土壤有效养分 soil available nutrient ; [土壤] available nutrient of soil
土壤有效养分含量 Content of available nutrient in soils
提高有效养分利用率 raising efficiency of nutrients
有效态养分 available nutrient
有效性养分 [土壤] available nutrient
土壤有效性养分 soil available nutrient
有效态养分含量 content of available nutrient element
养分有效性 [土壤] nutrient availability
Available nutrients and enzyme activity of tobacco-planting soil had significant differences between treatments of different preceding crop.
前作作物不同的处理,植烟土壤有效养分及酶活性存在显著差异。
参考来源 - 不同种植模式对黔北黄壤烤烟生产力的影响After planting the seedling from 72 hole flat plate to 10*10 bowl, the available nutrition is 800g/m3, N, P2O5, K2O=1: 1: 1, the best quantity of manure and fertilizer was composite fertilizer 1500g/m3, CO(NH2>2 90g/m3, manure 4000g/m3.
甜椒苗于18天苗龄时自72孔穴盘分苗至10*10营养钵后，最适宜的施肥量为，按N、P2O5、K2O=1：1：1的比例，有效养分800g／m3。
参考来源 - 设施甜椒有机化土栽培基质的筛选及施肥量的研究You must increase the effective nutrition of the soil properly, especially the content of available K, if you want to increase the production of lower-yield orchards.
要提高中、低产园的产量，须适当提高土壤有效养分含量特别是速效钾的含量。
参考来源 - 烟台甜樱桃园土壤营养诊断技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
但施肥能明显提高土壤有效养分含量。
Fertilization can increase the contents of soil available nutrients.
通过室内培养和盆栽试验，研究了镧积累对红壤有效养分的影响。
The effect of lanthanum (La) accumulation on availability of soil nutrients in red soil was studied through indoor soil culture and pot culture experiments.
土壤中的有效养分的增加以处理1为最高，其次为处理4和处理5。
Enhancement of soil available nutrient was highest in treatment 1, treatment 4 and 5 on the second place.
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