以"魁冠108"番茄为试验材料,对比研究了外置式和内置式秸秆生物反应堆在秋延后番茄生产过程中对日光温室内CO2浓度、空气相对湿度、空气饱和水汽压差以及番茄生长和光合性能的影响.结果表明:与对照相比,晴天9:30—11:30和14:30—15:00外置式秸秆生物反应堆温室内CO2浓度平均提高了207.3和103μmol·mol-1,差异显著;晴天9:30-11:30内置式秸秆生物反应堆温室内CO2浓度平均提高了19.0μmol·mol-1;外置式和内置式秸秆生物反应堆促进了番茄株高生长,使植株提早开花,显著提高了番茄净光合速率、单株产量及单位面积产量,显著降低了营养生长期和结果期的蒸腾速率.与内置式相比,外置式秸秆生物反应堆更适合在日光温室秋延后生产中推广应用.
Taking the tomato (Solanum lycopersicum) cultivar "Kuiguanl08" as test object, a com- parative study was made on the effects of outer type and built-in type straw bio-reactors .on the CO2 concentration, air relative humidity , air vapor pressure deficit in the solar greenhouse during the tomato growth over autumn-delayed cultivation as well as the effects of the bio-reactors on the tomato growth and photosynthetic performance. As compared with that in CK, the average CO2 concentra- tion in the greenhouse with outer type straw bio-reactor at 9:30-11:30 and 14:30-15:00 on sunny days was increased significantly by 207.3 and 103 μmol . mol-1 , respectively, and the ave-rage CO2 concentration in the greenhouse with built-in straw bio-reactor at 9 : 30-11 : 30 on sunny days was raised by 19.0 μmol . mol-1. Both the outer type and the built-in type straw bio-reactors pro- moted the tomato plant height growth and early flowering, enhanced the plant net photosynthetic rate and the yield per plant and per the stages of vegetative growth built-in type straw bio-reactor, unit area significantly, and decreased the plant transpiration rate at and fruit- bearing significantly. Nevertheless, as compared with outer type straw bio-reactor was more suitable for the autumn- de-layed cuhivation of tomato in solar greenhouse.