Efficient use of nitrogen (N) is necessary for cost effective grass production and to minimise risks of water pollution. A guide to spring N application, the Dutch T sum 200掳, has been compared with two accumulated soil temperature systems. When used in conjunction with soil and weather ...
Nitrogen fertilizer management for nitrous oxide (N 2 O) mitigation in intensive corn (Maize) production: an emissions reduction protocol for US Midwest ag... P. 2010. "Nitrogen fertilizer management for nitrous oxide (N2O) mitigation in intensive corn (Maize) production: an emission reduction ...
In grasslands in which the proportion of herbage mass consumed is low, grass litter plays a major role in ... K Liu 被引量: 0发表: 2009年 The Effect of Fertilizer Type and Level of N Fertilization Before and After Grassland Renewal on N Leaching Losses When grassland is ploughed and re...
Grass plots on clay, sandy and peat soils were grazed or mown each time about 10 tons fresh herbage/ ha had been produced, and given 0, 20, 30, 35, 40, 50 or 60 kg N/ha for each cutting or grazing. The 3rd cut was mown for conservation when about 20 tons herbage/ha were pre...
Best nitrogen fertilizer garden fertilizer Urea 46 Prilled urea : Coated and uncoated; agriculture and industry grade. Granular urea : Can be used in agriculture and producing BB fertilizer and sulfur coated urea. Nitrogen 46%min Moisture 1%max Biuret 1%max Prilled 0.85-2mm Granular 2-4mm 90-...
production in established northern latitude grasslands45. The high N rate doubled the low rate in order to create appreciable gap and detectable effect between the two levels. The fertilizer was manually applied in June or July each year after cutting the grass. The soil series for the plots ...
Nitrogen Availability from Composts for Grass and Legume-Grass Forage ProductionOf the five million tonnes of municipal organic waste annually produced in Canada, over one quarter is now composted. There has been increasing interest in ... RP Voroney - 《Animal Welfare》 被引量: 0发表: 0年 Ni...
Nitrogen uptake by the maize crop was higher following cover crops than after maize or natural grass. The N fertilizer replacement index of cover crops for maize ranged from 11 (A. histrix) to 96 kg N ha (C. cajan) in Series 2. Perennial (C. brasilianum, S. hamata, C. cajan, P....
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11. For example, plants inoculated with soil from fertilized fields were 50% smaller than plants grown in soil collected from unfertilized fields (estimated from Revillini et al.9, Fig.4). Two of the four sites in Revillini et al. (Konza LTER and Short Grass Steppe LTER) showed a ...