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- Studies on the Super-high Yield Characteristics of Three Intensive Multiple Cropping Systems in Huanghuaihai Area 黄淮海农区集约种植制度的超高产特性研究
- Study on Sustained Cultural Techniques with High-yield for Relay and Inter-cropping Com in Multiple Cropping Systems in Drylard 旱地多熟间套春玉米持续高产技术研究
- Multiple cropping systems 种植制度
- multiple cropping system 复种指数
- The Multiple Cropping Systems of Maize with Other Crops in Dry-land Area, in Bijie of Guizhou Province 贵州毕节地区旱地玉米高产高效间套作模式研究
- Since the Sui Tang ,The ripe multiple cropping system of paddy barley two take shape ,It is the main producing area of clean polished round-grained nonglutinous rice of Jiangsu 。 隋唐以来,已形成稻麦两熟复种制,是江苏白粳米的主要产区。
- Soil and climatic variations influence cropping systems. 土壤和气候影响种植制度。
- These new strains of seed lend themselves to the reformed cropping system. 这些新品种很适应这种改革了的种植制度。
- Also rape seed yield per area in the mix cropping system was the highest. 间作与混作处理的油菜产量在可比面积上比油菜单作产量高,其中混作产量最高。
- The grain-sown area will be stabilized at about 110 million ha through the increase of the multiple crop index. 通过提高复种指数,使粮食作物播种面积稳定在1.;1亿公顷左右。
- Characteristics of nutrient balance of different cropping systems in paddy field of red earth. 红壤稻田种植制度的养分平衡特征。
- If multiple cropping is practiced correctly it will actually lead to higher yields than monoculture because of more complete use of resources. 如果复种实行正确它实际上将导致更高的产量比单作,因为更完整的利用资源。
- Because the multiple cropping index calculated on the base of statistic data is not ensured, there will be some deviation in policy-making. 耕地复种指数是衡量耕地资源集约化程度的基础性指标,也是国家宏观评价耕地资源利用状况的重要技术指标。
- In many upland situations, however, only perennial tree based cropping systems will allow sustainability. 然而在许多热带旱地上,只有以多年生树为主的种植制度才具持续性。
- This study was conducted as part of the Alternative Cropping Systems(ACS) study at Scott,Saskatchewan. 该研究是加拿大Saskatchewan Scott农作物轮作系统(ACS)研究的一部分。
- An even longer list of needs can be produced to integrate knowledge of these specific areas into cropping systems. 可列出更多项目将知识综合进种植制度这一特殊领域。
- The agrometeorological technique for making hybrid rice seeds is applicable to zones of other rice cropping systems. 研究得到的两系法杂交稻制种技术的气象学方法可供其他熟制地区应用。
- The study shows that P3 and P4 cropping systems better preserves soil and water loss than the other two systems. 种植试验结果表明:紫花苜蓿+青蒿模式和连翘+紫苏种植模式能较好地保持水土。
- Flue-cured tobacco, the three garlic, sericulture, animal husbandry, walnut has become the five pillar industries, crop sown area of 5.3 million, up 167% multiple crop index. 烤烟、三蒜、蚕桑、畜牧、核桃已成为五大支柱产业,农作物播种面积达5.;3万亩;复种指数达167%25。
- The effect of cropping system on the microelements in lime concretion fluvo-aquic soils. 耕作改制对砂姜黑土微量元素的影响。