A kind of substrate soil binary cultivation method
A cultivation method and soil technology, applied in the field of agricultural cultivation, can solve the problems of inhibiting root growth and spreading distribution, inability to form a huge root system, and inability to supplement, so as to improve the utilization rate of water and fertilizer, reduce the amount and input of fertilizer, and prevent leggy growth Effect
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Embodiment 1
[0026] Embodiment 1 A kind of matrix soil binary cultivation method that controls root system deep layer distribution to prevent dead tree disease to increase yield and improve water and fertilizer utilization rate, comprises the following steps:
[0027] (1) Land pretreatment:
[0028] 1) Flood flooding: use irrigation water to flood the land for 5 days. During the flooding period, the water depth of the land is kept at 4 cm or above the surface of the soil layer. After 7 days, the soil is rotated to 25 cm;
[0029] 2) Covering with black plastic film: After rotary tillage, continue to maintain soaking irrigation for 10-12 days, stop soaking irrigation when the soil oxidation-reduction potential drops to 45-50mv, cover the soaking irrigation area with black plastic film and seal it for 7-9 days, wait for the soil CO at a depth of 30cm 2 When the content is 15-18%, uncover the plastic film and wait for the soil to dry naturally;
[0030] The selected black mulch film has a t...
Embodiment 2
[0059] Embodiment 2 Application of dual cultivation method of the present invention in cucumber planting
[0060] In actual production and application, the inventor found that: in the field where cucumbers were planted for more than 2 consecutive years, the growth of cucumbers in the middle and late stages was slow, the root system was unstable, and the fruit deformity rate was high. Rot, severe can cause dead tree disease;
[0061] The cucumber planting area is randomly divided into 3 areas of equal area, 100 plants in each area: the cultivation method of the embodiment of the invention 1 is adopted in the 1 area; the cultivation method of the comparative example is adopted in the 2 area, and the comparative example is the same as the present The embodiment 1 of the invention is basically the same, the only difference is that the comparative example does not have the steps of large water immersion and black film covering in the embodiment 1, and the others are the same; the 3...
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