Method for ecological conservation of tobacco planting soil under intercropping mode of tobaccos and potatoes
A model and tobacco planting technology, applied in the fields of soil preparation, tobacco cultivation, root crop cultivation, etc., to achieve the effect of improving soil physical properties, reducing labor intensity, and low cost
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Embodiment 1
[0018] Demonstration site selection: Xuanen Xiaoguan Gulu Village, where tobacco leaves have been planted continuously for 10 years, and soil-borne diseases in the tobacco field are seriously harmful.
[0019] Sweet potato and tobacco interleaving method: On April 25, 2017, the tobacco seedlings were transplanted in the field. The transplanting specification is that the row spacing between the tobacco seedlings is 120 cm, and the row spacing is 55 cm. On May 5, holes are drilled at a distance of 27.5 cm from the tobacco plants, and the hole depth is 5-10 cm. Insert the sweet potato seedlings, and then cover the holes with soil and press them. strict. One seedling per hole, one row per ridge, 1000 sweet potato seedlings / mu. On September 12, the sweet potatoes were dug manually, and the sweet potato vines were returned to the field.
Embodiment 2
[0021] Demonstration site selection: Luoquan Village, Xuanen Jiaoyuan, where tobacco leaves have been planted continuously for 10 years, and soil-borne diseases in the tobacco fields are seriously harmful.
[0022] Sweet potato and tobacco interleaving method: On May 1, 2017, the tobacco seedlings were transplanted in the field. The transplanting specification is that the row spacing between the tobacco seedlings is 120 cm, and the row spacing is 55 cm. On May 11, a hole is drilled at a distance of 27.5 cm from the tobacco plants. The hole depth is 5-10 cm. Insert the sweet potato seedlings, and then cover the holes with soil. Strictly pressed. One seedling per hole, one row per ridge, 1000 sweet potato seedlings / mu. On September 20th, the sweet potatoes were dug manually, and the sweet potato vines were returned to the field.
Embodiment 3
[0024] Demonstration site selection: Longfeng Qingbao Village, Enshi City, tobacco leaf planting has been planted continuously for 8 years, and soil-borne diseases in the tobacco field are seriously harmful.
[0025] Sweet potato and tobacco interleaving method: On May 3, 2017, the tobacco seedlings were transplanted in the field. The transplanting specifications are 120 cm row spacing between tobacco seedlings and 55 cm plant spacing. On May 15, a hole is drilled at a distance of 27.5 cm from the tobacco plant. The hole depth is 5-10 cm. Insert the sweet potato seedlings, and then cover the hole tightly with soil. . One seedling per hole, one row per ridge, 1000 sweet potato seedlings / mu. On September 20th, the sweet potatoes were dug manually, and the sweet potato vines were returned to the field.
[0026] Through embodiment 1-embodiment 3, measure soil pH value, soil bulk density, soil moisture content and soil total porosity and obtain table 1; Table 2 is obtained accor...
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