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- 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。
- Paddy fields under double rice cropping system 双季稻田
- The effect of applying N-fertilizer or not in wheat on sod fertility and grain yield and fertilizer-N use efficiency (FNUE) of rice in the wheat-rice cropping system were studied. 摘要通过对前茬作物小麦设置施用氮肥与不施用氮肥处理研究它对土壤肥力及后茬作物水稻产量和氮肥利用率的影响。
- The High-yielding Cultural Techniques for Liangyou Peijiu Grown as the Second Crop in Double Rice Cropping System 两优培九作连晚栽培的高产技术
- The rice crop this year is15 percent above the average. 今年的稻米产量高于往年平均产量的百分之十五。
- The effect of applying N-fertilizer or not in wheat on soil fertility and grain yield and fertilizer-N use efficiency (FNUE) of rice in the wheat-rice cropping system were studied. 通过对前茬作物小麦设置施用氮肥与不施用氮肥处理研究它对土壤肥力及后茬作物水稻产量和氮肥利用率的影响。
- The most important limiting factor for wheat yield in this cropping system is late planting. 该种植方式中最重要的小麦限产因素是迟播。
- The typhoon did great harm to the rice crop. 那次台风对稻谷收成造成很大的损坏。
- They raised a bumper rice crop last year. 去年,他们的水稻大丰收。
- the rice cropping system 稻田种植制度
- The rice crop this year is 15 percent above the average. 今年的稻米产量高于往年平均产量的百分之十五。
- We are in danger of losing the rice crop if it doesn't rain. 如果不下雨,我们有庄稼歉收的危险。
- Under rice-wheat or rice-oilseed rapc cropping system, seven oilseed rape cultivars and two wheat cultivars were used to study the difference of oilseed rape and wheat in tolerance to Mn deficiency. 选用酎缺锰能力不司的7个油菜品种和2个小麦品种，在水旱轮作的严重缺锰土壤上，进行了2种作物不同品种耐缺锰能力的比较研究。
- What is the cost of using nitrogen fertilizer on a rice crop? 水稻使用氮肥的成本是什么?
- Inoculation experiments were carried out in wheat astragalus mixed cropping system to study the changes of plant biomass, nitrogen content in plants and soil, and enzyme activity of Rhizobium . 采用盆钵实验;在小麦与紫云英混作系统中;通过对紫云英接种根瘤菌;研究了小麦与紫云英生长过程中植株生长、植株生物量、植株与土壤氮素变化情况及根瘤菌的酶活性.
- Agricultural farming systems for one year the two major cropping system, the main crop has wheat, corn, cotton, and other. 农业主要耕作制度为一年两熟制，主要农作物有小麦、玉米、棉花等。
- They were reduced to the sorest straits by the failure of the rice crop. 他们由于水稻歉收而陷入极度困厄。
- 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。
- Long-term fertilizer application effects soil organic carbon (C), total N and potentially mineralizable N in continuous wheat cropping systems in western Canada. 表6 加拿大西部小麦连作体系中长期施肥对土壤有机碳(C)、全N和潜在可矿化氮的影响 Table 6.
