Method for cultivating machine-transplanted bowl body strong tiller seedling in easy water leakage soil

A cultivation method and technology with tillers and strong seedlings are applied in the field of cultivation of tillers and strong seedlings with tillers and strong seedlings with machine-inserted soils that are easy to leak water. and other problems, to achieve the effects of improving planting economic benefits, improving rice quality, and preventing leakage and loss.

Active Publication Date: 2019-01-01
HUAIAN AGRI TECH EXTENSION CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, farmers will encounter the following problems in the production process according to the above operation steps. On the one hand, a large amount of fertilizer is applied to fertilize the nutrient soil and seedling boards, which has the risk of burning seedlings. The nutrient soil is mixed with seedling strengthening agents, and it is difficult for farmers to control the dosage. Or it is easy to mix the soil unevenly, and the germination rate of rice seeds often decreases, and the emergence of seedlings is uneven (the seedlings grow short in places where there are many seedling strengthening agents, and the places where there are few seedlings are easy to jump up); Leaky soil, be...

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  • Method for cultivating machine-transplanted bowl body strong tiller seedling in easy water leakage soil

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preparation example Construction

[0035] In the present invention, the nutrient soil can supply the nutritional requirements of the rice seedling raising stage. The invention provides a kind of preferred nutrient soil, and its preparation method comprises the steps:

[0036] a: apply compound fertilizer and urea on the surface of the seedling bed;

[0037] b: Shallow rotary plowing and sieving to obtain nutrient soil.

[0038] In the present invention, the mass content of N, P and K in the compound fertilizer described in step a is independently preferably 10-20%, more preferably 15%; the application amount of the compound fertilizer is preferably 20-25kg / 667m 2 , more preferably 22~23kg / 667m 2 . The mass content of N in the urea described in step a is preferably more than 40%, more preferably 46%; the application amount of the urea is preferably 15-20kg / 667m 2 , more preferably 17~18kg / 667m 2 . In the present invention, the depth of shallow rotary plowing in step b is preferably 5-15 cm, more preferably...

Embodiment 1

[0052] Cultivate strong seedlings with tillers in water-leaking soil pots according to the following steps

[0053] (1) Prepare nutritious soil and seedling bed: select a nearby field for transplanting, low pH value, few grass species, no pesticide residue, loose and fertile soil, plow it before winter and spring for use, and one month before seedling raising, the above field Block application of 45% compound fertilizer (N-P-K, 15%-15%-15%) 20~25kg / 667m 2 , urea (N, 46%) 15 ~ 20kg / 667m 2 , tractor 10cm shallow rotation 2 to 3 times, sieved (aperture 6mm) piled to the side of the seedling field. Apply 10-15kg / 667m to the field after removing the topsoil 2 Urea (N, 46%), after tractor rotary tillage, ditch to make the seedling bed, first use the pressure wheel to flatten and compact it back and forth, soak the seedling board in water, and manually level it depending on the flatness. The height difference of the border surface is required to be less than 1.5 cm;

[0054] (2) ...

Embodiment 2

[0061] Cultivate strong seedlings with tillers in water-leaking soil pots according to the following steps

[0062] (1) Prepare nutritious soil and seedling bed: select a nearby field for transplanting, low pH value, few grass species, no pesticide residue, loose and fertile soil, plow it before winter and spring for use, and one month before seedling raising, the above field Block application of 45% compound fertilizer (N-P-K, 15%-15%-15%) 20-25kg / 667m 2 , urea (N, 46%) 15-20kg / 667m 2 , the tractor rotates shallowly 2 to 3 times, sieves (aperture 6mm) and stacks to the side of the seedling field. Apply 10-15kg / 667m to the field after removing the topsoil 2 Urea (N, 46%), after tractor 8cm rotary tillage, ditch to make the seedling bed, first use the positive pressure wheel to flatten and compact it back and forth, soak the seedling board in water, and manually level it depending on the flatness, requiring the height difference of the border surface Less than 1.5cm;

[006...

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Abstract

The invention provides a method for cultivating machine-transplanted bowl body strong tiller seedling in easy water leakage soil, belonging to the technical field of crop cultivation. The cultivatingmethod comprises the following steps: (1) accelerating germination of seeds until the seeds are broken and white buds appear, and drying to obtain germinated seeds; (2) sowing that germinated seeds into the nutrient soil in the seedling tray, darkening for 2 to 3 days to obtain a seedling emergence tray; (3) placing that seedling emergence tray on the seedling bed, covering the bed with a non-woven cloth, pouring PAOMA water, removing the membrane when the leaf age of the seedling reach one leaf and one core stage, and performing the promoting and controlling of the seedling. As that promotingand controlling operation is carried out during the seedling stage, the fertilizer can be prevented from leaking with water, the chemical control agent effective ingredient can be prevented from being diluted and the concentration can be prevented from being reduced, so that the chemical control effect is prevented from being weakened, thereby playing a romoting and controlling role of topdressing fertilizer and chemical control. Compared with the conventional seedling raising method, the invention has the advantages of uniform seedling emergence, more roots, strong seedling, 0.6-0.8 increasetiller/hole and about 5% rice yield increase in the later stage.

Description

technical field [0001] The invention belongs to the technical field of agricultural planting, and in particular relates to a method for cultivating strong seedlings with tillers in soil prone to water leakage. Background technique [0002] Due to the large amount of sowing in the conventional blanket seedling raising tray, the quality of the seedlings is relatively weak, and the overage seedlings are often unable to be transplanted with high quality, and it is difficult for conventional blanket seedling machine transplanting to fully develop the potential of rice yield and quality in areas where temperature and light resources are scarce. Machine-transplanted seedlings in bowls are transplanted into large fields where the strong seedlings raised in bowls are evenly spaced according to a certain row without plant injury. The key innovation point of this technology is to use the supporting planting line technology to cultivate strong seedlings with a seedling age of 25-35 days...

Claims

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Application Information

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IPC IPC(8): A01G22/22A01C21/00
CPCA01C21/005A01G22/22
Inventor 张军方书亮王爱华郭保卫周冬冬刘忠红
Owner HUAIAN AGRI TECH EXTENSION CENT
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