The correct way to insert sweet potato seedlings upside down

The correct way to insert sweet potato seedlings upside down

Why do sweet potato seedlings produce high yields when planted upside down? Sweet potatoes are nutritious, high yielding, barren and adaptable to the environment, and are cultivated in most parts of the country.

A, how to planting knot sweet potatoes more

1, transplanting using the inverted plugging method. Specific method: sweet potato seedlings will be transplanted horizontally into the soil, while buried in the soil part is "u" type, or boat type, only the top of the plant exposed 2-3 leaves in the soil outside.

2, planting density: if it is a high monopoly double row planting, than the ordinary high monopoly single row planting yield increase of about 24%. Specific method: tillage depth 25-30cm, monopoly height 25-30cm, monopoly width 100-120cm, monopoly distance 80cm, monopoly surface cross-planting double rows of seedlings, row spacing 40-50cm, plant spacing 26-33cm.

Second, why sweet potato seedlings inserted upside down have high yield

(1) The length of sweet potato seedlings used for upside-down transplanting is long, and each node of sweet potato seedlings can produce sweet potatoes, so the longer the sweet potato seedlings are, the more potatoes they produce, and the yield is naturally higher.

(2) Upside-down transplanted sweet potato seedlings suppress apical dominance, preventing the plant from growing vigorously (only vines grow, not potatoes) and preventing the plant from consuming a large amount of nutrients and water.

(3) Sweet potato seedlings transplanted upside down have a higher survival rate and are conducive to layered sweet potatoes.

Third, the correct way to transplant sweet potato seedlings upside down

(1) Inverted plug refers to the bottom of the boat type cuttings, that is, sweet potato seedlings are transplanted into the soil horizontally, while the part buried in the soil is deformed so that it becomes "U" type, or boat type, only the top of the plant reveals a small part of the leaves in the soil outside.

(2) The length of the sweet potato seedlings to be inserted upside down should be about 25-30cm and the depth of burial should be about 5cm.