Improving Nitrogen and Phosphorus Fertilizer Use Efficiency for Florida's Horticultural Crops
نویسندگان
چکیده
منابع مشابه
Improving Nitrogen Use Efficiency in Crops for Sustainable Agriculture
In this review, we present the recent developments and future prospects of improving nitrogen use efficiency (NUE) in crops using various complementary approaches. These include conventional breeding and molecular genetics, in addition to alternative farming techniques based on no-till continuous cover cropping cultures and/or organic nitrogen (N) nutrition. Whatever the mode of N fertilization...
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Low-phosphorus (P) stress as a key factor limiting plant growth and production is common in most agricultural soils. Most of the soil-applied phosphate will be rapidly immobilized and most of annually applied phosphate fertilizers are fixed in the soil in organic forms by adsorption, sedimentation and transformation. However, excess P application may lead to contamination of water sources by en...
متن کاملEffect of cover crops and application of nitrogen fertilizer on tuber yield and nitrogen use efficiency of potato (Solanum tuberosum L. cv. Sante)
Inclusion of cover crops in crop rotations has several benefits such as supplying nitrogen for the next crop. To investigate the effect of cover crops and different levels of nitrogen fertilizer on tuber yield, yield components, and different nitrogen efficiency indices of potato, a filed experiment was conducted as split plots arrangements in randomized complete block design with three replica...
متن کاملImproving Nitrogen Use Efficiency for Cereal Production
found, had they considered N derived from the soil (Keeney, 1982; van der Ploeg et al., 1997). Using the Worldwide, nitrogen use efficiency (NUE) for cereal production same references and assumptions in Table 1, cereal (wheat, Triticum aestivum L.; corn, Zea mays L.; rice, Oryza sativa L. and O. glaberrima Steud.; barley, Hordeum vulgare L.; sorghum, NUEs are 42 and 29% in developed and develop...
متن کاملNitrogen Dynamics and Fertilizer Use Efficiency in Rice Using the Nitrogen-15 Isotope Techniques
Nitrogen-15 ( N)-labeled biogas slurry (digested anaerobic organic residues (DAOR)) and chemical 15 fertilizer (CF) were applied to soil with low fertility cropped with rice. The N dilution method was used to 15 estimate the N uptake and recovery; potted soil was labeled with 1.0 atom % excess [ N] ammonium chloride 15 NH Cl. Certain select soil characteristics were also measured in soil amende...
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ژورنال
عنوان ژورنال: HortTechnology
سال: 2010
ISSN: 1063-0198,1943-7714
DOI: 10.21273/horttech.20.1.23