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稀土是一种新型微肥,有明显的增产和优化品质的作用,正广泛应用于多种作物上。上海市奉贤县农技中心,用“常乐”为主料的稀土营养液处理西瓜,三个试点共36个小区试验结果,比对照(喷清水)平均增产15.4%。其中以西瓜苗后期(移栽前4～5天)、出藤期、盛花期分别喷洒一次RE—3的300ppm稀士营养液的产量最高,增产率达21.6%。西瓜果实还原糖含量平均为
Rare earth is a new type of fertilizer, a significant increase in production and optimize the quality of the role, is widely used in a variety of crops. Shanghai Fengxian County Agricultural Technology Center, with “Changle” as the main material of rare earth nutrient solution watermelon, a total of 36 plots of three pilot test results than the control (spray water) an average increase of 15.4%. Among them, the yield of 300ppm Raffles nutrient solution sprayed with RE-3 in the late stage of watermelon (4 to 5 days before transplanting) was the highest, yielding 21.6%. Watermelon fruit reducing sugar content average