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In the summer and autumn of this year, most areas of Guangxi experienced continuous sunny and hot weather and little rain, especially in northern and central Guixi, which had varying degrees of impact
on sugarcane production.
Xingbin District, Laibin City, Guangxi, the largest sugarcane producing county in the country, has not had an effective rainfall process since July 3; Liucheng County, Liuzhou City, has experienced the lowest rainfall since
the establishment of the local weather station in 1958 since July 11.
In order to minimize the loss of disaster and ensure the stable supply of raw cane, the National Agricultural Technology Extension Service Center, together with the sugar expert guidance group of the Ministry of Agriculture and Rural Affairs, put forward the following technical guidance for coping with drought and little rain, and guided local governments to do a good job in the post-production management of sugarcane and cane planting in winter and spring
.
on sugarcane production.
Xingbin District, Laibin City, Guangxi, the largest sugarcane producing county in the country, has not had an effective rainfall process since July 3; Liucheng County, Liuzhou City, has experienced the lowest rainfall since
the establishment of the local weather station in 1958 since July 11.
In order to minimize the loss of disaster and ensure the stable supply of raw cane, the National Agricultural Technology Extension Service Center, together with the sugar expert guidance group of the Ministry of Agriculture and Rural Affairs, put forward the following technical guidance for coping with drought and little rain, and guided local governments to do a good job in the post-production management of sugarcane and cane planting in winter and spring
.
1.
Carry out drought-fighting work
.
Pay close attention to weather changes and seize the favorable opportunity to scientifically carry out artificial rain enhancement operations
.
Cane areas with irrigation conditions should actively seek water sources, make full use of existing irrigation facilities, promote drip irrigation water-saving technology, lay water supply pipes according to the size and shape of cane field plots, water supply pipes are perpendicular to the direction of sugarcane planting, and the drip irrigation belt is arranged in the shape of "Fengzi" or "comb", and the use of water supply pipes
with a diameter of 75 mm is advocated.
Carry out drought-fighting work
.
Pay close attention to weather changes and seize the favorable opportunity to scientifically carry out artificial rain enhancement operations
.
Cane areas with irrigation conditions should actively seek water sources, make full use of existing irrigation facilities, promote drip irrigation water-saving technology, lay water supply pipes according to the size and shape of cane field plots, water supply pipes are perpendicular to the direction of sugarcane planting, and the drip irrigation belt is arranged in the shape of "Fengzi" or "comb", and the use of water supply pipes
with a diameter of 75 mm is advocated.
Second, the implementation of cane leaf mulching
.
In the later stage of sugarcane growth, part of the cane leaves of sugarcane plants can be peeled off to cover the cane field, which plays a certain role
in water retention.
Generally, the standard for leaf peeling is to retain 9-10 unfolded new leaves per cane stem, and the leaf sheath should be retained to protect the bud pieces
for the remaining cane field.
.
In the later stage of sugarcane growth, part of the cane leaves of sugarcane plants can be peeled off to cover the cane field, which plays a certain role
in water retention.
Generally, the standard for leaf peeling is to retain 9-10 unfolded new leaves per cane stem, and the leaf sheath should be retained to protect the bud pieces
for the remaining cane field.
Third, select drought-resistant varieties
.
Do a good job in the winter and spring planting of sugarcane, actively promote the application of drought-resistant and high-sugar varieties such as Guiliu 05-136 and Laurel No.
42 in cane areas with severe drought and no irrigation conditions, and avoid the use of varieties with weak drought resistance; At the same time, appropriately increase the amount of sugarcane planting, the amount of planting under mu is increased from 5000-6000 buds to 7000 buds, and three-bud or four-bud seedlings can be used to improve the drought resistance of seedlings and the yield
of sugarcane.
.
Do a good job in the winter and spring planting of sugarcane, actively promote the application of drought-resistant and high-sugar varieties such as Guiliu 05-136 and Laurel No.
42 in cane areas with severe drought and no irrigation conditions, and avoid the use of varieties with weak drought resistance; At the same time, appropriately increase the amount of sugarcane planting, the amount of planting under mu is increased from 5000-6000 buds to 7000 buds, and three-bud or four-bud seedlings can be used to improve the drought resistance of seedlings and the yield
of sugarcane.
Fourth, increase the depth of
planting.
The depth of the excavated cane trench can be increased to 30 cm, making full use of the moisture in the deep soil to increase the thickness of the cane seed cover to 8-10 cm, reducing water evaporation and improving water utilization
.
planting.
The depth of the excavated cane trench can be increased to 30 cm, making full use of the moisture in the deep soil to increase the thickness of the cane seed cover to 8-10 cm, reducing water evaporation and improving water utilization
.
5.
Implement mulch film covering
.
Mulch cover the cane planting in winter and spring, and after planting the soil under the sugarcane, the soil is sealed with herbicide, and then covered with mulch, the film should be tightened, straightened, and tightly attached to the soil surface to ensure that the exposure surface is more than
20 cm.
Implement mulch film covering
.
Mulch cover the cane planting in winter and spring, and after planting the soil under the sugarcane, the soil is sealed with herbicide, and then covered with mulch, the film should be tightened, straightened, and tightly attached to the soil surface to ensure that the exposure surface is more than
20 cm.
