共查询到20条相似文献,搜索用时 78 毫秒
1.
戈壁日光温室西葫芦—菜豆有机生态型无土栽培技术 总被引:1,自引:0,他引:1
《中国蔬菜》2020,(11)
正甘肃酒泉以有机生态型无土栽培为主推技术,利用戈壁日光温室进行西葫芦—菜豆(架豆)生产,该模式共生产3茬蔬菜,每667 m2总产量达32 000 kg,产值8.14万元,较常规单一栽培西葫芦增收28%。目前该模式已成为酒泉市戈壁日光温室蔬菜的主要生产模式之一。近10年来,甘肃省酒泉市依托中国农业科学院蔬菜花卉研究所、甘肃省农业大学、甘肃省经济作物技术指导站等科研院所的技术力量,充分发挥有机生态型无土栽培技术优势,将戈壁、石滩、 相似文献
2.
3.
近年来,山东省定陶县充分利用当地自然资源,在部分无公害蔬菜生产基地示范推广大棚早春西葫芦—夏萝卜—秋番茄一年三熟连茬栽培模式,实现了一年三种三收,每667m^2西葫芦产量4000kg,产值5000元;萝卜产量2000kg,产值3000元;番茄产量5000kg,产值5000元,年总产值1.3万元,经济效益显著,值得推广,现将该种植模式总结如下。 相似文献
4.
5.
广西富川瑶族自治县采用早稻—包心芥菜—红莴笋—红莴笋轮作模式,每667 m2产值达13 250元,不仅土地利用率高、效益好,而且解决了蔬菜连作导致的土壤障碍和病虫草害加重的问题,实现了水稻和蔬菜生产的可持续发展。 相似文献
6.
7.
甘肃庆城地处陇东东北部,海拔1 000~1 600m,年降雨量450~550 mm,属于典型的旱地蔬菜种
植区域。以全膜垄沟覆盖为核心的集雨保墒技术在蔬菜生产中得到了广泛的应用,解决了蔬菜生产受制于水而产量不高、商品率低的问题,扩大了旱地蔬菜生产区域,使得特色蔬菜产业不断发展,其技术水平也在不断提高。经过试验研究,探索出旱地全膜垄沟甜玉米—甘蓝—辣椒一膜多茬免耕栽培技术。平均每667 m2 甜玉米鲜穗产量1 600 kg,产值4 200元;甘蓝3 200 kg,产值1 280 元;鲜椒2 800 kg,产值5 600 元,一膜三茬总产值可达11 080 元,与一膜一茬蔬菜相比,每667 m2 减少地膜、耕作成本360元,产值增加6 008 元;与一膜两茬比较每667 m2 减少地膜、耕作成本280 元,产值增加4 000 元。 相似文献
8.
9.
正导读:浙中地区采用大棚早熟西葫芦—菜豆一年二熟绿色高效栽培模式,开展西葫芦越冬栽培,上市期早,病虫害少,消费者喜欢,效益较好,667 m2产量5 000 kg以上,产值1.0万~1.2万元,利润0.8万~1.0万元;秋菜豆上市正逢高山菜豆落市,效益不错,667 m2产量2 400 kg以上,产值1.2万~1.4万元,利润0.9万~1.1万元。 相似文献
10.
11.
12.
AIM:To establish a fast, accurate and economical technique for culturing mouse pulmonary arteriolar smooth muscle cells (PASMCs), and to explore the effects of hypoxia on the proliferation and apoptosis of the PASMCs. METHODS:In sterile condition, the pulmonary artery was isolated from the male BALB/c mice by digesting with collagenase I, and the cells were cultured in fetal bovine serum-coated flask. Centrifugal procedure was not used during the cell passage. The cell morphology was observed under an inverted phase-contrast microscope. α-Smooth muscle actin was identified by immunocytochemistry and immunofluorescence. The effects of hypoxia on the proliferation and apoptosis of the PASMCs were detected by CCK-8 assay and TUNEL assay. RESULTS:PASMCs were identified by the methods of immunocytochemistry, immunofluorescence staining and observation of morphology. Unlike the rat PASMCs with typical subcultured peak-vally pattern, the mouse PASMCs showed a lot different without a peak-vally pattern. The cells could be subcultured after 5 d to 7 d and there was 3 to 5 generations depending on the activity of the cells. CCK-8 assay demonstrated that the A values of PASMCs exposed to hypoxia increased after 24 h (P<0.05) as compared with normoxia. TUNEL result showed that the apoptotic index of the PASMCs in hypoxia decreased after 24 h (P<0.05). CONCLUSION:This technique for obtaining cultured mouse PASMCs is simple, fast, accurate and economical. The digestion time is easy to control. Hypoxia promotes the proliferation and inhibits the apoptosis of PASMCs. 相似文献
13.
小檗碱和壳聚糖抗蔬菜病原真菌活性测定及复合膜制备 总被引:2,自引:0,他引:2
研究了小檗碱和壳聚糖对几种常见蔬菜病原真菌的抑制活性,以及以小檗碱和壳聚糖为主料制备复合膜的方法,并测定了该膜的药物释放效果。试验表明:低浓度(0.234 mg/mL)小檗碱即可抑制辣椒炭疽病菌(Vermicularia capsici)等5种蔬菜病原真菌的生长。20 mg/mL浓度壳聚糖对番茄灰霉病菌(Botrytis cinerea)的抑制率高达65%,而对其余4种果蔬病原真菌也有一定的抑制作用。为了集成这2种天然化合物的优点,制备了小檗碱-壳聚糖复合膜,该膜具有缓释功能,在模拟外部环境(磷酸缓冲液,pH 6.8)条件下,20 d小檗碱累计释放率接近25%,提示其在果蔬贮藏抗菌中的应用价值。 相似文献
14.
钾肥在小白菜和萝卜上的施用效果 总被引:6,自引:0,他引:6
采用盆栽试验方法研究了施用钾肥对小白菜、萝卜生长发育、产量、品质及钾素含量的影响。结果表明 ,施用钾肥对小白菜和水萝卜的株高、叶片数无显著的影响 ,但可提高水萝卜块根的产量 ,提高幅度为 31.0 4 %~ 97.93%。施用钾肥可提高小白菜和萝卜的蛋白质和VC含量 ,降低硝酸盐含量 ,增加植株的钾素含量 相似文献
15.
Fresh onion seeds desiccated to 6.0% seed moisture content (SMC) were stored in various packaging materials under different storage conditions. Seeds packed in aluminum-laminated pouches beside those stored with silica gel at 25 °C maintained satisfactory germinability and vigour after 12 months. Desiccated seeds stored in moisture impervious containers produced more vigourous seedlings. Germination potential of onion seeds increased with reduced SMC besides storage in moisture impervious packets along with desiccants as physiological and biochemical attributes are regulated. Seed viability and vigour decreased with accelerated ageing due to increased lipid peroxidation, decreased activities of several free radical and peroxide scavenging enzymes. Electrical conductance of seed leachates also increased with ageing. Thus, adoption of appropriate storage temperature and moisture control techniques would significantly affect onion seed quality, which was due to minimum accumulation of free peroxide radicals and enhanced activity of free radical scavenging enzymes. 相似文献
16.
17.
18.
大棚葡萄种植过程中,容易产生多种病虫害,如黑痘病、炭疽病等。针对当前山西省大棚葡萄的种植情况,本文分析了大棚葡萄常见的病虫害,重点阐述了病虫害防治技术,如物理防治、化学防治、农业防治、生物防治等,为大棚葡萄病虫害的科学防治提供参考。 相似文献
19.
云南红河州泸西县为云南重要的苹果新产区,调查鉴定泸西县苹果病虫害的发生情况,对泸西县的苹果病虫害防控,苹果产业发展具有重要意义。本研究系统调查和鉴定了云南红河州泸西县向阳乡习峨村、三塘乡、向阳乡沙马村等3个苹果产区的病虫害。通过室内病原显微观察,对真菌病原进行形态鉴定,应用RT-PCR检测技术与测序鉴定病毒,害虫形态鉴定。最终结果表明:云南泸西苹果病虫害共8种,其中真菌病害3种,有斑点落叶病、枝干轮纹病、褐斑病;病毒病害2种,有苹果茎沟病毒病、苹果花叶病毒病;虫害3种,蚜虫、蓟马和金纹细蛾3种虫害。其中斑点落叶病和褐斑病为主要病害,病毒病害其次,虫害发生率较小。其次通过调查与鉴定,否定了危险性病害苹果炭疽叶枯病在云南泸西的存在。 相似文献
20.