1. 宁夏大学土木与水利工程学院,银川,750021
2. 宁夏节水灌溉与水资源调控工程技术研究中心,银川,750021
3. 旱区现代农业水资源高效利用教育部工程研究中心,银川,750021
[ "陈华斌(1993-),男,硕士研究生,主要从事节水灌溉理论与技术研究。E-mail:2502166235@qq.com" ]
纸质出版:2021
移动端阅览
陈华斌, 田军仓, 李王成, 等. 基于水肥耦合的滴灌西兰花光合-产量-品质试验及综合评价[J]. 水土保持学报, 2021,35(6):235-242.
CHEN Huabin, TIAN Juncang, LI Wangcheng, et al. Experiment and Comprehensive Evaluation of Photosynthesis, Yield and Quality of Broccoli Under Drip Irrigation Based on Water and Fertilizer Coupling[J]. 2021, 35(6): 235-242.
陈华斌, 田军仓, 李王成, 等. 基于水肥耦合的滴灌西兰花光合-产量-品质试验及综合评价[J]. 水土保持学报, 2021,35(6):235-242. DOI: 10.13870/j.cnki.stbcxb.2021.06.032.
CHEN Huabin, TIAN Juncang, LI Wangcheng, et al. Experiment and Comprehensive Evaluation of Photosynthesis, Yield and Quality of Broccoli Under Drip Irrigation Based on Water and Fertilizer Coupling[J]. 2021, 35(6): 235-242. DOI: 10.13870/j.cnki.stbcxb.2021.06.032.
研究膜下滴灌条件下,不同水肥组合对西兰花光合、产量、水肥利用效率及品质的影响,并建立西兰花产量—品质与水肥因素的回归模型及主成分综合评价体系,寻求西兰花最优的灌水量和施肥量组合,为西兰花高效节水灌溉提质增效提供技术依据。以西兰花为试验作物,采取膜下滴灌的灌溉方式,采用二因素三水平随机区组试验设计。灌水量设置3个水平,分别为1 740,2 175,2 610 m3/hm2,施肥量设置3个水平,分别为1 200,1 500,1 800 kg/hm2,共9个处理。结果表明:在生育期降水量为20.8 mm,灌水量为2 610 m3/hm2,施肥量为1 800 kg/hm2,西兰花的产量及品质最好,综合评价得分也最高,说明高水高肥处理下最有利于西兰花的生长,是适宜本地滴灌西兰花的灌溉施肥制度。
The effects of different water and fertilizer combinations on the photosynthesis
yield
water and fertilizer use efficiency and quality of broccoli under drip irrigation were studied. The regression model and principal component comprehensive evaluation system of yield quality and water and fertilizer factors of broccoli were established to seek the optimal combination of irrigation amount and fertilizer amount
so as to provide technical basis for improving the quality and efficiency of efficient water-saving irrigation of broccoli. Taking broccoli as the experimental crop
drip irrigation under mulch was adopted
and two factors and three levels randomized block experiment design was adopted. The irrigation amount was set at three levels
which were 1 740
2 175
2 610 m3/hm2
and the fertilization amount were 1 200
1 500
1 800 kg/hm2. There were nine treatments. The results showed that in the growth period
the precipitation was 20.8 mm
the irrigation amount was 2 610 m3/hm2
and the fertilization amount was 1 800 kg/hm2. The yield and quality of broccoli were the best
2 610 m3/hm2 irrigation and 1 800 kg/hm2 fertilization
and the comprehensive evaluation score was also the highest
which indicated that the high water and high fertilizer treatment was the most favorable for the growth of broccoli
and it was a suitable irrigation and fertilization strategy for local drip irrigation of broccoli.
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