CN113016543A - Planting method for potato Chinese cabbages in two seasons in one year - Google Patents

Abstract

The invention discloses a planting method of potato Chinese cabbages for two seasons in one year, wherein potatoes are planted in the first season; planting Chinese cabbage in the second season; the method is characterized in that potatoes are sown in late March every year and harvested in late July, the potatoes are planted in early spring, Chinese cabbages are planted immediately after harvesting and appearing in the market, and the Chinese cabbages enter a combined planting mode of the market before the frost period comes, so that two seasons in one year are realized, valuable land resources are fully utilized, the harvesting in two seasons in one year increases income of farmers, and the purposes of increasing yield and increasing efficiency are achieved.

Description

Planting method for potato Chinese cabbages in two seasons in one year

Technical Field

The invention relates to the technical field of crop production, in particular to a planting method of potato Chinese cabbages in two seasons per year.

Background

The potato is suitable for the main production area of the potatoes in the high-latitude area of north China with north latitude of 35 degrees, especially with north latitude of more than 40 degrees, the produced potatoes have large tubers, high starch content and easy storage, so the potato is one of the main crops for economic income increase of local farmers;

however, due to the fact that the frost-free period is short, the average year is 120 days, and the potatoes are dry and rainy, the sowing time of the potatoes is too late, most of areas can only sow in 5-6 months, and harvest is carried out in 9-10 months, so that the potatoes are just sown in the same season, the potatoes are brought to the market as soon as possible, income of farmers is increased, and precious land resources are wasted.

Disclosure of Invention

The invention provides a planting method of potato Chinese cabbages for two seasons in one year, which can effectively solve the problems that planting potatoes for one season only influences the timely sale of the potatoes in the early stage, reduces the income of farmers and causes the waste of valuable land resources in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a planting method of potato Chinese cabbages in two seasons in one year comprises the following planting steps:

s1, planting potatoes in the first season;

s2, planting Chinese cabbages in the second season;

in the step S1, the method includes the following steps:

A. selecting land and deeply ploughing;

B. seed potato selection;

C. accelerating germination of the seed potatoes;

D. slotting and sowing;

E. fertilizing, film covering and drip irrigation;

F. managing the field;

G. harvesting in time;

in S2, the Chinese cabbage is sown in late july and harvested in middle october, and the planting of the Chinese cabbage specifically includes the following steps:

a. carrying out land preparation, fertilizing, deep ploughing and harrowing;

b. parallel film covering and hole opening seeding;

c. performing field management in real time;

d. harvesting and rotary tillage in time.

According to the technical scheme, in the step A, deep ploughing for 20-30cm in the selected land within 15 days before sealing and freezing the land in the last year, raking and leveling to finely crush and soften the soil;

in the step B, an early-maturing variety with a growth cycle of 55-60 days is selected.

According to the technical scheme, in the step C, the seed potato germination accelerating specifically comprises the following steps:

c1, cutting into blocks;

c2, coating powder;

c3, sand paving and breeding;

in the step C1, accelerating germination of seed potato blocks 35 days before early spring sowing, cutting seed potatoes which have passed through the dormancy stage into potato blocks with the size of 45 grams and approximate to a square, ensuring that the eyes of the buds are in the center of the potato blocks, placing a plurality of cutters into a barrel filled with alcohol or potassium permanganate liquid for soaking during cutting, placing the cutter back to the original position when cutting one side, taking the other cutter to cut the other side, and carrying out cutting treatment by rotating in this way;

in the step C2, the cut potato pieces are placed on a repeatedly sterilized floor magnetic ground, talcum powder mixed with biological control powder is uniformly scattered into the potato pieces and is gently turned by a wooden shovel, or the cut potato pieces are placed on a sterilized and dried square cloth and are scattered with the talcum powder, and corners of the cloth are tightened to shake, so that each section of the potato pieces is uniformly adhered with a layer of talcum powder;

in the step C3, potato pieces wrapped with talcum powder are put on an indoor breeding bed for germination acceleration, the breeding bed can be provided with a plurality of layers, and common ventilation equipment is arranged to ensure the balance of indoor upper and lower temperature and humidity and the entrance of fresh air;

laying a layer of special disease-preventing fine sand with the thickness not less than 3cm at the bottom of the breeding bed, wherein the fine sand is river sand with 10-100 meshes, placing the river sand outdoors for sunlight sterilization, completely drying in the sun, moving the river sand indoors, mixing with liquid medicine for preventing and treating potato early blight and black shank, wherein the moisture degree of the fine sand is that the fine sand can not be held by hands to grab water, spreading the seed potato blocks wrapped with talcum powder on the fine sand, placing the seed potato blocks full of one layer, covering a layer of thin fine sand, and the thickness is that the seed potato blocks can not be seen and can not exceed three layers;

the indoor temperature is kept below 15 ℃, the humidity is kept at 40 DEG F, the indoor light is dim, in order to ensure that the seed potatoes are uniformly heated, the ventilation facility is started in time according to the situation, the temperature and the humidity of each indoor breeding bed are basically even, and the potato blocks are slowly and uniformly developed.

According to the technical scheme, the liquid medicine for preventing and treating potato early blight and black shank can be selected from any one of the following three groups:

the first group is that 13 ml of 10 percent difenoconazole is added with 18kg of water, 500 times of solution of 70 percent thiophanate methyl wettable powder, and the two liquid medicines are added together, wherein the difenoconazole liquid medicine accounts for 50 percent (weight percentage), and the thiophanate methyl liquid medicine accounts for 50 percent (weight percentage);

in the second group, 18 ml of 5 percent hexaconazole is added with 18kg of water, and 500 times of solution of 75 percent of carbendazim wettable powder is added together, wherein the hexaconazole solution accounts for 50 percent (weight percentage), and the carbendazim solution accounts for 50 percent (weight percentage);

in the third group, 23 mg of the benomyl is added with 18kg of water and 500 times of 80% Dasheng wettable powder, and the two liquid medicines are added together, wherein the benomyl liquid medicine accounts for 50% (weight percent), and the Dasheng liquid medicine accounts for 50% (weight percent).

According to the technical scheme, in the step D, when the unfreezing depth of the soil in the field reaches 17-20cm in late March, potato seeding grooves are formed in the field in a mechanical or manual mode in time, the width of each groove is 30cm, the depth of each groove is 17-20cm, the center distance between the two grooves is 90cm, base fertilizer is applied while groove operation is carried out, organic biological fertilizer can be selected as the base fertilizer, and the organic biological fertilizer is uniformly turned into the grooves;

after the groove is opened and fertilizer is applied, sowing is carried out, potato blocks with sprouts growing to 0.5-1cm and green sprouts are parallelly placed in the groove, the planting distance of the potato blocks is 25cm, a layer of potato block with the thickness not less than 3cm and the area not less than 250cm is covered on each potato block²The insecticidal organic fertilizer is an insecticidal organic fertilizer for potato blocksAfter the fertilizer is coated, covering soil on the groove, wherein the thickness of the soil is 8-12cm, and the thickness of the soil and the thickness of the insecticidal organic fertilizer are not more than 12-13 cm.

According to the technical scheme, cow dung can be selected for preparing the insecticidal organic fertilizer, wherein neutral soil accounts for one sixth of the cow dung, the cow dung is fully fermented, smashed and dried, the traditional Chinese medicine gene peptide targeted insecticidal nutrient solution is added into the cow dung before use, the nutrient solution is mixed into the dried cow dung in a dilution ratio of 1: 300, the wetting degree of the cow dung is preferably four or five drops of water when the cow dung is held by a hand and held, and the wetting degree can be properly adjusted according to the soil moisture;

the preparation of the insecticidal organic fertilizer can also be prepared from excrements such as pig manure, chicken manure and the like or a combination of a plurality of excrements, wherein the doped neutral loam of each excrement is different, the neutral loam of the pig manure accounts for two fifths of the total weight, and the neutral loam of the chicken manure accounts for one half of the total weight, in a word, the excrement is doped with the neutral loam under the condition of not directly burning seedlings, and the preparation is prepared by fermenting, exposing to sunlight, drying, crushing and doping with liquid medicine.

According to the technical scheme, in the step E, after grooving, sowing and fertilizing are finished, a drip irrigation tape is laid, then a film is coated on the groove, the film is black, and the thickness is preferably 0.008-0.01 cm;

in the step F, when the fact that the sprouts are about to come out of the soil is observed after 20 days after sowing, the film is covered with soil, the thickness is 2-3cm, water is thoroughly poured, watering and fertilizing are carried out according to the actual conditions of bud blossoming and tuber growth, the fertilizing is carried out by melting soluble fertilizer into water through drip irrigation, and the pest and disease damage under the film is also prevented and treated through the drip irrigation;

in G, the potatoes are completely ripe by the middle and late seventh months, and the potatoes need to be harvested to the market as soon as possible.

According to the technical scheme, in the step a, the land where the potatoes are harvested is cleaned up, uniformly spread with farmyard manure of not less than 3000kg per mu, and harrowed by rotary tillage;

and b, after the land is harrowed by rotary tillage, a drip irrigation tape and a film are laid, a transparent film with the thickness of 0.008-0.01cm is selected as the film, after the film is covered, holes are opened on the film for sowing, five or six seeds are scattered in each hole and then covered by fine soil, the distance between every two holes is 40cm, and the sowing is completely finished in late July.

According to the technical scheme, in the step c, after sowing, the seedlings come out of the ground after three or four days, and then are subjected to conventional field management, and watering and fertilizing or pesticide application are carried out at proper time according to actual conditions;

and d, in the last ten days of October, the Chinese cabbages are completely mature, the Chinese cabbages can enter the market in the middle ten days of October, the land is deeply ploughed and raked and leveled in the last ten days of October, namely fifteen days before land is sealed and frozen, and a foundation is laid for planting potatoes in early spring of the next year.

Compared with the prior art, the invention has the beneficial effects that:

according to the method, the potatoes are planted in early spring, the Chinese cabbages are planted immediately after being harvested and appearing in the market, and the Chinese cabbages enter the market in a combined planting mode before the frost period comes, so that two seasons in one year are realized, valuable land resources are fully utilized, and the peasants increase income and achieve the purposes of increasing production, income and efficiency;

meanwhile, the double measures of seed dressing by talcum powder and covering by special fine sand are adopted during the germination acceleration of the potato blocks, so that the possibility of the occurrence of plant diseases and insect pests which are easily obtained in the early and middle stages of the potatoes is reduced to the minimum, in addition, the pesticide farmyard manure is prepared by self, and the fertilizer application method of covering the seed potato blocks with the pesticide farmyard manure is combined, so that the farmyard manure is fully utilized, and a three-dimensional protection net is formed up and down around the potato blocks, thereby more effectively preventing the invasion of plant diseases and insect pests, killing insect eggs, repelling imagoes, inhibiting propagation, improving soil hardening, improving soil permeability and degrading pesticide residues, unlike the prior mode of spraying pesticides in a large area or along the planting groove, the mode not only saves pesticides and manpower, but also reduces the usage amount of pesticides, lightens the pollution to the natural environment and improves the soil growth environment.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a flow chart of the steps of the planting method of the present invention;

FIG. 2 is a flow chart of the steps of the present invention for growing potatoes;

FIG. 3 is a flow chart of the steps for growing Chinese cabbage according to the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-3, the invention provides a technical scheme, a planting method of potato Chinese cabbages in two seasons per year, which comprises the following planting steps:

s1, planting potatoes in the first season;

s2, planting Chinese cabbages in the second season;

in S1, the method comprises the following steps:

A. selecting land and deeply ploughing;

B. seed potato selection;

C. accelerating germination of the seed potatoes;

D. slotting and sowing;

E. fertilizing, film covering and drip irrigation;

F. managing the field;

G. harvesting in time;

in S2, the Chinese cabbage is sown in late july and harvested in middle october, and the planting of the Chinese cabbage specifically comprises the following steps:

a. carrying out land preparation, fertilizing, deep ploughing and harrowing;

b. parallel film covering and hole opening seeding;

c. performing field management in real time;

d. harvesting and rotary tillage in time.

Based on the technical scheme, in the step A, deep turning is carried out on the selected land for 25cm within 15 days before the land is sealed and frozen in the last year, and raking and leveling are carried out to ensure that the soil is finely crushed and loosened;

in B, early-maturing varieties with a growth cycle of 57 days of the seed potatoes are selected, such as Kexin No. 4 and the Netherlands 15.

Based on the technical scheme, in the step C, the seed potato germination accelerating specifically comprises the following steps:

c1, cutting into blocks;

c2, coating powder;

c3, sand paving and breeding;

c1, accelerating germination of seed potato blocks 35 days before early spring sowing, cutting seed potatoes which have passed through the dormancy stage into potato blocks with the size of 45 grams and approximate to a square, ensuring that the eyes of the buds are in the center of the potato blocks, placing a plurality of cutters into a barrel filled with alcohol or potassium permanganate liquid for soaking during cutting, placing the cutter back to the original position when cutting one side, taking the other cutter to cut the other side, and carrying out cutting treatment by rotation;

c2, placing the cut potato blocks on a repeatedly sterilized floor magnetic ground, uniformly scattering talcum powder mixed with biological control powder into the potato blocks, slightly turning the potato blocks by using a wooden shovel, or placing the cut potato blocks on a sterilized and dried square cloth, scattering talcum powder, and tensioning cloth corners to shake, so that each section of the potato blocks is uniformly adhered with a layer of talcum powder;

c3, placing the potato blocks wrapped with the talcum powder on an indoor breeding bed for germination acceleration, wherein the breeding bed can be provided with multiple layers and is provided with common ventilation equipment to ensure the balance of indoor upper and lower temperature and humidity and the entrance of fresh air;

laying a layer of special disease-preventing fine sand with the thickness of 4cm at the bottom of a breeding bed, wherein the fine sand is prepared by selecting 180-mesh river sand, placing the river sand outdoors for sunlight sterilization, completely drying in the sun, moving the river sand indoors, mixing with liquid medicine for preventing and treating potato early blight and black shank, wherein the moisture degree of the fine sand is that the fine sand can not be held by hands to hold the sand to hold water, spreading potato blocks wrapped with talcum powder on the fine sand, placing the fine sand fully for one layer, and covering a layer of thin fine sand with the thickness that the potato blocks cannot be seen, wherein the thickness of the fine sand is that the potato blocks cannot be seen, and the thickness of the fine sand cannot exceed three;

the indoor temperature is kept at 12 ℃, the humidity is kept at 40 DEG F, the indoor light is dim, in order to ensure that the seed potatoes are uniformly heated, the ventilation facility is started in time according to the situation, the temperature and the humidity of each indoor breeding bed are basically even, and the potato blocks are slowly and uniformly developed.

Based on the technical scheme, the liquid medicine for preventing and treating potato early blight and black shank can be selected from any one of the following three groups:

the first group is that 13 ml of 10 percent difenoconazole is added with 18kg of water, 500 times of solution of 70 percent thiophanate methyl wettable powder, and the two liquid medicines are added together, wherein the difenoconazole liquid medicine accounts for 50 percent (weight percentage), and the thiophanate methyl liquid medicine accounts for 50 percent (weight percentage);

in the second group, 18 ml of 5 percent hexaconazole is added with 18kg of water, and 500 times of solution of 75 percent of carbendazim wettable powder is added together, wherein the hexaconazole solution accounts for 50 percent (weight percentage), and the carbendazim solution accounts for 50 percent (weight percentage);

in the third group, 23 mg of the benomyl is added with 18kg of water and 500 times of 80% Dasheng wettable powder, and the two liquid medicines are added together, wherein the benomyl liquid medicine accounts for 50% (weight percent), and the Dasheng liquid medicine accounts for 50% (weight percent).

Based on the technical scheme, in the step D, when the unfreezing depth of the soil in the field reaches 17-20cm in late March, potato seeding grooves are formed in the field in a mechanical or manual mode in time, the width of each groove is 30cm, the depth of each groove is 19cm, the center distance between the two grooves is 90cm, base fertilizer is applied while groove operation is carried out, the base fertilizer can be organic biological fertilizer, and the organic biological fertilizer is uniformly turned into the grooves;

after the groove is opened and fertilizer is applied, sowing is carried out, potato blocks with sprouts growing to 0.7cm and being green are parallelly placed in the groove, the planting distance of the potato blocks is 25cm, and a layer of potato block with the thickness of 4cm and the area of 250cm is covered on each potato block²After the potato blocks are wrapped by the insecticidal organic fertilizer, soil is covered on the grooves, the thickness of the soil is 10cm, and the thickness of the soil plus the thickness of the insecticidal organic fertilizer is 12 cm.

Based on the technical scheme, cow dung can be selected for preparing the insecticidal organic fertilizer, wherein neutral loam accounts for one sixth of the cow dung, the cow dung is fully fermented, smashed and dried, and the traditional Chinese medicine gene peptide targeted insecticidal nutrient solution is added into the cow dung before use and is added into the cow dung according to the weight proportion of 1: 300 percent of diluent is mixed into the dried cow dung, the wetting degree of the cow dung is preferably that the cow dung is held by hands to grasp four or five drops of water, and the wetting degree can be properly adjusted according to the soil moisture;

the preparation of the insecticidal organic fertilizer can also be prepared from excrements such as pig manure, chicken manure and the like or a combination of a plurality of excrements, wherein the doped neutral loam of each excrement is different, the neutral loam of the pig manure accounts for two fifths of the total weight, and the neutral loam of the chicken manure accounts for one half of the total weight, in a word, the excrement is doped with the neutral loam under the condition of not directly burning seedlings, and the preparation is prepared by fermenting, exposing to sunlight, drying, crushing and doping with liquid medicine.

Based on the technical scheme, in the step E, after grooving, sowing and fertilizing are finished, a drip irrigation tape is laid, then a film is coated on the groove, the film is black, and the thickness is preferably 0.01 cm;

f, when the fact that the sprouts are about to come out of the soil is observed 20 days after sowing, covering soil on the film, wherein the thickness is 2.5cm, watering is conducted thoroughly, watering and fertilizing are conducted along with the actual situation that the sprouts bloom and tubers grow for a long time, the fertilizing is conducted by melting soluble fertilizer into water through drip irrigation, and the pest and disease damage under the film is also controlled through the drip irrigation;

in G, the potatoes are completely ripe by the middle and late seventh months, and the potatoes need to be harvested to the market as soon as possible.

Based on the technical scheme, in a, cleaning up the land where the potatoes are harvested, uniformly spreading farmyard manure of not less than 3000kg per mu, and carrying out rotary tillage and raking;

b, after the land is harrowed by rotary tillage, a drip irrigation tape and a film are laid, a transparent film with the thickness of 0.01cm is selected as the film, after the film is covered, holes are opened on the film for sowing, five or six seeds are scattered in each hole, then the holes are covered by fine soil, the distance between every two holes is 40cm, and the sowing is completely finished in the late July.

Based on the technical scheme, in the step c, after sowing, the seedlings come out of the ground after three or four days, and then are subjected to conventional field management, and watering and fertilizing or pesticide application are carried out at proper time according to actual conditions;

and d, in the first ten days of October, the Chinese cabbages are completely mature, the Chinese cabbages can enter the market in the middle ten days of October, the land is deeply turned and raked and leveled in the last ten days of October, namely fifteen days before land is sealed and frozen, and a foundation is laid for planting the potatoes in the early spring of the next year.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A planting method of potato Chinese cabbages in two seasons in one year is characterized in that: the method comprises the following planting steps:

s1, planting potatoes in the first season;

s2, planting Chinese cabbages in the second season;

in the step S1, the method includes the following steps:

A. selecting land and deeply ploughing;

B. seed potato selection;

C. accelerating germination of the seed potatoes;

D. slotting and sowing;

E. fertilizing, film covering and drip irrigation;

F. managing the field;

G. harvesting in time;

in S2, the Chinese cabbage is sown in late july and harvested in middle october, and the planting of the Chinese cabbage specifically includes the following steps:

a. carrying out land preparation, fertilizing, deep ploughing and harrowing;

b. parallel film covering and hole opening seeding;

c. performing field management in real time;

d. harvesting and rotary tillage in time.

2. The planting method of potato Chinese cabbage of two seasons per year according to claim 1, wherein: in the step A, deeply turning 20-30cm on the selected land within 15 days before sealing and freezing the land in the last year, raking and leveling to ensure that the soil is finely crushed and soft;

in the step B, an early-maturing variety with a growth cycle of 55-60 days is selected.

3. The planting method of potato Chinese cabbage of two seasons per year according to claim 1, wherein: in the step C, the seed potato germination accelerating specifically comprises the following steps:

c1, cutting into blocks;

c2, coating powder;

c3, sand paving and breeding;

in the step C1, accelerating germination of seed potato blocks 35 days before early spring sowing, cutting seed potatoes which have passed through the dormancy stage into potato blocks with the size of 45 grams and approximate to a square, ensuring that the eyes of the buds are in the center of the potato blocks, placing a plurality of cutters into a barrel filled with alcohol or potassium permanganate liquid for soaking during cutting, placing the cutter back to the original position when cutting one side, taking the other cutter to cut the other side, and carrying out cutting treatment by rotating in this way;

in the step C2, the cut potato pieces are placed on a repeatedly sterilized floor magnetic ground, talcum powder mixed with biological control powder is uniformly scattered into the potato pieces and is gently turned by a wooden shovel, or the cut potato pieces are placed on a sterilized and dried square cloth and are scattered with the talcum powder, and corners of the cloth are tightened to shake, so that each section of the potato pieces is uniformly adhered with a layer of talcum powder;

in the step C3, potato pieces wrapped with talcum powder are put on an indoor breeding bed for germination acceleration, the breeding bed can be provided with a plurality of layers, and common ventilation equipment is arranged to ensure the balance of indoor upper and lower temperature and humidity and the entrance of fresh air;

laying a layer of special disease-preventing fine sand with the thickness not less than 3cm at the bottom of the breeding bed, wherein the fine sand is river sand with 10-100 meshes, placing the river sand outdoors for sunlight sterilization, completely drying in the sun, moving the river sand indoors, mixing with liquid medicine for preventing and treating potato early blight and black shank, wherein the moisture degree of the fine sand is that the fine sand can not be held by hands to grab water, spreading the seed potato blocks wrapped with talcum powder on the fine sand, placing the seed potato blocks full of one layer, covering a layer of thin fine sand, and the thickness is that the seed potato blocks can not be seen and can not exceed three layers;

the indoor temperature is kept below 15 ℃, the humidity is kept at 40 DEG F, the indoor light is dim, in order to ensure that the seed potatoes are uniformly heated, the ventilation facility is started in time according to the situation, the temperature and the humidity of each indoor breeding bed are basically even, and the potato blocks are slowly and uniformly developed.

4. The planting method of potato Chinese cabbage of two seasons per year according to claim 3, wherein: the liquid medicine for preventing and treating potato early blight and black shank can be selected from any one of the following three groups:

the first group is that 13 ml of 10 percent difenoconazole is added with 18kg of water, 500 times of solution of 70 percent thiophanate methyl wettable powder, and the two liquid medicines are added together, wherein the difenoconazole liquid medicine accounts for 50 percent (weight percentage), and the thiophanate methyl liquid medicine accounts for 50 percent (weight percentage);

in the second group, 18 ml of 5 percent hexaconazole is added with 18kg of water, and 500 times of solution of 75 percent of carbendazim wettable powder is added together, wherein the hexaconazole solution accounts for 50 percent (weight percentage), and the carbendazim solution accounts for 50 percent (weight percentage);

in the third group, 23 mg of the benomyl is added with 18kg of water and 500 times of 80% Dasheng wettable powder, and the two liquid medicines are added together, wherein the benomyl liquid medicine accounts for 50% (weight percent), and the Dasheng liquid medicine accounts for 50% (weight percent).

5. The planting method of potato Chinese cabbage of two seasons per year according to claim 1, wherein: in the step D, when the thawing depth of the soil in the field reaches 17-20cm in late March, digging potato seeding grooves in the field in a mechanical or manual mode in time, wherein the width of each groove is 30cm, the depth of each groove is 17-20cm, the center distance between the two grooves is 90cm, applying base fertilizer while performing groove operation, wherein the base fertilizer can be organic biological fertilizer, and the organic biological fertilizer is uniformly turned into the grooves;

after the groove is opened and fertilizer is applied, sowing is carried out, potato blocks with sprouts growing to 0.5-1cm and green sprouts are parallelly placed in the groove, the planting distance of the potato blocks is 25cm, a layer of potato block with the thickness not less than 3cm and the area not less than 250cm is covered on each potato block²After the potato blocks are wrapped by the insecticidal organic fertilizer, the grooves are covered with soil, the thickness of the soil is 8-12cm, and the thickness of the soil and the thickness of the insecticidal organic fertilizer are not more than 12-13 cm.

6. The planting method of potato Chinese cabbage of two seasons per year according to claim 5, wherein: the preparation of the insecticidal organic fertilizer can select cow dung, wherein neutral soil accounts for one sixth of cow dung, the cow dung is fully fermented, smashed and dried, traditional Chinese medicine gene peptide targeted insecticidal nutrient solution is added into the cow dung before use, the nutrient solution is mixed into the dried cow dung by a diluent of 1: 300, the wetting degree of the cow dung is preferably that the cow dung is held by hand to catch four or five drops of water, and the wetting degree can be properly adjusted according to the soil moisture;

the preparation of the insecticidal organic fertilizer can also be prepared from excrements such as pig manure, chicken manure and the like or a combination of a plurality of excrements, wherein the doped neutral loam of each excrement is different, the neutral loam of the pig manure accounts for two fifths of the total weight, and the neutral loam of the chicken manure accounts for one half of the total weight, in a word, the excrement is doped with the neutral loam under the condition of not directly burning seedlings, and the preparation is prepared by fermenting, exposing to sunlight, drying, crushing and doping with liquid medicine.

7. The planting method of potato Chinese cabbage of two seasons per year according to claim 1, wherein: in the step E, after the grooving, the sowing and the fertilizing are finished, a drip irrigation tape is laid, then a film is coated on the groove, the film is black, and the thickness is preferably 0.008-0.01 cm;

in the step F, when the fact that the sprouts are about to come out of the soil is observed after 20 days after sowing, the film is covered with soil, the thickness is 2-3cm, water is thoroughly poured, watering and fertilizing are carried out according to the actual conditions of bud blossoming and tuber growth, the fertilizing is carried out by melting soluble fertilizer into water through drip irrigation, and the pest and disease damage under the film is also prevented and treated through the drip irrigation;

in G, the potatoes are completely ripe by the middle and late seventh months, and the potatoes need to be harvested to the market as soon as possible.

8. The planting method of potato Chinese cabbage of two seasons per year according to claim 1, wherein: in the step a, cleaning up the land where the potatoes are harvested, uniformly spreading farmyard manure of not less than 3000kg per mu, and carrying out rotary tillage and raking;

and b, after the land is harrowed by rotary tillage, a drip irrigation tape and a film are laid, a transparent film with the thickness of 0.008-0.01cm is selected as the film, after the film is covered, holes are opened on the film for sowing, five or six seeds are scattered in each hole and then covered by fine soil, the distance between every two holes is 40cm, and the sowing is completely finished in late July.

9. The planting method of potato Chinese cabbage of two seasons per year according to claim 1, wherein: in the step c, after sowing, the seedlings come out of the ground after three or four days, and then are subjected to conventional field management, and watering and fertilizing or pesticide application are carried out at proper time according to actual conditions;

and d, in the last ten days of October, the Chinese cabbages are completely mature, the Chinese cabbages can enter the market in the middle ten days of October, the land is deeply ploughed and raked and leveled in the last ten days of October, namely fifteen days before land is sealed and frozen, and a foundation is laid for planting potatoes in early spring of the next year.

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