At present, winter wheat in the Huang-Huai-Hai region has matured from south to north, and the main wheat-producing areas such as Henan and Anhui have entered the concentrated harvest period. In most areas, the maturity of winter wheat is earlier than usual, and there is more precipitation in the near future. The soil moisture is generally better, which is conducive to sowing and emergence of summer maize. In response to the current climatic conditions and production practices, the Agricultural Experts Group of the Ministry of Agriculture and Rural Affairs, together with the National Agricultural Technology Extension Service Center, formulated technical guidance on the production of summer maize in Huanghuaihai. Scientific selection of good varieties. Scientifically select corn varieties that are suitable for local planting, such as tolerance to drought, drought and water, disease and insect resistance, high yield and stability, and reasonable maturity. For areas and plots where grain is directly harvested, corn varieties with relatively mature maturity, good lodging resistance, and fast dehydration of grain should be used. For the cultivation of silage corn, high-quality special-purpose or grain-fed general-purpose fine corn varieties with suitable growth period, high biological yield, good silage quality, disease resistance and resistance to reversal should be selected. Planting fresh corn should choose high-quality corn varieties with good market, good quality, suitable maturity, high yield and stable yield, and resistance to disease and stress. At the same time, pay attention to the use of high-quality coated seeds with high germination rate, strong vigor and suitable for single-grain sowing. Pay attention to the quality of the seeding. First, grab the time and broadcast early. Grasping the favorable opportunity of better soil moisture in the near future, the summer wheat is harvested in time after harvesting. Mid-central efforts are to be completed before June 15 and in the north by June 20. Between the different types of sweet corn, waxy corn and sweet glutinous rice in fresh corn, and between ordinary grain corn and other types of corn, string powder should be avoided to affect product quality. In the plain areas where there is no natural isolation, different types of corn should be more than 300 meters apart, or the wrong seeding method should be adopted. The sowing period should be about 25 days apart. The second is mechanical fine broadcasting. Grain corn and silage corn can be used for single-grain precision seeding live broadcast, 60 cm and other row spacing planting, pay attention to seed fertilizer isolation, avoid burning seedlings, ensure seedlings, seedlings, seedlings, and seedlings. Fresh corn should be ensured that the bottom is good, suitable for shallow sowing, fine sowing. The third is reasonable density. The appropriate planting density is determined according to the characteristics of the variety and the production conditions. Grain corn generally has about 4,500 seedlings per mu, and the density and high-yield fields can increase the density appropriately; the silage corn generally has about 5,000 mu seedlings, and the fresh corn is usually 3,000 to 3,500 mu. Strengthen field management. One is chemical weeding. The wheat stalk live corn can be applied to the herb after the emergence of the corn, and the dosage form, concentration, use time and use method of the herbicide should be noted to avoid phytotoxicity. No wheat stubble plots can be chemically blocked and weeded in time before sowing. The second is reasonable fertilization. Scientific fertilization is carried out according to the production target, soil fertility, etc., and the conditional areas can be used for balanced fertilization of soil testing formula. The former glutinous wheat straw returning field is mainly based on nitrogen fertilizer, with a certain amount of potassium fertilizer, and supplemented with appropriate amount of micro-fertilizer. Among them, 1/3 of nitrogen fertilizer and all potash fertilizer and micro-fertilizer were applied in the lateral application at the time of sowing, and the remaining 2/3 of the nitrogen fertilizer was applied deep in the mechanical ditch side before and after the small bell mouth period (about 10 cm deep). In the flowering stage, nitrogen fertilizer can be supplemented according to plant growth and nutrient requirements. The third is water management. Make full use of natural precipitation and improve water use efficiency. At present, the soil moisture in the Huang-Huai-Hai area is good, which is conducive to summer corn planting. For plots with insufficient soil moisture, it is necessary to fill the “Mengtou Water†in time. If the key growth period is severely affected, water-saving irrigation can be moderately carried out. In case of heavy rain during the seedling period, it is necessary to drain in time to prevent buds and nurseries. Do a good job in pest control. In the seedling stage, weeding and spraying insecticidal and ovicidal agents are combined to control the residual pests of the two-pointed moth, gray planthopper, and thrips on the wheat aphid. According to the forecast of the National Agricultural Technology Extension Service Center, the three generations of corn borer occurred in most of the Huanghuaihai area this year. The second and third generations of armyworms were moderately occurring and the Huanghuai area was moderately heavy. It is necessary to pay close attention to the occurrence of pests and strengthen prevention and control. . In order to ensure food safety, fresh corn should be selected as resistant to pests and diseases as possible, and biological control techniques (such as Trichogramma, Beauveria bassiana) or biological pesticides should be used to prevent and control panicle pests such as corn mash and reduce the use of chemical pesticides. In addition, for areas with high planting density, overgrown plots, and wind-prone areas, plant growth regulators can be applied before and after jointing to increase the lodging resistance of plants, pay attention to chemical concentration and spraying time, and avoid Heavy spray or leak spray. Appropriate mechanical harvest . For grain corn, under the condition of not affecting the sowing of the lower glutinous wheat, the grain filling process and the grain milk line condition are suitable for late harvest. After harvesting the ear or collecting the grain directly, dry it or dry it in time to prevent mildew. Fresh corn is generally in the suitable harvest period about 20 days after pollination. The optimum harvesting period of special silage corn is from the end of maturity to the early stage of waxy maturity. The position of the milk line of the grain is used as the criterion. The milk line is harvested at 1/2 to 2/3, and the whole plant silage is processed in time. (Source: Ministry of Agriculture and Rural Information Office) A juicy, tender steak is aperfect steak experience,but the absence of a sharp,handy knife can really spoil the wxperience.We can provide customers all over the world with the best quality and comfortable bakelite handle Steak Knives,also we can customize different steak knives according to the living habits of different countries. Serrated Steak Knives,Serrated Steak With Bakelite Handle,Rivet Bakelite Handle Steak Knife,Bakelite Handle Steak Knife HONG TAO KITCHEN INDUSTRY CO.,LTD , https://www.htkitchenware.com