您要查找的是不是：
- The Effect of Long Term Fertilizer Application on Phosphorus in Red Upland Soil 长期施肥对红壤旱地磷的影响
- Effects of Application of Inorganic Fertilizer in Combination with Organic Fertilizer to Red Upland Soil 红壤旱地有机与无机肥料配合施用效果
- Study on the Relationship Between Photosynthetic Pigment of Leaves and Level of Nitrogen in the Buddha's Seat Stage of Winter Radish on Red upland Soil 红壤旱地不同施氮量对冬萝卜莲座期光合色素的影响
- Red upland soil 红壤旱地
- Changes of soil chemical properties after transferring acid sulfate paddy soil to upland soil. 酸性硫酸盐土水改旱后土壤化学性状的变异初报。
- Most of these areas are occupied by acid tropical upland soils. 这些地区大多数为酸性热带旱地土壤。
- Applying degradable geotextiles on surface of arable upland soil could effectively prevent soil from raindrop splash erosion, decrease soil erosion. 可降解编织物覆盖在坡耕地表面，可防止雨滴溅蚀发生，减轻土壤侵蚀；
- Effect of a new pesticide, acetamiprid, on biological activity in upland soil was studied through analysis of soil enzyme activities and soil respiration. 摘要通过对土壤呼吸强度和土壤酶活性的测定，研究了新型杀虫剂啶虫脒对旱地土壤生物活性的影响。
- In cultivated land systems, the upland soil physical fertility increased with the cultivation, but the upland crops-rice rotation has a disadvantageous effect. 耕地土壤的物理学肥力随着旱耕熟化过程而增加，但是水旱轮作过程对其有不利的影响。
- Shi Y,Shen Q R,Mao Z S,Li W.Biological response of rice crop cultivated on upland soil condition and the effect of mulching on it[J].Plant Nutrient and Fertilizer Science,2001,7(3):271-277. [2]石英;沈其荣;茆泽圣;李伟.;旱作条件下水稻的生物效应及表层覆盖的影响[J]
- Studies on the Phosphorous Adsorption Curves by the Several Upland Soils in Anhui Province. 安徽省几种旱地土壤磷吸附曲线的研究
- There is no significant difference in Q/I characteristics among upland soils developed from different parent rocks. 而由不同母质发育的旱地赤红壤，Q/I特性差别不大。
- Experiments of planting density on Chinese sorghum in red upland 红壤旱地高粱种植密度试验简报
- Most highly weathered and leached upland soils in S.E Asia are so deficient in primary nutrients that economic yields of healthy crops cannot be produced, unless nutrients are added to the soil. 东南亚大多数高度风化和淋溶的旱地土壤主要养分贫乏，以致除非向土壤施加养分，否则不可能获得健康作物的经济产量。
- The inherent fertility and productivity of most of the upland soils in S.E.Asia is very low and this explains the poverty of people who depend on such land. 东南亚大多数旱地的内在肥力和生产力很低，这也是依赖这种土地为生的人们贫穷的原因。
- A bright red welt rose on his arm. 他的手臂上起了明显的条状红肿。
- By the method of field plot experiment and laboratory determination,dynamic change and release of fixed ammonium in upland soils during crops growth period were studied. 通过田间小区试验和室内分析,研究了湖南省的代表性旱耕地土壤固定态铵在作物不同生育期的动态变化规律及其释放情况。
- ecological system of upland soil 农田土壤生态系统
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- He wore a red carnation in his buttonhole. 他的扣洞上了一朵红色康乃馨。
