1.1 Reduced nitrogen losses and improved nitrogen utilization. Because long carbon contains a kind of latent curing agent, it can promote NH4+ curing on soil colloidal surface after being applied to soil. In addition, the chemical agent itself is a bactericide, inhibits soil nitrifying bacteria, and prevents nitrosation. Forming nitrogen forms, therefore, reduces the volatilization and leaching losses of nitrogen. After determination, the nitrogen utilization rate is as high as 45%, 20-25% higher than that of general carbon, and 10% higher than urea.
1.2 Prolonged fertilizer efficiency and promoted the growth and development of crops. The long-acting ammonium bicarbonate fertilizer has been determined to last for 90-110 days, 60 days longer than ordinary carbon, and more than 30 days longer than urea. According to three years of trials, demonstrations, and promotion, cotton exhibiting long-acting ammonium bicarbonate has advanced from its bud initiation stage, budding period 6-7 days earlier than the control, and flowering stage 7-10 days earlier than the control. The early peaches increased the number of prunes and prunes and increased the yield and quality of cotton. The application of mulching wheat on the mulch, compared with the application of equal amounts of nitrogen and urea, long carbon can make wheat early earing and promote flowering and promote early maturity, heading and flowering 5-7 days earlier than the control.
1.3 Delay aging, increase chlorophyll content, prolong photosynthesis time, and promote dry matter accumulation. As no fertilizer is applied during the whole growth period of crops, artificial damage to crop leaves is avoided, normal photosynthesis of the leaves is ensured, and at the same time, the foot is full and the fertilizer is long. During the whole growth period, the plants show a dark green color and live. Mature. In the experiment, the chlorophyll content of wheat was 1.42% higher than that of the control, the average weight of the single stem was 1.75g ​​at the flag-picking period, and the dry weight of the single stem was 2.54g at the filling stage, 0.06g and 0.13g more than the control, respectively. 1.4 Developed root systems, strong individuals, increased drought resistance, and lodging resistance. Due to the long-term application of long-term carbon as base fertilizer, the objective of deep application was achieved, nitrogen loss was reduced, and roots could be used for the timely absorption and utilization of crops. The demilitarized zone had deep rooted leaves and the ratio of the root volume of wheat was determined to give long carbon. Application of nitrogen and other large urea 15% -25%, secondary root more than 2-4 control, expand the absorption range, so that individuals grow robust, enhanced drought resistance, lodging resistance. It has been proved by experiments that the percentage of spikes per tiller in wheat can be significantly increased, and the number of effective panicles is 11% higher than that of the control. The average corn plant height was 5-10cm higher than that of the control, and the average stem weight was 0.5cm larger than the control; the average fruit branch number per plant of cotton increased by 0.7 compared with the control, and the average plant height increased by 7.2cm compared with the control.
1.5 Increased yield components and increased crop yields. A sufficient amount of nitrogen not only increased the number of effective panicles of wheat, but also satisfied the supply of nitrogen to the late growth stage of the crop, increased the number of grains per panicle, and increased grain weight. After a comparative test, the average number of grains per panicle on wheat was increased by 2-4 grains compared to the control. The average grain weight of 39.8 g was 0.8 g higher than that of the control and the yield was increased by 11.2%; the average number of grains per spike on corn was 675.0 grains, which was 46.2 times higher than the control. The average weight of kernels and kernels was 35.1g, which was 0.1g higher than the control and the average yield of corn was 667m2, which was 781.9kg, an increase of 72.8kg compared with the control 709.7kg, and the yield was increased by 10.3%. The average number of bolls per plant was 0.3 higher than the control on cotton. The boll weight was 0.01g higher than that of the control and the yield was increased by 7%.
2, application technology
2.1 Application techniques on mulching cotton, corn and peanuts.
2.1.1 Soil preparation and basal fertilization. Before sowing, the fields that were poured over the winter irrigation. Every 667m2 is applied to a sufficient amount of high-quality farmyard fertilizer, which can be spread and applied.
2.1.2 ridges to do Taiwan, long carbon. In the middle of the two rows of plants to be sown, the ploughs are used to deepen the furrows 15-20cm deep, and the long-acting ammonium bicarbonate 60-70kg and diammonium phosphate 10kg compost are applied, and then the ridges are plowed and the fertilizer strips are applied in the planting furrows. Finally, scraping soil over Taiwan, repair and preparation for sowing. When sowing, apply fertilizer according to the normal amount of fertilizer, sow, cover soil, and cover the membrane.
2.2 Application on plastic mulch After the crop is harvested, combined with autumn ploughing, mix sufficient amount of farmyard fertilizer and 60-70kg of long-acting ammonium bicarbonate, spread it on the surface, turn it into the ground 20cm deep, and Fine, leveling, sorghum, winter irrigation, to the second year of early spring with film-covering planter sowing time, 667m2 application of fertilizer diammonium 20kg, the whole growth period is no longer fertilizer.
2.3 Application Notes.
2.3.1 When long-acting ammonium bicarbonate is used as top dressing, it should be top-dressed early to prevent the fertilizer effect from being released or causing the crop to become late-maturing.
2.3.2 When long-acting ammonium bicarbonate is used as a basal fertilizer, fertilizer intervals should be applied to prevent burning and seedling burning.
2.3.3 Long-acting ammonium bicarbonate only meets the crop's need for nitrogen, and phosphate fertilizer, potash fertilizer, and trace element fertilizer are still applied as normal.
3, promotion value
3.1 Long-acting ammonium bicarbonate has a significant effect on promoting crop growth, yield, and quality improvement. After three years of experimentation, the field crop yield increased by 6%-12%.
3.2 The long-acting ammonium bicarbonate fertilizer has a long effective period and slowly released nutrients, and it is in good agreement with the crop's fertilizer requirements, and has long-lasting fertilizer effect. It can meet the high yield of crops and stabilize the production of nitrogen. 3.3 Provincial fertilizer. According to 667m2 long-acting ammonium bicarbonate 60-70kg calculation, 667m2 cost 33-39 yuan, while topdressing equal nitrogen urea needs 25kg, 667m2 cost 37-42 yuan, so long-acting ammonium bicarbonate, 667m2 can save fertilizer costs 3-4 yuan .
3.4 Provincial workers. Due to the elimination of top dressing, the intensity of work is reduced, and a great deal of labor and editing power is saved. Generally, 667m2 can save 2-3 man-hours, and 667m2 can save 30-40 man-hours (calculated by 15 yuan per working hour).
3.5 is an ideal fertilizer free of ploughing. Through the cooperation with herbicides, favorable and convenient conditions are provided for cultivating agricultural and mechanized agriculture.
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