Soil elements: soil ammonium nitrogen, soil available phosphorus, soil available potassium, soil nitrate nitrogen, soil hydrolyzed nitrogen, soil total nitrogen, soil total phosphorus, soil total potassium, soil organic matter (hilling method), soil organic matter (extraction method) method), soil calcium, soil magnesium, soil sulfur, soil silicon, soil boron, soil iron, soil copper, soil manganese, soil zinc, soil chlorine, soil lead, soil arsenic, soil chromium, soil chromium, soil mercury, soil molybdenum , soil nickel, soil aluminum, soil fluorine, soil titanium, soil selenium.
Fertilizer elements: ammonium nitrogen in nitrogen fertilizer, nitrate nitrogen in fertilizer, urea nitrogen, biuret, phosphorus in phosphate fertilizer, water-soluble phosphorus in phosphate fertilizer, potassium in potash fertilizer, total nitrogen in compound fertilizer, total phosphorus in compound fertilizer, total potassium in compound fertilizer, Organic fertilizer total nitrogen, organic fertilizer total phosphorus, organic fertilizer total potassium, organic fertilizer nitrate nitrogen, organic fertilizer available phosphorus, organic fertilizer available potassium, organic fertilizer acid hydrolysis nitrogen, organic matter, water-soluble humic acid (weathered coal), water-soluble Humic acid (lignite), water-soluble humic acid (peat), free humic acid (weathered coal), free humic acid (lignite), free humic acid (peat), water-soluble fertilizer total nitrogen, water-soluble fertilizer total phosphorus, water-soluble fertilizer total potassium , foliar fertilizer total nitrogen, foliar fertilizer total phosphorus, foliar fertilizer total potassium, water nitrogen, water phosphorus, water potassium, water nitrogen (turbid), water phosphorus (turbid), water potassium (turbid), fertilizer calcium, fertilizer Magnesium, Fertilizer Sulfur, Fertilizer Silicon, Fertilizer Boron, Fertilizer Iron, Fertilizer Copper, Fertilizer Manganese, Fertilizer Zinc, Fertilizer Chlorine, Fertilizer Lead, Fertilizer Arsenic, Fertilizer Chromium, Fertilizer Cadmium, Fertilizer Mercury
Crop elements: crop nitrate nitrogen, crop ammonium nitrogen, crop phosphorus, crop potassium, crop calcium, crop magnesium, crop sulfur, crop silicon, crop boron, crop iron, crop copper, crop manganese, crop zinc, crop chlorine
Plant elements: plant total nitrogen, plant total phosphorus, plant total potassium
Soil environment: soil moisture, soil temperature, soil pH, soil salinity
Post time: Aug-31-2022