Key Technical Points and Detailed Methods of Foliar Fertilization
Do not spray in extremely hot weather or before rain, so as to avoid burning the seedlings or losing fertilizer nutrients. The best time to spray is in the early morning or afternoon each day, and after spraying, wait 7-10 days before spraying again. When spraying on cereal crops or crops with smooth leaves, add 0.1% adhesive (such as laundry detergent or dish soap), etc. Otherwise, the effect...
In recent years, in order to increase crop yields, people have continuously increased the amount of chemical fertilizer applied to the soil. However, once soil fertilizer application reaches a certain amount, its effectiveness declines, and it is very difficult to significantly increase yields. Therefore, attention must be paid to foliar fertilization. The application of foliar fertilizer is an effective way to improve crop yield and quality, and is an important means of balanced fertilization. 1 Advantages of Foliar Fertilization
1.1 Foliar fertilization can quickly supplement the nutrients needed by crops during their growth period, and plays an important role in addressing certain nutrient deficiency symptoms in crops or in timely rescue after natural disasters.
1.2 Foliar fertilization can enhance the metabolic capacity within crops and promote nutrient absorption by roots. Especially in the later stages of crop growth, when roots age and their absorption capacity weakens, timely foliar fertilization can prevent crop nutrient depletion and premature aging, which would otherwise reduce yield.
1.3 Foliar fertilization is not affected by soil factors, has a high fertilizer utilization rate, and its efficiency is 6-20 times that of soil fertilization.
1.4 The application amount is small, making it both economical and highly efficient. The general dosage for foliar fertilization is 10%-20% of the dosage for soil fertilization, yet its fertilizer effect is several times higher than that of soil fertilizer, which can greatly reduce fertilizer investment.
1.5 Foliar fertilization can avoid groundwater pollution caused by the leaching of large amounts of chemical fertilizer applied to the soil.
2 Foliar Topdressing Fuer 655 is composed of plant growth regulators, major elements, various trace elements and humic acid, etc. It acts quickly, has low cost and remarkable effects. It is suitable for various crops. Spray with a 400-600 times dilution 2-3 times, and it can increase yield by 10%-20%.
3 Key Technical Points
3.1 The spray volume for foliar fertilizer should be such that the leaves are wet but not dripping.
3.2 Cloudy days or evening after sunset are the best times for foliar spraying.
3.3 Application periods: For soybean, apply once each at the initial flowering stage, pod-setting stage and seed-filling stage. For corn, spray once each at the seedling stage and jointing stage. For wheat, spray once each at the booting stage and initial flowering stage. For rice, spray once each at the seedling stage, young panicle differentiation stage and booting stage.