In addition to nitrogen, phosphorus and potassium fertilizers, pay attention to calcium and boron fertilizers. The production of 1,000 kilograms of cherry tomatoes requires 3.85 kilograms of pure nitrogen, 1.15 kilograms of phosphorus pentoxide, and 4.44 kilograms of potassium oxide. Before planting, 5000 kg of organic fertilizer per mu, 200 kg of biological organic fertilizer, 50 kg of urea, 30-50 kg of superphosphate, 40 kg of potassium sulfate, 100 kg of calcium fertilizer and 1.5 kg of borax. Generally when the first fruit begins to swell, it can be topdressed for the first time, with 5 kg of pure nitrogen per acre and 6 kg of potassium oxide. The second time the top dressing was harvested at the first time, and when the second ear was swollen, 5 kg of pure nitrogen per mu and 6-7 kg of potassium oxide were applied. The third dressing is harvested in the second ear, and when the third ear is swollen, 4 kg of pure nitrogen per mu and 5-6 kg of potassium oxide are applied.
Product categories of KN95 Protective Masks, we are specialized manufacturers from China,Anti Coronavirus Kn95, Anti Coronavirus Ffp2 Kn95 Mask suppliers/factory, wholesale high-quality products of Coronavirus Face Mask N95 R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!
Anti Coronavirus Kn95,Anti Coronavirus Ffp2 Kn95 Mask,Covid-19 Protect Kn95 Mask,Coronavirus Face Mask N95
Changsha City Kangbojia Medical Supplies Co., Ltd. , https://www.kbjmedical.com