Search Results - "Nutrient cycling in agroecosystems"

Soil nutrient maps of Sub-Saharan Africa: assessment of soil nutrient content at 250 m spatial resolution using machine learning by Hengl, Tomislav, Leenaars, Johan G. B., Shepherd, Keith D., Walsh, Markus G., Heuvelink, Gerard B. M., Mamo, Tekalign, Tilahun, Helina, Berkhout, Ezra, Cooper, Matthew, Fegraus, Eric, Wheeler, Ichsani, Kwabena, Nketia A.

“…Spatial predictions of soil macro and micro-nutrient content across Sub-Saharan Africa at 250 m spatial resolution and for 0–30 cm depth interval are…”
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The long-term role of organic amendments in building soil nutrient fertility: a meta-analysis and review by Chen, Yongshan, Camps-Arbestain, Marta, Shen, Qinhua, Singh, Balwant, Cayuela, Maria Luz

“…An exhaustive meta-analysis of 132 long-term (≥ 10 years) studies worldwide was carried out to determine the effects of the use of organic amendments (OA) and…”
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Integrating legacy soil phosphorus into sustainable nutrient management strategies for future food, bioenergy and water security by Rowe, Helen, Withers, Paul J. A, Baas, Peter, Chan, Neng Iong, Doody, Donnacha, Holiman, Jeff, Jacobs, Brent, Li, Haigang, MacDonald, Graham K, McDowell, Richard, Sharpley, Andrew N, Shen, Jianbo, Taheri, Wendy, Wallenstein, Matthew, Weintraub, Michael N

“…Legacy phosphorus (P) that has accumulated in soils from past inputs of fertilizers and manures is a large secondary global source of P that could substitute…”
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Agronomic performance of P recycling fertilizers and methods to predict it: a review by Kratz, Sylvia, Vogel, Christian, Adam, Christian

“…Phosphorus (P) is an essential element for all life forms, and P-availability thus an important driver of a functioning agriculture. However, phosphate rock…”
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Microorganisms and nutrient stoichiometry as mediators of soil organic matter dynamics by Coonan, Elizabeth C., Kirkby, Clive A., Kirkegaard, John A., Amidy, Martin R., Strong, Craig L., Richardson, Alan E.

“…Microbial detritus contributes substantially to the soil organic matter (SOM). Analysis of global literature indicated that microbial detritus carbon (C)…”
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Decomposition characteristics of rice straw returned to the soil in northeast China by Yan, Chao, Yan, Shuang-Shuang, Jia, Tian-Yu, Dong, Shou-Kun, Ma, Chun-Mei, Gong, Zhen-Ping

“…The straw return method has been increasingly implemented in rice production in Northeast China. In-depth studies on the characteristics of rice straw…”
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Efficient use of nitrogen in agriculture by Rütting, T., Aronsson, H., Delin, S.

“…In the lyrics of one of their most well-known songs, the British rock band Dire Straits wrote “ we have just one world, but we live in different ones ”. This…”
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Crop yield and soil organic matter after long-term straw return to soil in China by Wang, Jinzhou, Wang, Xiujun, Xu, Minggang, Feng, Gu, Zhang, Wenju, Lu, Chang’ai

“…Straw has been commonly incorporated to maintain soil fertility and crop productivity in China, but effects of long-term straw incorporation on crop yield,…”
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Fertilizer response and nitrogen use efficiency in African smallholder maize farms by Ichami, Stephen M., Shepherd, Keith D., Sila, Andrew M., Stoorvogel, Jetse J., Hoffland, Ellis

“…Improving fertilizer recommendations for farmers is essential to increase food security in smallholder landscapes. Currently, blanket recommendations are…”
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What has caused the use of fertilizers to skyrocket in China? by Chen, Xiaohui, Ma, Lin, Ma, Wenqi, Wu, Zhiguo, Cui, Zhenling, Hou, Yong, Zhang, Fusuo

“…The consumption of fertilizers in China has skyrocketed in the last six decades and this raises strong environmental concerns. The study was conducted to…”
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Designing crop–livestock integration at different levels: Toward new agroecological models? by Ryschawy, Julie, Martin, Guillaume, Moraine, Marc, Duru, Michel, Therond, Olivier

“…Integrated crop–livestock systems have been shown to improve nutrient cycling, particularly by re-coupling nitrogen and carbon cycles. Yet the number of mixed…”
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Nitrogen fertilizer rate increases plant uptake and soil availability of essential nutrients in continuous maize production in Kenya and Zimbabwe by Pasley, Heather R., Cairns, Jill E., Camberato, James J., Vyn, Tony J.

“…Low fertilizer application rates for several decades have depleted soil nutrients in Sub-Saharan Africa (SSA) and contributed to relatively stagnant maize (…”
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Nitrogen-use efficiency of organic and conventional arable and dairy farming systems in Germany by Chmelíková, Lucie, Schmid, Harald, Anke, Sandra, Hülsbergen, Kurt-Jürgen

“…Optimising nitrogen (N) management improves soil fertility and reduces negative environmental impacts. Mineral N fertilizers are of key importance in intensive…”
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The simple AMG model accurately simulates organic carbon storage in soils after repeated application of exogenous organic matter by Levavasseur, Florent, Mary, Bruno, Christensen, Bent T., Duparque, Annie, Ferchaud, Fabien, Kätterer, Thomas, Lagrange, Hélène, Montenach, Denis, Resseguier, Camille, Houot, Sabine

“…Repeated application of exogenous organic matter (EOM) contributes to soil organic carbon (SOC) stocks in cropped soils. Simple and robust models such as the…”
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Floodwater ammonium, nitrogen use efficiency and rice yields with fertilizer deep placement and alternate wetting and drying under triple rice cropping systems by Huda, Azmul, Gaihre, Yam Kanta, Islam, M. R, Singh, Upendra, Islam, Md. R, Sanabria, Joaquin, Satter, M. Abdus, Afroz, Hasina, Halder, Alee, Jahiruddin, M

“…Fertilizer management should consider optimum time, rates and methods of application to increase use efficiency and crop yield. We conducted field experiments…”
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Nitrogen sources and application rates affect emissions of N2O and NH3 in sugarcane by Degaspari, Iracema Alves Manoel, Soares, Johnny Rodrigues, Montezano, Zaqueu Fernando, Del Grosso, Stephen J., Vitti, André Cesar, Rossetto, Raffaella, Cantarella, Heitor

“…Best management practices for N fertilization should increase yields while reducing negative environmental effects such as losses by ammonia (NH 3 )…”
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Nitrogen-cycling genes and rhizosphere microbial community with reduced nitrogen application in maize/soybean strip intercropping by Yu, Lingling, Tang, Yiling, Wang, Zhiguo, Gou, Yonggang, Wang, Jianwu

“…Soil microbes are essential links between above- and below-ground ecosystems and play an important role in regulating ecological functions in the soil. Dynamic…”
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Machine learning-based canola yield prediction for site-specific nitrogen recommendations by Wen, Guoqi, Ma, Bao-Luo, Vanasse, Anne, Caldwell, Claude D., Earl, Hugh J., Smith, Donald L.

“…An effective crop yield prediction is critical for making precise nitrogen (N) management decisions. A multi-site-year study was conducted across eastern…”
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N2O emissions from grain cropping systems: a meta-analysis of the impacts of fertilizer-based and ecologically-based nutrient management strategies by Han, Zhen, Walter, M. Todd, Drinkwater, Laurie E.

“…Understanding how agricultural management practices impact nitrous oxide (N 2 O) emissions is prerequisite for developing mitigation protocols. We conducted a…”
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Effects of 15 years of manure and inorganic fertilizers on soil organic carbon fractions in a wheat-maize system in the North China Plain by Liang, Qiong, Chen, Haiqing, Gong, Yuanshi, Fan, Mingsheng, Yang, Hefa, Lal, Rattan, Kuzyakov, Yakov

“…Soil organic carbon (SOC) and its labile fractions are strong determinants of chemical, physical, and biological properties, and soil quality. Thus, a 15-year…”
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