| The long-term role of organic amendments in building soil nutrient fertility: a meta-analysis and review |
25 |
| What has caused the use of fertilizers to skyrocket in China? |
12 |
| Fertilizer response and nitrogen use efficiency in African smallholder maize farms |
11 |
| Soil fertility status and nutrient input-output flows of specialised organic cropping systems: a review |
10 |
| Agronomic performance of P recycling fertilizers and methods to predict it: a review |
9 |
| Greenhouse gas emissions as influenced by wetland vegetation degradation along a moisture gradient on the eastern Qinghai-Tibet Plateau of North-West China |
7 |
| Nitrous oxide and nitric oxide emissions and nitrogen use efficiency as affected by nitrogen placement in lowland rice fields |
7 |
| Nitrous oxide emissions as influenced by legume cover crops and nitrogen fertilization |
7 |
| Nutrient balances influence hydrologic losses of nitrogen and phosphorus across agricultural fields in northwestern Ohio |
6 |
| Soil fertility and crop yield after manure addition to acidic soils in South China |
6 |
| Effects of catch crops on silage maize (Zea mays L.): yield, nitrogen uptake efficiency and losses |
6 |
| Seasonal N2O emissions respond differently to environmental and microbial factors after fertilization in wheat-maize agroecosystem |
5 |
| Nitrogen, phosphorus and potassium accumulation and partitioning by the potato group Andigenum in Colombia |
5 |
| Nitrogen release and synchrony in organic and conventional farming systems of the Central Highlands of Kenya |
5 |
| International trade of animal feed: its relationships with livestock density and N and P balances at country level |
5 |
| Nitrogen fertilizer replacement value of digestates from three green manures |
5 |
| Agronomic effects of biochar and wastewater irrigation in urban crop production of Tamale, northern Ghana |
5 |
| Decomposition characteristics of rice straw returned to the soil in northeast China |
5 |
| Greenhouse gas emissions from rice field cultivation with drip irrigation and plastic film mulch |
5 |
| Rice-wheat productivity and profitability with residue, tillage and green manure management |
5 |
| Diagnosis of crop secondary and micro-nutrient deficiencies in sub-Saharan Africa |
5 |
| Yield variation of rainfed rice as affected by field water availability and N fertilizer use in central Benin |
5 |
| Land use affected nutrient mass with minor impact on stoichiometry ratios in Pampean soils |
5 |
| Natural and NH4 (+)-enriched zeolitite amendment effects on nitrate leaching from a reclaimed agricultural soil (Ferrara Province, Italy) |
5 |
| Nitrogen fertilizer rate increases plant uptake and soil availability of essential nutrients in continuous maize production in Kenya and Zimbabwe |
5 |
| Nutrient uptake of iron, zinc, magnesium, and copper in transgenic maize (Zea mays) as affected by rotation systems and N application rates |
5 |
| Crop yields and soil organic carbon fractions as influenced by straw incorporation in a rice-wheat cropping system in southeastern China |
5 |
| Greenhouse gas emissions from soil under maize-soybean intercrop in the North China Plain |
5 |
| Long-term soil accumulation of potentially toxic elements and selected organic pollutants through application of recycled phosphorus fertilizers for organic farming conditions |
5 |
| Decision support tools for site-specific fertilizer recommendations and agricultural planning in selected countries in sub-Sahara Africa |
4 |
| Productivity and nutrient use efficiency with integrated fertilization of buckwheat-fenugreek intercrops |
4 |
| Fungal and bacterial contributions to codenitrification emissions of N2O and N-2 following urea deposition to soil |
4 |
| Combining user involvement with innovative design to develop a radical new method for managing N fertilization |
4 |
| Critical plant and soil phosphorus for wheat, maize, and rapeseed after 44years of P fertilization |
4 |
| Managing nutrient flows in Indian urban and peri-urban livestock systems |
4 |
| Nutrient balances with wastewater irrigation and biochar application in urban agriculture of Northern Ghana |
4 |
| N2O emissions from a loamy soil cropped with winter wheat as affected by N-fertilizer amount and nitrification inhibitor |
4 |
| Web-based tool for calculating field-specific nutrient management for rice in India |
4 |
| N2O emissions and NO3 (-) leaching from two contrasting regions in Austria and influence of soil, crops and climate: a modelling approach |
4 |
| Nutrient use efficiency and crop yield response to the combined application of cattle manure and inorganic fertilizer in sub-Saharan Africa |
4 |
| Lime and gypsum combination improves crop and forage yields and estimated meat production and revenue in a variable charge tropical soil |
4 |
| Agronomic performance and sustainability indicators in organic tomato combining different agro-ecological practices |
4 |
| Nitrogen availability to maize as affected by fertilizer application and soil type in the Tanzanian highlands |
4 |
| Herbage biomass and uptake under low-input grazing as affected by cattle and sheep excrement patches |
4 |
| Reduction of stream nitrate concentrations by land management in contrasted landscapes |
4 |
| Carbon sequestration and nitrogen uptake in a temperate silvopasture system |
4 |
| Wheat nutrient response functions for the East Africa highlands |
4 |
| Nitrogen flows on organic and conventional dairy farms: a comparison of three indicators |
4 |
| Nitrogen fertiliser replacement values for organic amendments appear to increase with N application rates |
4 |
| Spatial variation of nitrogen mineralization as a guide for variable application of nitrogen fertilizer to cereal crops |
4 |
