Autumn apple fertilization
1. An orchard with a yield of over 4500 kg per mu: nitrogen fertilizer (N) 25 to 40 kg/mu, phosphate fertilizer (P2O5) 10 to 15 kg/mu, potassium fertilizer (K2O) 20 to 30 kg/mu. 2. Orchards with a yield of 3,500 to 4,500 kilograms per mu: nitrogen fertilizer (N) 20 to 30 kg/mu, phosphate fertilizer (P2O5) 8 to 12 kg/mu, potassium fertilizer (K2O) 15 to 25 kg/mu. 3. Orchards with a yield of less than 3,500 kg per mu: nitrogen fertilizer (N) 15 to 25 kg/mu, phosphate fertilizer (P2O5) 6 to 10 kg/mu, potassium fertilizer (K2O) 15 to 20 kg/mu. Early-maturing varieties, or orchards with less fertile soil, or with a small age, or strong tree vigor, have organic fertilizers of 2-3 square feet/mu; late-maturing varieties, or soils with thin soil, or large trees, or weak tree vigor, apply organic fertilizers. 4 square meters/mu. An orchard that lacks zinc, boron, and calcium in the soil and applies zinc sulfate 1 to 1.5 kg/mu, borax 0.5 to 1.0 kg/mu, and calcium nitrate 30 to 50 kg/mu. After mixing with organic fertilizer, it will be used in mid-September to 10 Mid-monthly application (as soon as possible after the late-maturing varieties are harvested); sulphur-containing orchards should be selected from sulphur-containing fertilizers such as ammonium sulphate, potassium sulphate, superphosphate, etc. Sulfur can also be suitably applied. Fertilizers are applied in 2 to 3 applications (3 late-maturing varieties), for the first time from mid-September to mid-October (as early as possible after late-maturing varieties are harvested). Nitrogen, phosphorus, and potassium are used as organic fertilizer and silicon-calcium-magnesium fertilizer. With the application, increase the proportion of nitrogen and phosphorus fertilizers; the second time before and after fruit bagging at the beginning of June, according to the situation of leaving fruit, nitrogen, phosphorus and potassium should be used in combination to increase the amount of potassium fertilizer; the third time from late July to mid-August, according to Rainfall, tree vigor and yield conditions were carried out in a small number of ways, mainly with potash fertilizer and with a small amount of nitrogen fertilizer. 1000Hz High Frequency LiDAR System JRT High Frequency Range LiDAR Sensor is 2021 new product, that's a low-cost tof sensor but High frequency (up to 1000Hz). With 5cm high accuracy, the LiDAR Module can measure 80m.
Chengdu JRT Main Ranging Modules: Industrial Laser Distance Sensor, Laser Distance Meter Module, Tof LiDAR Sensor. Chengdu JRT Meter Technology Co., Ltd , https://www.cdlaserdistancesensor.com
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* Invisible laser design: the laser type is 905nm,Class I
* High Frequency: 1000hz/1khz
* Low power design
