Rice no-tillage transplanting refers to the use of herbicides to eliminate weeds and shatter-grain seedlings, destroy rice piles or green manure crops, and then fertilize and fertilize rice fields that have not been plowed or ploughed after harvesting the previous crop. In Putian, after the water layer is naturally drained or drained, a new cultivation technique of rice cultivation in the field will be cast into a plastic tray or a paper tube. The application results show that this technology has the advantages of saving labor costs, increasing labor productivity, mitigating seasonal contradictions, protecting soil, and increasing economic benefits. It is well received by farmers, and thus the scope and area of ​​application continue to expand. According to the high-yielding cultivation techniques of no-tillage and cast-rice cultivation in rice, the following preparatory work for no-tillage and transplantable rice fields is mainly based on the following points.
1. Choose no-tillage and thrown rice in paddy fields suitable for no-tillage and cast-broadcasting. Choose paddy fields with sufficient water sources, convenient drainage and irrigation, flat fields, deep plowing layer, good water and fertility retention capacity, easy dry soil and shallow thin drain of sandy shallow foothills. Not suitable for no-tillage. Low-land, hill-hole, cold-sweeping fields, and rotten hedgehogs are still to be used. Before the chemical weeding, we must open up the ring ditch and cross ditch to drain the fields in time.
2. Prepare pre-dosing work. Paddy fields prepared for no-tillage seedlings should be removed from the paddy fields when harvested in advance. If the previous crop is rice, the root should be cut as low as possible. Generally, the height of the rice pile should not exceed 15 cm. Otherwise, irrigation after chemical weeding cannot submerge the rice pile and it is difficult to rot. As a result, the seedlings are placed on the rice piles to affect the survival rate of the seedlings.
Third, chemical devastation weeding No-tillage seedlings before weeding, weeding and weeding should use a safe, fast, efficient, rain-resistant and low-cost characteristics of the herbicide, the best effect of Gramoxone. Usually early in the casting 10 to 15 days before the dumplings, late in the throwing dumplings 7 to 10 days before the draining of field water, mu with 20% g to trace 200 to 250 ml plus ammonium bicarbonate or potassium chloride 2 to 2.5 kg , Duishui 50 ~ 60 kg, with a sprayer evenly sprayed on the rice piles and weeds stems and leaves. The second day after the spraying, the place where the missing spray was applied was sprayed. After the second day of spraying, the field was flooded with deep water and the water depth was better for submerging the rice pile. In the flooding field, superphosphate, ammonium bicarbonate or compound fertilizer should be used as basal fertilizer to accelerate the decay of rice piles and weeds. Early soaking paddy fields for 8 to 13 days, late soaking for 5 to 7 days, until the water layer naturally drained or drained after throwing water. For places where the late-season season is tense, it may be postponed until the 2 days before the start of the project. Spraying the traces of grammone, immersing the fields 1 day later, and draining the shallow water after 1 day of immersion, this method should be carried out cautiously depending on the circumstances. Generally after 1 to 2 hours after spraying on sunny days, the stems and leaves of weeds begin to wither and most of the weeds and rice piles die after 2 to 3 days.
In places or seasons where spraying and casting time are separated by a long time (such as early construction), weeding type herbicides such as Roundup, Farmers, Glyphosate, etc. can be used for herbicide before weeding, of which 41% are agricultural. Up to 200 ml for general mu and 50 to 60 kg for watering. The herbicides have slower weeding speeds, but they have better efficacy. After 3 to 7 days after spraying, the weed blades begin to turn yellow. After 15 to 20 days after spraying, the weed blades die and turn brown. The stems and leaves all died, so it is required to spray medicine 20 to 25 days before throwing.
Fourth, do a good job of treatment of weeds before budding chemical Weeding and weeding is difficult to kill the seeds of un-germinated weeds, must be soil treatment or throwing hoe before spraying to kill. Soil treatment before throwing: 2~3 days before throwing, mu 12% estragon EC 125 to 150 ml or 60% chloramine EC 100 ml or 50% paracetamol 100 to 150 g water evenly sprayed Surface and keep the shallow water layer. After weeding, weeding and weeding: early after 4 to 5 days after casting, 3 to 4 days after casting, 10% glufosin can be used per mu, 7 to 10 grams, 10% Wettable powders 13 to 15 grams, 10% Herbamon WP 10 to 15 grams, 12% Echinacea EC 100 to 120 milliliters, 50% Herbicidal Emulsion 200 to 250 milliliters, 96% Amaranthus 100~ 125 ml, 50% of Ruifeite EC 35 to 50 ml of fine soil or chemical fertilizer is applied to disinfect the grass.
1. Choose no-tillage and thrown rice in paddy fields suitable for no-tillage and cast-broadcasting. Choose paddy fields with sufficient water sources, convenient drainage and irrigation, flat fields, deep plowing layer, good water and fertility retention capacity, easy dry soil and shallow thin drain of sandy shallow foothills. Not suitable for no-tillage. Low-land, hill-hole, cold-sweeping fields, and rotten hedgehogs are still to be used. Before the chemical weeding, we must open up the ring ditch and cross ditch to drain the fields in time.
2. Prepare pre-dosing work. Paddy fields prepared for no-tillage seedlings should be removed from the paddy fields when harvested in advance. If the previous crop is rice, the root should be cut as low as possible. Generally, the height of the rice pile should not exceed 15 cm. Otherwise, irrigation after chemical weeding cannot submerge the rice pile and it is difficult to rot. As a result, the seedlings are placed on the rice piles to affect the survival rate of the seedlings.
Third, chemical devastation weeding No-tillage seedlings before weeding, weeding and weeding should use a safe, fast, efficient, rain-resistant and low-cost characteristics of the herbicide, the best effect of Gramoxone. Usually early in the casting 10 to 15 days before the dumplings, late in the throwing dumplings 7 to 10 days before the draining of field water, mu with 20% g to trace 200 to 250 ml plus ammonium bicarbonate or potassium chloride 2 to 2.5 kg , Duishui 50 ~ 60 kg, with a sprayer evenly sprayed on the rice piles and weeds stems and leaves. The second day after the spraying, the place where the missing spray was applied was sprayed. After the second day of spraying, the field was flooded with deep water and the water depth was better for submerging the rice pile. In the flooding field, superphosphate, ammonium bicarbonate or compound fertilizer should be used as basal fertilizer to accelerate the decay of rice piles and weeds. Early soaking paddy fields for 8 to 13 days, late soaking for 5 to 7 days, until the water layer naturally drained or drained after throwing water. For places where the late-season season is tense, it may be postponed until the 2 days before the start of the project. Spraying the traces of grammone, immersing the fields 1 day later, and draining the shallow water after 1 day of immersion, this method should be carried out cautiously depending on the circumstances. Generally after 1 to 2 hours after spraying on sunny days, the stems and leaves of weeds begin to wither and most of the weeds and rice piles die after 2 to 3 days.
In places or seasons where spraying and casting time are separated by a long time (such as early construction), weeding type herbicides such as Roundup, Farmers, Glyphosate, etc. can be used for herbicide before weeding, of which 41% are agricultural. Up to 200 ml for general mu and 50 to 60 kg for watering. The herbicides have slower weeding speeds, but they have better efficacy. After 3 to 7 days after spraying, the weed blades begin to turn yellow. After 15 to 20 days after spraying, the weed blades die and turn brown. The stems and leaves all died, so it is required to spray medicine 20 to 25 days before throwing.
Fourth, do a good job of treatment of weeds before budding chemical Weeding and weeding is difficult to kill the seeds of un-germinated weeds, must be soil treatment or throwing hoe before spraying to kill. Soil treatment before throwing: 2~3 days before throwing, mu 12% estragon EC 125 to 150 ml or 60% chloramine EC 100 ml or 50% paracetamol 100 to 150 g water evenly sprayed Surface and keep the shallow water layer. After weeding, weeding and weeding: early after 4 to 5 days after casting, 3 to 4 days after casting, 10% glufosin can be used per mu, 7 to 10 grams, 10% Wettable powders 13 to 15 grams, 10% Herbamon WP 10 to 15 grams, 12% Echinacea EC 100 to 120 milliliters, 50% Herbicidal Emulsion 200 to 250 milliliters, 96% Amaranthus 100~ 125 ml, 50% of Ruifeite EC 35 to 50 ml of fine soil or chemical fertilizer is applied to disinfect the grass.