it, wait till you see the flowers. If the rain is dry, water can be poured every 10 days, usually twice or three times the water can mature and is stopped 10 days before the harvest. Aphids or parrots, etc
Pests。
V. Rational fertilization. Potato fertilizers, which are suitable for 4,000-5,000 pounds per square metre, are combined with nitrogen, phosphorus and potassium for appropriate fertilizer application. Potatoes require high amounts of potassium, with scientifically sound rates of nitrogen, phosphorus and potassium fertilizer: 1. Potatoes like to absorb ammonium nitrogen, and more sour. According to the experiment, each additional kilogram of potassium sulphate fat is capable of producing 100 to 150 kg of potatoes。
1. Deep cropland: the pine soil contributes to the expansion of the chips, preferably by applying manure to the plots before the winter, so that they can grow as mechanically as possible。
2. Multi-fertilization: potato production is long-term short and production potential is high. In addition to extra manure, fertilizer should be applied in the ditch when opening a ditch, and acres should be applied 50-100 kg of complex fertilisation of three dollars and 30-50 kg of potassium sulphate. Following seedlings, 50-100 kg/acre or 30-40 kg urea。
3. Early seeding: the soil is thawed as early as possible after the soil is frozen in the spring, water is poured into the water and the seeds are planted before and after the festival. One or two days before the play, the block is cut and weighs around half. On-demand, eyes up, so as to yield seed。
4- thick ground: the length of the ditch is about 10 cm at the distance required to sow it in order to ensure soil thickness and prevent the greening of the chips. It can be grown on a single scale, and it can be grown on a one-time basis with no less than 12 centimetres. Spraying of ethyl alachlor or field-based weeds prior to laceration。
5. No shortage of water: to ensure that the seed is soaked in front of the air. Water is not available for the entire reproductive period after seeding, but care is taken not to overwhelm water. The stoppage of water prior to the recovery has contributed to the acreage of the potatoes and has improved the quality of the goods。
6. Small troughs: according to market surveys, the price of large potatoes is high, so it is recommended to increase the rate. (b) the average single-line planting line is 60-70 cm and the range is 20-25 cm; double-cropping of large lines of 60-70 cm, small lines of 20 cm, 30-35 cm, 4000-450 per acre (1 seedling per den)
7. Timeliness control: plants are growing well and can spray 30 grams/acre before flowering。
Deworming: 3-4 bottles/acres of thion at seeding or in front of potatoes, and treatment of underground pests; in early may, 30 grams/acre of aphids were sprayed to combat aphids; microbicides such as macecal acid sprays prevented the occurrence of late disease。
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