Crop Quality and application fertilizer Blossom end rot occurs when Cat levels are low. High levels of NH4, Mgt, or K may interfere with Cazt uptake by the plant ah state
Plant Nutrition and Fruit Quality “Blossom end rot” occurs when Ca2+ levels are low. High levels of NH4 + , Mg2+, or K+ may interfere with Ca2+ uptake by the plant. Crop Quality and application fertilizer
Fertilizers and Fertilization Techniques Fertilizer- A fertilizer is a chemical product either mined or manufactured material containing one or more essential plant nutrients that are immediately or potentially available in sufficiently good amounts Soil amendment or conditioner土壤调理剂- material used to alter the physical properties of the soil. Examples include . Lime(Caco3) is used to raise the soil ph .Gypsum(CasO4 2H20) used to improve soils with a high exchangeable Na content Elemental sulfur(S) is used to lower the soil ph
Fertilizer – A fertilizer is a chemical product either mined or manufactured material containing one or more essential plant nutrients that are immediately or potentially available in sufficiently good amounts. Soil amendment or conditioner 土壤调理剂 – material used to alter the physical properties of the soil. Examples include: •Lime (CaCO3 ) is used to raise the soil pH •Gypsum (CaSO4 •2H20) used to improve soils with a high exchangeable Na content. •Elemental sulfur (S) is used to lower the soil pH Fertilizers and Fertilization Techniques