No-tillage and low-tillage cultivation of potato in winter
First, avoid less ploughing land treatment
The main results are as follows: 1. No-tillage and no-tillage cultivation of potato should be carried out in sandy loam with convenient drainage and irrigation, loose soil, PH 5.5 / 6, water and fertilizer conservation, especially suitable for sandy loam paddy field with good irrigation and drainage conditions in winter in our city. Prone to drought and water shortage fields and shallow thin fields, sticky heavy fields, low-lying fields, mountain pit fields, cold soaked fields, rotten fields
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Cultivation techniques of Winter Potato
In variety selection, virus-free potato varieties Zihua 851 and Kexin 3 with high yield, wide adaptability and good commodity were selected. Seed potato is generally prepared to choose 25 to 30 grams of small seed potato for sowing. Seed potato germination was carried out 20 days before sowing. The intact seed potato was soaked in 10 mg / kg gibberellin solution for 15 minutes, and then germinated in wet sand. Pay attention to keep the sand moist to prevent stagnant water. Slicing seed potatoes should ensure that each cut has more than one robust bud, and then sprout with plant ash dipped in the incision. When the bud is 1 cm long, the bud base appears.
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Key points of High-yield cultivation of Winter Potato
First, land selection and land preparation. Winter potato should choose sandy loam with convenient transportation, deep surface layer, good drainage and ventilation, rich in organic matter, sufficient water source, convenient drainage and irrigation, slightly acidic, and formerly used as rice. Soil preparation should be deep ploughing fine rake to ensure that the loose soil layer is more than 8 inches; ridging for border, double-row planting ridge surface width 2.5m2, trench width 7Mel 8 inch, require fine pieces of soil, ridge surface and trench bottom straight. Second, seed potato treatment and slicing. After buying back the seed potatoes, get rid of the diseased, rotten and miscellaneous potatoes, spread out the good seed potatoes and spray them with 200 times formalin or 600 times Dakota.
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