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首页> 外文期刊>Better crops with plant food >Phosphorus and Potassium Economics in Crop Production: Putting the Pieces Together
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Phosphorus and Potassium Economics in Crop Production: Putting the Pieces Together

机译：作物生产中的磷钾经济：将各个部分放在一起

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摘要

When times are tough, farmers try to lower their fixed and variable costs. Fixed costs are relatively inflexible and often hard to reduce. They can be controlled somewhat by improving efficiency and by making decisions such as maintaining a functional piece of equipment rather than purchasing a new one. Many farmers may target variable costs, such as fertilizer, for cost reductions. However, before cutting down on phosphorus (P) and potassium (K) use, they should carefully evaluate their soils and fertility program. Nitrogen (N), P and K account for a high percentage of crop yields and are critical to successful farming operations. Those who fine-tune their system for maximum economic yields maximize their profits in good times and minimize their losses in bad times.
机译：在艰难时期，农民会设法降低固定成本和可变成本。固定成本相对固定，通常难以降低。可以通过提高效率和做出决策（例如维护功能性设备而不是购买新设备）来对它们进行某种程度的控制。许多农民可能将可变成本（例如化肥）用于降低成本。但是，在减少磷（P）和钾（K）的使用之前，他们应该仔细评估其土壤和肥力计划。氮，磷和钾占农作物产量的高比例，对于成功的农业生产至关重要。那些为了获得最大的经济收益而对系统进行微调的人，可以在顺境中获得最大的利润，在逆境中最大限度地减少损失。

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