高浓度全水溶性肥料普罗丹对番茄产量、品质及土壤的影响

Effects of full water-soluble high-concentration NPK compound fertilizer Plant-prod on yield,quality of tomato and tested soil

高浓度水溶性肥料普罗丹对番茄产量、品质和土壤的影响试验结果表明：施普罗丹肥比等养分量的蔬菜专用肥，番茄增产21．54％～29．61％；单果重、果径、可溶性糖、维生素分别提高9．6％、12．6％、18．9％和22．6％，有机酸降低15．3％。土壤耕层有机质、速效N、P2O5、K2O含量分别增加6．9％、5．2％、9．9％和24．0％。

The influences of Plant - prod fertilzer on yield, quality of tomato and soil were discribed. The results showed that the yield , single fruit weight, fruit diameter, soluble sugar, and vitamin C content of tomato were increased by 21.54% -29.61%, 9.6%, 12.6%, 18.9% and 22.6%g respectively, meanwhile the organic acid content in fruit of tomato was decreased by 15.3 % compared with the compound fertilizer for specific vegetables. The content of organic matter, available N, P2O5, K2O in tested soil were increased by 6.9%, 5.2%, 9.9% and 24.0%.