The waste-water irrigation has brought considerable benefits of water and fertilizer efficiency to agricultural production.
因此，污水灌溉给农业生产带来了可观的水、肥效益。
This technology can reduce pesticides and chemical fertilizer pollution, to save irrigation water and to raise the fertilizer efficiency.
该技术能减少农药、化肥污染，节省灌溉用水和提高肥料利用率。
The study on systematic fertilization network nutrient diagnosis is the prerequisite for national fertilization and raising the fertilizer efficiency.
开展系统施肥网营养诊断研究是进行合理施肥、提高肥效的前提。
The results showed that alkali lignin of rice straw is a good fertilizer raw material. It has high dissociable humic acid content and good fertilizer efficiency.
结果表明，稻草碱木素具有较高的游离腐殖酸含量，其活性高，肥效好；
The fertilizer has the advantages of wide raw material sources, convenient treatment, simple production and management, and can guarantee the fertilizer efficiency.
其原料来源广泛，且处理方便，生产和管理都十分简单，并可以保证肥效。
However, due to the lower fertilizer efficiency and poor potassium enriched capability, the quality of flue-cured tobacco as a whole in China can not meet the demand of good quality and proper yield.
然而，目前我国烟草生产存在肥料利用率低、烟叶富钾能力不强，烟叶品质达不到烟草生产“优质适产”的总体要求等问题。
The research was carried on platform of "China National Soil Fertility and Fertilizer Efficiency Long-term Monitoring Network Zhengzhou."
试验于2004 - 2005年在“国家土壤肥力与肥料效益长期效益监测基地(河南·郑州)”的长期肥料定位试验中进行。
Potassium(K) balance in purple soil rice field ecosystem under rice-wheat rotation were studied on the National Purple Soil Fertility and Fertilizer Efficiency Monitored Base.
在国家紫色土肥力与肥料效益监测基地上，研究了稻麦轮作制度下紫色土稻田生态系统中钾素的平衡状况。
Potassium(K) balance in purple soil rice field ecosystem under rice-wheat rotation were studied on the National Purple Soil Fertility and Fertilizer Efficiency Monitored Base.
在国家紫色土肥力与肥料效益监测基地上，研究了稻麦轮作制度下紫色土稻田生态系统中钾素的平衡状况。
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