Six coups to increase potato yield
The first step: go to the tail bud
It has been proved by practice that after the tail buds of the potato are grown, the yield is only 1/3 of that of the top bud or the side bud. Therefore, the tail bud should not be disposed of when cutting the seed.
The second step: high ridge cultivation
High ridge cultivation on both sides of the soil can increase soil loosening in the rhizomes of the living soil layer, which is conducive to the extension of the stolon, and can increase the ground temperature to meet the temperature required for early root development.
The third step: soil testing and formula fertilization
Potatoes need a lot of nutrients throughout the growth and development period. In areas where soil is poor and nutrient content is low, soil testing and formula fertilization must be carried out to meet the demand for N, P, K and trace elements in crop growth and development, especially in tuber expansion. Can greatly increase production.
Step 4: Crossing the flower and capping
The tuber of potato does not need to be pollinated, but the flowering of the bud requires a lot of nutrients. In order to obtain high yield, it is necessary to cut the top of the flower to save nutrients and promote the growth of the tuber.
The fifth step: magnesium supplementation
During the growth of the potato, especially during the expansion period of the potato tubers, such as sufficient magnesium fertilizer, not only the yield is high, but also the starch accumulation is high and the quality is good. Therefore, when the plants are 45 cm high, each plant should be flooded with 50-100 g of magnesium sulfate and then chased.
Step 6: Foliar spray
In the case of applying the base fertilizer, from the leaf, every 10 days, a spray of 0.1% magnesium sulfate, 0.3% potassium dihydrogen phosphate, 1000 times triacontanol mixture, spray 3-5 This can significantly increase production.
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