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杨麦间作的密度配置和行向 总被引:1,自引:0,他引:1
对晋南杨麦间作地的林木因子和小麦产量进行回归分析,结合目前生产水平,提出了不同间作形式下的杨树生长量和小麦产量的关系。认为保持树高和行距相等、株距为树高的1/3~1/4时,杨树基本不影响小麦对光照的需求。间作地杨树的初植密度以株距3m、行距12m,南北方向栽植较为合理。 相似文献
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为了完善油橄榄高密园集约化栽培管理技术,通过对甘肃武都油橄榄普通园和密植园不同品种、不同密度建园3 a生长量、产量实测及建园成本分析,初步筛选出适宜集约化建园的条件、品种、密度。结果表明,普通园树高生长量是高密园树高生长量的119%,普通园地径生长量是高密园地径生长量的112%,但普通园产量只是高密园的62%;引进西班牙8个新品种中,‘Arbequina’、‘Arbosana’和‘Koroneiki’3个品种为适宜集约化建园品种;普通园与高密园的建设成本比为1∶6.24。高水肥条件下,普通园产量与高密园产量的比为1∶4.481。因此,在土地平缓的地区,使用适宜集约化栽培品种,集成高新技术成果和先进的管理手段,提高了单位面积的产出,大大节约人力、土地成本,达到优质、早实、高产、稳产的目的,在生产实践中应大力推广油橄榄集约化栽培技术。 相似文献
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在丽江市玉龙县大具乡进行油橄榄丰产栽培试验研究。文中阐述油橄榄的栽植、土壤管理、水肥管理、整形修剪、病虫害防治等技术方法。试验结果表明,佛奥、豆果、皮瓜尔3个参试品种的扦插苗(2a生)第三年开始结果,参试品种的单株产量、公顷产量与对照组相比均有较大提高,达到了丰产的效果。 相似文献
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矮化香椿园密度、整形和采芽技术研究 总被引:1,自引:0,他引:1
在保定郊区建立4种密度的香椿矮化密植园,根据4年的研究,1~4年内以最高密度(3.8株/m2)和高密度(2.5株/m2)的产芽量最高,第4年采完芽后,对最高密度应进行疏伐,保留2.5株/m2;中密度(1.74株/m2)和低密度(0.83株/m2)5~10年内可以不疏伐。结合采芽进行两种方式的整形,即矮干多侧枝型和灌丛型。前者的总产量较高,且可提早1年采芽。采芽3年后,两种整形方式的年产量已无显著差异。采芽与整形相结合,可以促进侧枝和树冠的形成。但是,高密度严重抑制侧枝形成和存活,以至不能形成树冠。矮化密植香椿园第3年的产芽量最高可达5200kg/hm2,年均纯收益为38940元/hm2。 相似文献
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在丽江市的大具乡建立油橄榄示范园,并于2006年开始先后引进国外14个油橄榄优良品种进行栽培试验。文中详细阐述了示范园建设中的整地、打塘、施肥、苗木定植以及建园后管理等各项技术措施。结果表明,大具乡的自然、气候条件非常适合油橄榄的栽培;油橄榄品种具有自交不亲和性,需要不同品种之间授粉;14个油橄榄品种在示范区的生长情况良好,大多数成活率都在80%以上,特别是2006年引进的ARBEQUINA SELC和KORONEIKI的生长挂果情况较为突出,2009年引进的鄂植8号、皮肖利和莱星生长、抗病性也非常突出,可重点选育这几个品种作为主栽品种进行推广种植。 相似文献
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施肥是影响油橄榄丰产稳产的关键性措施。通过不同施肥配方及施肥量对不同品种新梢生长量及鲜果产量的影响试验得出:施用有机肥+无机肥的混合肥,于11月份施5kg的菜籽饼,1kg过磷酸钙、0.5kg硫酸钾、200g硼肥;于4月、6月、8月各施O.1kg尿素,于每年的4月、7月、11月灌3次水,可使单株产量由2.4kg提高到18.2kg,净增产15.8kg,增产增效显著。 相似文献
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油橄榄全光照喷雾扦插育苗试验 总被引:3,自引:0,他引:3
采用全光照喷雾扦插育苗技术进行油橄榄育苗,同时选用不同枝龄及部位的扦穗进行对比试验,结果表明:1年生枝和萌蘖枝能使成活率分别提高到85.4%和100%;扦插时间选择4-10月期间,对提高成活率有利。 相似文献
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Longnan City in Gansu Province is the largest base of olive production in China. In the olive orchard locating in Wudu District of Longnan City, thirty trees were sampled each of three cultivars, ‘Leccino’, ‘Chenggu32’, ‘Ezhi8’, with monoconical and vase training system. After planted with density of 5×6 m in 1992, each sample tree was investigated to determine the yield fresh fruit in five different years. The results of survey and analysis showed that there were significant differences of fruit yield among 5 years and 3 cultivars. Different canopy shapes yielded some effect on fruit setting rate and yield of different cultivars in different years. During first fruiting period in the fourth/sixth year after planting, fruit setting rate and yield of ‘Leccino’ with monocone were more 6.7% and 0.15 kg than those with vase and those of ‘Ezhi8’ and ‘Chenggu32’ with vase were more 20%, 10% and 0.18 kg, 0.09 kg than those with monocone. With the increase of tree age, fruit set and yield of ‘Leccino’ and ‘Ezhi8’ with vase was more than those of monocone. In 2011, average yields per tree of ‘Leccino’ and ‘Ezhi8’ with vase were more 13.35 kg and 6.85 kg than those with monocone. And the highest yield per tree of ‘Leccino’ with vase was 75 kg, more 16 kg than that of monocone. Fruit trees with yield over 35 kg of ‘Leccino’ and 25 kg of ‘Ezhi8’ with vase accounted for 80% and 46.7%, more 40% and 30.01% than those of monocone. It was concluded that vase training system would produce higher yield of ‘Leccino’ and ‘Ezhi8’ and its effect and advantages were gradually prominent with increase age. As for ‘Chenggu32’, monocone got a slightly higher yield than that of vase and in 2011 fruit trees with yield over 15 kg accounted for 25%, more 8.34% than vase. The difference between two training system of this cultivar was not obvious. 相似文献