fertilizer level Articles
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Evaluation of dandelion as a potential forage species in mixed-species swards
Recent research has indicated that increasing species diversity of the pastures might improve sward productivity and stability. The present experiment evaluates the effect of dandelion (Taraxacum officinale Weber) as a potential pasture species on the performance of a perennial ryegrass (Lolium perenne L.)–white clover (Trifolium repens L.) mixture in terms of total herbage yield, weed ...
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Effects of agricultural production on phosphorus losses from paddy soils: a case study in the Taihu Lake Region of China
A field plot experiment was conducted on two types of paddy soils in the Taihu Lake Region of China from June 2000 through 2002 to assess phosphorus (P) losses by runoff and drainage flow and the effectiveness of rice–wheat double cropping on reducing P losses from paddy soils. Commercial NPK compound fertilizer and single superphosphate fertilizer were applied to furnish 0, 30, 150, and 300 kg P ...
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Tillage and fertilizer effects on yield, profitability, and risk in a corn-wheat-potato-wheat rotation
Reduced tillage results in lower production costs and thus may have economic advantages for farmers. However, yield penalties, specific yield risks, or higher nutrient requirements may counteract the positive effects of reduced tillage. This study investigates long-term tillage effects (moldboard plow, and deep and shallow chisel plow) and their interactions with N fertilizer input on yields and ...
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Fertilization of pinus pinea L. seedlings with a sewage sludge-based compost
Two experiments were conducted to evaluate the effect of a sewage sludge-based compost (SSC) on the growth and mineral composition of containerized Pinus pinea L. seedlings. In the first experiment, five different substrates were tested: four binary mixtures of SSC and peat (100% SSC, 75% SSC, 50% SSC and 25% SSC, by volume) without fertilization, and a control substrate (peat-based substrate + ...
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How to maintain soil fertility
In order to maintain soil fertility, some low-yield soil (acid soil, alkali soil and salt soil), chemical improvers and irrigation should be used to improve, remove obstacles and improve the fertility level. In addition, reasonable cultivation and rotation should be carried out to regulate the nutrients and water in the soil and prevent some nutrient deficiency and water vapor imbalance. 1. ...
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Commission Finally Proposes Limits on Cadmium in Fertilisers
A new chapter in one of the longest-running sagas in EU environmental policy opened in August when the European Commission launched a consultation on a 15-year programme to reduce the cadmium content of phosphate fertilisers. The idea of limiting the cadmium content of phosphate fertilisers appeared in a Commission strategy on cadmium in 1987. The concern underlying the strategy was the need ...
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Main Granulating Methods of NPK Compound Fertilizer Production
NPK fertilizer can supply many kinds of nutrients needed by crops at the same time. The economic benefit is obvious. The production cost can be reduced by using compound fertilizer. Compound fertilizer is not easy to agglomerate, easy to store and use, and is widely welcomed. How to select granulator for NPK fertilizer production line? Several main granulation methods are introduced here. 1. ...
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It’ll all be for the same purpose: to maximize the yield and take care of that soil
Brad McDougald jokes that farmers can always find something to complain about. “Doesn’t matter whether it’s too warm, too dry, too cold,” McDougald says with a chuckle. This year was a dry season in Drumheller, Alta., where his 2,500-acre farm produced about 40 per cent of its regular yield of wheat, canola, peas, lentils and barley. But for all the elements outside a ...
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Are you maxing out? Applying the Law of the Maximum gets the most from your fertility investment dollars
Avoid excess crop nutrients in your fertilizer strategy to maintain soil health and protect your pocketbook The push to produce higher yields per acre every year continues to weigh heavily on western Canadian farmers. That pressure is accompanied by economic and environmental concerns. Should you invest more money into crop nutrients to reach record yields? Will that investment pay off? Will ...
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Enhancing phosphorus phytoremedation potential of two warm-season perennial grasses with nitrogen fertilization
Phytoremediation or use of plants to extract soil nutrients is a practice used to ameliorate the impacts of excessive soil nutrients. Pensacola bahiagrass (Paspalum notatum Flügge) and ‘Floralta’ limpograss [Hemarthria altissima (Poir.) Stapf & Hubb] were grown in a P-impacted Immokalee fine sand (Mehlich-1 P 30 mg P kg–1) to evaluate increasing N levels on dry matter yield (DMY), forage P ...
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Is Water RunOff Effecting my Pond?
What is Water RunOff? Runoff is precipitation that did not get (infiltrated) absorbed into the soil, or did not evaporate, and therefore made its way from the ground surface into places that water collect. Runoff causes erosion, and also carry chemicals and substances on the ground surface along to the ponds, lakes and rivers where the water ends up. (eschooltoday.com) Phosphorus and Nitrogen ...
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NPK compound fertilizer granulation production line
NPK compound fertilizer granulation production line NPK compound fertilizer has the advantages of good appearance, high fertilizer efficiency, uniform coating and strong wear resistance. It can provide sulfur nutrition after degradation of the film, and is pollution-free, which meets the requirements of environmentally friendly fertilizer. NPK compound fertilizer has various kinds of slow-release ...
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Soil Nutrients and Field Health: what you Need to Know
The soil on your field is like the brain to your body. It tells your crops everything they need to know to produce a healthy yield; how many organisms live there, what the pH balance is, whether or not something is performing well… For the brain, if something isn’t performing well, the body can react catastrophically. The same thing happens with soil. If you have too much ...
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