Effects of Different Colored Plastic Mulch and Calcium Cyanamide Treatment on the Growth of Greenhouse Lettuce and Soil Fertility
WANG Lingyu
QIAN Xiaoqing
PAN Guoyun
ZHANG Shengnan
ZENG Xiaoping
Abstract：To determine the effects of different mulch colors and lime nitrogen treatments on the growth and development,yield,quality,and soil fertility of greenhouse lettuce,'Hongjianye'lettuce was used as the experimental material.A two-factor randomized block design was employed,with two mulch colors(silver and black)and three fertilizer treatments(conventional fertilization,greenhouse disinfection without fertilization,and greenhouse disinfection with balanced fertilization)resulting in six treatments.Plant botanical traits,yield,quality and soil properties were investigated and analyzed.The results showed that using fumigation disinfection+balanced fertilization with silver-colored mulch could reduce soil salinity,increase organic matter and total nitrogen content,and promote lettuce growth.yielding the highest output of 2 450.11 kg/667 m2,which was 34.53％higher than conventional fertilization with silver mulch,and 12.27％higher than the same fertilizer treatment with black mulch.It also increased the total protein content and vitamin C content of the lettuce.These results could provide some reference for the management of continuous cropping obstacles in protected vegetable production and autumn and winter lettuce production in the Rudong region.
Keywords：Colored plastic mulchcalcium cyanamidecontinuous cropping obstacleslettucegrowth and developmentsoil fertility
Publication Date：2025-11-30
Online Publishing Date：2026-08-28(First online date of this platform, not the publication date of the document)
Pages：5( 83-87 )