1.
Fertilizer Effect and Nutrient Accumulation Rule of Angelica Dahurica in Normal Soil Nutrient Condition;
中等土壤肥力水平下祁白芷的肥料效应及养分积累规律
2.
Study on Nitrogen Transformation of Various Fertilities Soil in Greenhouse
不同肥力水平大棚土壤氮素转化的研究
3.
Improvements in drainage and fertility levels are in themselves methods of reducing the incidence of some of these weeds.
改进排水和肥力水平本身就是减少某些杂草生长的方法。
4.
The paddy?upland system increased clay dispersion content and soil fertility.
水旱轮作可增加土壤黏粒含量,提高高沙土肥力水平;
5.
Effects of Soil Fertility Levels on Rice Growth,Nitrogen Accumulation and Assimilation at Seedling Stage
肥力水平对水稻苗期生长及氮素吸收同化的影响
6.
Effects of Different Application Level and Water Stress on Seedling Rate and Quality of Pepper
不同肥力水平和水分胁迫对辣椒出苗率和幼苗素质的影响
7.
The chloroform fumigation-incubation method was used to measure the biomass-C and-N ofsoils with different fertility levels.
应用氯仿熏蒸培养法测定不同肥力水平的土壤生物量-C和-N。
8.
The purplish soils with the different properties and fertility had obvious influence on nodulation and nitrogen fixation of the alder.
具有不同性质和肥力水平的紫色土,明显影响到桤木的结瘤和固氮。
9.
Influence of nitrogen fertilizer rate on carbon-nitrogen metabolism and nitrogen use efficiency of summer maize under high and medium yield levels
施氮量对不同肥力水平下夏玉米碳氮代谢及氮素利用率的影响
10.
An optimum planting density must be employed to get a high yield, depending upon soil condition, varietal tillering ability, fertilizer level, number of plants per hill, and planting season.
获得高产必须采用最适植株密度，视土壤条件、品种分蘖力、肥力水平、每蔸苗数和播种季节而定。
11.
Effects of Fertilization Formula and Level on Wheat Yield、Quality and Fertilizer Utilization under Different Soil Fertility;
不同土壤肥力施肥配方及水平对小麦产量、品质和肥料利用的影响
12.
The Influence of Different Fertilization Levels on Yields, Nutrient Absorption and Soil Fertility of Alfalfa;
不同施肥水平对紫花苜蓿产量、营养吸收及土壤肥力的影响
13.
Effects of endurance exercise of serum leptin levels in infant fat rats;
耐力运动对幼年肥胖大鼠血清瘦素水平的影响
14.
farmyard manure spreader with horizontal roller
带水平辊农家肥撒布机
15.
Treatments of manure, lime, N, P, and K are necessary to maintain nutrient levels and productivity of the soil.
需要粪肥、石灰、氮、磷和钾处理以维持土壤养分水平和生产力。
16.
Soap and hot water are very cleansing.
肥皂和热水去污力强。
17.
Analysis of Soil Fertility and Fertility Betterment Measures for Paddy Field in Kaiyuan City
开原市水田土壤肥力分析及培肥措施
18.
Crop rotations without addition of fertilizers help maintain soil organic carbon and N levels, but do not maintain high productivity levels.
*不施肥的作物轮作有助于维持土壤有机碳和氮水平，但不能维持高生产力水平。