1) base-manure amounts
基肥用量
1.
To explore suitable fertilization method of rice direct seeding on dry land,plot experiment of different base-manure amounts was designed and carried out.
为探索适合水稻旱直播栽培的施肥方法,开展不同基肥用量的小区试验。
3) Fertilizer application
肥料用量
1.
Orthogonal high-yielding cultivation technique of four factors different varieties sowing quantities,methods of sowing and fertilizer applications on flax in winter-fallow field in Zhejiang Province showed that the sowing quantity affects the raw stem yield most,followed by methods of sowing,fertilizer applications and variety.
通过对浙江省冬闲田亚麻进行不同品种、播种量、播种方式和肥料用量的四因素正交高产栽培试验表明,影响原茎产量高低的因素为播种量>播种方式>肥料用量>品种,经分析以品种阿里安、播种量4。
4) N rate
氮肥用量
1.
Field experiments, with winter wheat as test crop, were carried out to study the effects of N application and cultivation methods on crop growth and nutrient utilization at different N rates and under different methods of cultivation.
水分和土壤养分是制约我国西北旱地小麦增产的主要因素,选择合适的氮肥用量和栽培模式是提高小麦产量和养分吸收的关键。
5) consumption of chemical fertilizers
化肥用量
1.
Based on data of sown areas,grain production,consumption of chemical fertilizers of Sichuan and the runoff,sediment data from the upper Yangtze River,the "Grain for Green" project is revisited.
以四川省为例,基于退耕还林工程实施后粮食产量、粮食作物播种面积、化肥用量以及水质和水土流失状况变化的分析,讨论了退耕还林工程对环境保护的贡献和可能存在的问题。
补充资料：基肥
分子式：
CAS号：
性质：播种(或定植)之前深施入土的肥料。施基肥为作物生长发育创造良好的土壤条件，满足作物整个生育期对养分的需要，并兼有培肥改土的作用。厩肥、堆肥等有机肥料，以及碳酸氢铵、沉淀磷酸钙、钙镁磷肥、磷矿粉等化肥均适作基肥。
CAS号：
性质：播种(或定植)之前深施入土的肥料。施基肥为作物生长发育创造良好的土壤条件，满足作物整个生育期对养分的需要，并兼有培肥改土的作用。厩肥、堆肥等有机肥料，以及碳酸氢铵、沉淀磷酸钙、钙镁磷肥、磷矿粉等化肥均适作基肥。
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参考词条