Affected by factors such as summer ripening, late feeding, unbalanced water supply in paddy fields, and diversification of planting methods, this year's rice planting period in the province is generally delayed by 7 to 10 days, and the planting period is significantly elongated. The proportion of seedlings transplanted into the plots increased, the transplanted planting wounds increased, and the live-planting period increased after planting. The leaf age and the population of stems and stems were all lower than the same period of previous years. According to the investigation on the planting system of the entire province on July 1, the average leaf age of rice was 0.5 to 1.5 times smaller than the average, and the average number of stems per mu was less than 10,000 to 50,000. The growth rate of the leaves and tillers was significantly lower than in previous years. All localities should, in response to the current situation of the seedlings, strengthen the guidance for the classification of seedlings and accelerate the transformation and upgrading of the seedlings.
The first is the scientific application of manure and promotes the long and long delivery time. According to the characteristics of the seedlings of different planting patterns, the application strategy of tiller fertilizers was adjusted. For the late-planting rice transplanting machine, adopt the “eat less and more meals†fertilization method. Generally, 5 to 7 days after planting, the first sub tillage fertilizer is applied to combine with nitrogen fertilizer; about 15 days after planting. Look at Miao Shi's second sub-fertilizer, mainly phosphorus and potassium compound fertilizer. For transplanting field blocks due to heavy plant injury, late seedling emergence, insufficient basic seedlings, or emergence of stiff seedlings, it is necessary to make early supplements and reapply once-off tiller, using urea 7.5 kg per acre or compound fertilizer 20 kg, while spraying. Anti-freezing seedlings series of biochemical products. For the suitable period of transplanting, basal fertilizer is more than adequate, hand-planted rice and thrown glutinous rice with good seedlings after planting, with a small amount of nitrogen fertilizer to catch the yellow pond, promote balance, the top-dressing fertilizer according to the situation. For the large amount of straw returned to the field, due to decomposition of straw nitrogen consumption, should increase the proportion of nitrogen fertilizer application at the tillering period. For late-seeding direct-seeded rice fields, after applying Qi Miao and promoting early-stage application of fertilizer, urea of ​​5-7 kg/m2 is applied at 1 heart stage, and 7- to 10-day-old application of second-time tiller fertilizer, with urea 7.5 to 10 kg/mu. However, the direct seeding field with large seeding volume and basic seedlings needs to reduce total nitrogen and control the amount of fertilizer used in the previous period. The amount of urea per mu used for sub tiller is 7-10 kilograms, which is divided into 2 times to prevent high peak seedlings and worsen the population structure. .
The second is to scientifically manage water slurry and promote the coordinated development of individual groups. The general requirement for delivery during the delivery period is to maintain a shallow layer of water and promote early delivery. Afterwards, according to the group dynamics, timely control of seedlings will be put in place. For the small seedling machine insert rice, after the live tree should be shallow water ground irrigation, the water layer should be 3 cm, dry naturally and then water. For dumplings and hand-cultivated rice in plastic trays, since the quality of seedlings is basically normal and the growth of the population is basically normal after transplanting, the development of the population should be closely watched while promoting the tillering, and dehydration should be started when the number of seedlings reaches 85%. The implementation of a lot of light field. For the straw returning field, it is necessary to do a good job of drainage, field detoxification, detoxification and detoxification. In the returning green period, the combined application of the first sub tillage fertilizer shall be completed. After the field is dried naturally, the field will be re-irrigated for 2 to 3 days to enhance Soil permeability, accelerate the occurrence and growth of tillers. For the late-seeded direct-seeded rice, we must keep the fields dry, wet, and damp, and the fields are not white, so that it is sunny and full of ditch water, cloudy and semi-guttery water, and rainy days drain water; after rooting and standing, we insist on moist irrigation. A shallow water layer was established after 3 leaves. After the 6-leaf stage, the dehydration began to depress lightly, and the plant could not be re-placed. From the 8th to the 9th-leaf stage, the first light-heavy method was adopted, and the number of days in the water-free layer was gradually increased, and the ineffective delivery was steadily reduced.
The third is scientific disaster prevention and reduction to promote the safe growth of rice. We must do a good job in the supporting work of the rice field ditch system, clean up and dredge farmland inside and outside the three ditch, ensure that energy can be discharged, and improve the ability to resist disasters.
There are many folk names for Chinese wolfberry, such as Gouqizi, wolfberry red fruit, beet, western wolfberry, dog milk, red green pepper, wolfberry hoof, wolfberry fruit, ground bone, wolfberry eggplant, red eardrop, blood wolfberry, wolfberry bud, wolfberry bean, blood wolfberry, wolfberry. In the main producing area of Lycium barbarum in Ningxia, in Zhongning County of Ningxia Province, farmers are used to call Lycium barbarum as "tz", which is terrestrial Tribulus terrestris. This is because the wild wolfberry is similar to the Tribulus terrestris, often mixed for firewood, in the folk "Ci" as the common name of wolfberry.
Epimedium brevicornu Maxim.) is a perennial herb with 20-60 cm height, short rhizome, dark brown, double-triple basal and stem-forming leaves, long petioles, small leaves, papery or thick paper, prickly-toothed margins, white or yellowish flowers, flowering period from May to June, and fruit period from June to August.
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