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土壤对养分的吸收
Find a detailed chart outlining soil uptake of nutrients in relation to acidity or alkalinity. Also included are suggested materials to correct alkali and acidity, along with their sources and suggested measurements.
How Soil Holds and Supplies Nutrients to Plants
Nutrient ions and soil work similar to magnets - positives repel and negatives attract. Learn how negatively charged clay and organic matter interact with positively charged nutrient ions such as hydrogen, 钙, magnesium and potassium to provide nutrients to plants.
硝化作用和. 反硝化作用
Nitrification is how plants convert nitrogen to a usable form. 有些步骤在没有氧气的情况下进行, but very wet areas often lead to nitrogen deficiency as nitrogen particles move with water and can leach.
反硝化作用 is caused by soil organisms that live without air in wet soil and get their oxygen by taking it from nitrate. 它们耗尽了自由氧气供应, leading to plant-usable nitrogen escaping as gas into the atmosphere.
如何阅读肥料标签
Find detailed instructions on how to read a fertilizer label for ideal application and optimal results. Typical fertilizer label Information includes fertilizer analysis or grade, 保证分析, 氮源, 肥料比例, available phosphoric acid and soluble potash, and other plant food elements and their source.
种植规格建议
We always recommended completing a soil analysis prior to making recommendations for soil amendments. See suggested fertilizer incorporation rates for turf and ground covers, trees and shrubs and hydroseeding in normal, 健康土壤条件.
如何测量面积
的地盘grass areas that require treatment are generally much smaller than those treated in agriculture. 所以测量, 计算, and directions must be followed as closely as possible when applying fertilizer to avoid overuse of the nutrients. Here we explain how to calculate area measurements and determine fertilizer applications for different size plots when directions are given only for large acreages.
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83707-0027
电话
(800) 832-8891
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