Cultivation method for intercropping konjac with coix

A cultivation method and technology of konjac, applied in root crop cultivation, grain cultivation, botanical equipment and methods, etc., can solve the problems of waste of land resources and light resources, no antagonistic effect of diseases, high incidence of diseases, etc., and achieve the goal of reducing konjac diseases Occurs, realizes the effect of increasing production and income, and expanding the planting area

Inactive Publication Date: 2019-08-16

FUYUAN JINDI KONJAK SEED IND

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AI-Extracted Technical Summary

Problems solved by technology

[0005] 1) The optimum temperature for the growth environment of konjac is about 25 degrees Celsius, and proper shade is required. Generally, it is only suitable for planting in mountainous and semi-mountainous areas with high altitudes, which limits the development of konjac planting. How to promote konjac planting to low altitudes Regional development has become a technical problem that those skilled in the art need to solve urgently;

[0006] 2) In order to ensure the reasonable...

Abstract

The invention discloses a cultivation method for intercropping konjac with coix. The method comprises the following steps: S1, site selection; S2, soil preparation; S3, seed selection; S4, sowing; S5,fertilization; S6, field management; S7, pest control; and S8, harvesting. The konjac and coix are planted together, and the cover of the coix can avoid strong sunlight from irradiating the surface directly and causing the soil temperature to rise sharply, so that a suitable growth environment is provided for the konjac, the shade needs of the konjac are met, and the occurrence of konjac diseasesis greatly reduced; the survival rate of the konjac is high, and increased production and increased income of the konjac are achieved; at the same time, the restriction that konjac can not be plantedin low-altitude areas is broken, and the konjac planting areas are expanded.

Application Domain

Cereal cultivationRoot crop cultivation +1

Technology Topic

Site managementLow altitude +8

Image

Examples

Experimental program(6)
Comparison scheme(2)

Example Embodiment

[0047] Example 1:

[0048] A cultivation method for intercropping konjac and coix, comprising the following steps:

[0049] S1. Site selection: select plots with a gentle slope, an altitude of 1000-1800m, good drainage, deep and loose soil, high organic matter content, good soil texture, and neutral or slightly acidic pH;

[0050] S2. Land preparation: After applying decomposed farm manure to the land selected in step S1, ridges are made with a moisture surface width of 120cm, the ridge height is 40cm, and the furrow width is 30cm;

[0051] S3, selection:

[0052] Konjac seed selection: select the seed taro left in the plots that have no or very slight disease during the growth process. Its appearance is round or high round, the bulb is fully mature, heavy, smooth, and the top bud is bright red Planting taro that is thick, shallow bud nest, no spots, no wounds;

[0053] Coix seed selection: choose large, plump seeds of the year;

[0054] S4, sowing:

[0055] Konjac sowing: From mid-March to the end of April, when the ground temperature is stable above 10℃, ditch sowing at a pitch of 30cm×25cm, and the seeding depth is 15cm. When sowing, place the taro bud nest upward. In the ditch, then cover with 7cm thick fine soil and water;

[0056] Coix seeding: Seed at the same time as the konjac, plant a row of Coix on one side of the ditch. The seeding method is mainly by ponding on-demand, 4 seeds per pond, and the distance between ponds is 15cm;

[0057] S5. Fertilization: apply 55kg of calcium-magnesium-phosphate fertilizer with a ratio of 35:9:15 and 40kg of nitrogen-phosphorus-potassium compound fertilizer (NPK15:15:15) per mu in the sowing pond and the sowing ditch. fat;

[0058] S6, field management:

[0059] Konjac field management: After the konjac emerges, weeding three times in sunny weather;

[0060] Coix field management: When the coix seedlings grow 4 leaves, remove the dense and weak seedlings, uniform the seedlings and fix the seedlings in time, and leave 3 seedlings in each hole. Intertillage and weeding are carried out twice, the first time is shallow hoeing when the coix 4 leaves , Combined with fixed seedlings; the second time in the coix jointing stage, combined with soil cultivation; after the jointing, remove the old leaves and invalid tillers below the first branch;

[0061] S7, pest control;

[0062] S8, harvest:

[0063] Konjac harvest: 10 days after the konjac plant falls naturally, it is harvested by conventional methods in sunny weather;

[0064] Coix harvest: The lower tip of the coix leaves turn yellow, and 80% of the seeds turn black or the original seed shell color is harvested by conventional methods.

[0065] The pest control in step S7:

[0066] Prevention and control of diseases and insect pests of konjac: After the konjac emerges and spreads the leaves, if the diseased plants are found, the central diseased plants should be pulled out immediately, and they should be taken to places far away from the plot and burned. The diseased soil in the diseased caves should be removed in time, and multiple disinfectant powders should be sprayed on the diseased caves and around ; Before and after konjac leaf development, choose to spray Bordeaux mixture, chlorothalonil or carbendazim and other broad-spectrum antibacterial agents in sunny weather (the spray concentration of the drug is according to the product specification) to prevent soft rot, spray once every 7 days , Spray 3 times;

[0067] Coix disease and pest control:

[0068] Smut: Before sowing, put the seeds of the current year in step S3 into a plastic woven mesh bag, immerse them in 85°C hot water, scald the seeds for 1 minute, remove them immediately, and then spread them flat on the floor to quickly cool down and dry;

[0069] Leaf blight: spray Bordeaux mixture (1:10:100) or 65% wettability zinc zinc 500 times solution at the beginning of the disease, and spray on the leaves.

[0070] The pH of the soil of the plot in step S1 is 6-7.

[0071] The decomposed farmyard manure applied in step S2 includes cow dung, chicken dung and sheep dung, and the ratio of active ingredients is 45:15:10, and 3000 kg per mu is applied.

Example Embodiment

[0072] Example 2:

[0073] A cultivation method for intercropping konjac and coix, comprising the following steps:

[0074] S1. Site selection: select plots with a gentle slope, an altitude of 1000-1800m, good drainage, deep and loose soil, high organic matter content, good soil texture, and neutral or slightly acidic pH;

[0075] S2. Land preparation: After applying decomposed farm manure, the land selected in step S1 is ridden with a moisture surface width of 120cm, the ridge height is 50cm, and the furrow width is 30cm;

[0076] S3, selection:

[0077] Konjac seed selection: select the seed taro left in the plots that have no or very slight disease during the growth process. Its appearance is round or high round, the bulb is fully mature, heavy, smooth, and the top bud is bright red Planting taro that is thick, shallow bud nest, no spots, no wounds;

[0078] Coix seed selection: choose large, plump seeds of the year;

[0079] S4, sowing:

[0080] Konjac sowing: from mid-March to the end of April, when the ground temperature is stable above 10℃, ditch sowing at a pitch of 30cm×30cm. The seeding depth is 19cm. When sowing, place the taro bud nest upward. In the ditch, then cover with 5cm thick fine soil and water;

[0081] Coix seeding: Seed at the same time as Konjac, plant a row of Coix on both sides of the ditch. The seeding method is mainly by ponding on-demand, with 3 seeds per pond, and the distance between ponds is 20cm;

[0082] S5. Fertilization: apply 50kg of calcium-magnesium-phosphate fertilizer with a ratio of 35:9:15 and 40kg of nitrogen, phosphorus and potassium ternary compound fertilizer (NPK15:15:15) per mu in the planting pond and the planting ditch during planting. fat;

[0083] S6, field management:

[0084] Konjac field management: After the konjac emerges, choose cultivating and weeding twice in sunny weather;

[0085] Coix field management: When the coix seedlings grow 4 leaves, remove the dense and weak seedlings, evenly and fix the seedlings in time, leaving 4 seedlings in each hole; intertillage and weeding are carried out twice, the first time is shallow hoeing when the coix 4 leaves , Combined with fixed seedlings; the second time in the coix jointing stage, combined with soil cultivation; after the jointing, remove the old leaves and invalid tillers below the first branch;

[0086] S7, pest control;

[0087] S8, harvest:

[0088] Konjac harvest: 10 days after the konjac plant falls naturally, it is harvested by conventional methods in sunny weather;

[0089] Coix harvest: The lower tip of the coix leaves turn yellow, and 80% of the seeds turn black or the original seed shell color is harvested by conventional methods.

[0090] The pest control in step S7:

[0091] Prevention and control of diseases and insect pests of konjac: After the konjac emerges and spreads the leaves, if the diseased plants are found, the central diseased plants should be pulled out immediately, and they should be taken to places far away from the plot and burned. The diseased soil in the diseased caves should be removed in time, and multiple disinfectant powders should be sprayed on the diseased caves and around ; Before and after the konjac leaves, choose to spray Bordeaux mixture, chlorothalonil or carbendazim and other broad-spectrum antibacterial agents (the spray concentration of the drug is according to the product specification) to prevent soft rot in sunny weather, spray once every 8 days , Spray 5 times;

[0092] Coix disease and pest control:

[0093] Smut: Before sowing, put the seeds of the current year in step S3 into a plastic woven mesh bag, immerse them in hot water at 90°C, scald the seeds for 1.5 minutes, remove them immediately, and then spread them flat on the floor to quickly cool down and dry;

[0094] Leaf blight: spray Bordeaux mixture (1:10:100) or 65% wettability zinc zinc 500 times solution at the beginning of the disease, and spray on the leaves.

[0095] The pH of the soil of the plot in step S1 is 6-7.

[0096] The decomposed farmyard manure applied in step S2 includes cow dung, chicken dung, and sheep dung, and the ratio of the active ingredients is 50:20:15, and 3500 kg per mu is applied.

[0097] The seed taro in step S3 needs to be disinfected with multi-disinfecting powder before sowing. Among them, the multi-element disinfecting powder uses Hedele multi-element disinfecting powder, and the usage amount is according to the product manual.

[0098] When fertilizing in step S5, the fertilizer should not be in direct contact with the planting taro, and the distance should be at least 5 cm.

Example Embodiment

[0099] Example 3:

[0100] A cultivation method for intercropping konjac and coix, comprising the following steps:

[0101] S1. Site selection: select plots with a gentle slope, an altitude of 1000-1800m, good drainage, deep and loose soil, high organic matter content, good soil texture, and neutral or slightly acidic pH;

[0102] S2. Land preparation: After applying decomposed farm manure to the land selected in step S1, ridges are made with a moisture surface width of 120cm, the ridge height is 40cm, and the furrow width is 30cm;

[0103] S3, selection:

[0104] Konjac seed selection: select the seed taro left in the plots that have no or very slight disease during the growth process. Its appearance is round or high round, the bulb is fully mature, heavy, smooth, and the top bud is bright red Planting taro that is thick, shallow bud nest, no spots, no wounds;

[0105] Coix seed selection: choose large, plump seeds of the year;

[0106] S4, sowing:

[0107] Konjac sowing: From mid-March to the end of April, when the ground temperature is stable above 10℃, ditch sowing at a pitch of 30cm×30cm. The seeding depth is 18cm. When sowing, place the taro bud nest upwards gently. In the ditch, then cover with 10cm thick fine soil and water;

[0108] Coix seeding: Seed at the same time as the konjac, plant a row of Coix on both sides of the ditch. The seeding method is mainly by ponding on-demand, 4 seeds per pond, and the distance between ponds is 20cm;

[0109] S5. Fertilization: apply 50kg of calcium-magnesium-phosphate fertilizer with a ratio of 35:9:15 and 40kg of nitrogen, phosphorus and potassium ternary compound fertilizer (NPK15:15:15) per mu in the planting pond and the planting ditch during planting. fat;

[0110] S6, field management:

[0111] Konjac field management: After the konjac emerges, weed 4 times in sunny weather;

[0112] Coix field management: When the coix seedlings grow 4 leaves, remove the dense and weak seedlings, evenly and fix the seedlings in time, leaving 4 seedlings in each hole; intertillage and weeding are carried out twice, the first time is shallow hoeing when the coix 4 leaves , Combined with fixed seedlings; the second time in the coix jointing stage, combined with soil cultivation; after the jointing, remove the old leaves and invalid tillers below the first branch;

[0113] S7, pest control;

[0114] S8, harvest:

[0115] Konjac harvest: 10 days after the konjac plant falls naturally, it is harvested by conventional methods in sunny weather;

[0116] Coix harvest: The lower tip of the coix leaves turn yellow, and 80% of the seeds turn black or the original seed shell color is harvested by conventional methods.

[0117] The pest control in step S7:

[0118] Prevention and control of diseases and insect pests of konjac: After the konjac emerges and spreads the leaves, if the diseased plants are found, the central diseased plants should be pulled out immediately, and they should be taken to places far away from the plot and burned. The diseased soil in the diseased caves should be removed in time, and multiple disinfectant powders should be sprayed on the diseased caves and around ; Before and after the konjac leaves, choose to spray Bordeaux mixture, chlorothalonil or carbendazim and other broad-spectrum antibacterial agents (the spray concentration of the drug is according to the product specification) to prevent soft rot in sunny weather, spray once every 8 days , Spray 5 times;

[0119] Coix disease and pest control:

[0120] Smut: Before sowing, put the seeds of the current year in step S3 into a plastic woven mesh bag, immerse them in hot water at 90°C, scald the seeds for 1.5 minutes, remove them immediately, and then spread them flat on the floor to quickly cool down and dry;

[0121] Leaf blight: spray Bordeaux mixture (1:10:100) or 65% wettability zinc zinc 500 times solution at the beginning of the disease, and spray on the leaves.

[0122] The pH of the soil of the plot in step S1 is 6-7.

[0123] The decomposed farmyard manure applied in step S2 includes cow dung, chicken dung, and sheep dung, and the ratio of effective ingredients is 45:20:15, and 3500 kg per mu is applied.

[0124] The seed taro in step S3 needs to be disinfected with multi-disinfecting powder before sowing. Among them, the multi-element disinfecting powder uses Hedele multi-element disinfecting powder, and the usage amount is according to the product manual.

[0125] When fertilizing in step S5, the fertilizer should not be in direct contact with the seed taro, and the distance should be at least 5 cm. After the fertilization is completed, cover the seed with humus soil.

[0126] After step S5 is completed, before the rainy season comes, clear the ditch and lift the soil to ensure smooth drainage of the plot.

PUM

Property	Measurement	Unit
Altitude	1000.0 ~ 1800.0	m

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