Fertilization control over

We note that one can exercise experimental control over the degree of exciton-photon hybridization and disorder by modifying the size of the microcavity for various organic materials making such systems fertile ground for detailed experimental and theoretical research into their physics. 

One of the consequences of this approach is that the actual benefits of fertilizers are over estimated in fertility trials relative to when they are used by farmers. In addition, the resulte from adverse years v en no or poor response to fertilizer occurs are usuatty not reported because weather caused no response to the nutrient. Unfortunately, farmers cannot make decisions under a similar lack of constraints they must make investment decisions regarding seed, pesticides, labor, and fertilizer ir uts in a total farm management context. To majd-mize the benefits from management factors, the limiting factors should be in balance with each other, e.g., the crop variety must be able to benefit from the fertilizers used. Weed and insect control, plant density, water availability, tillage, and other management practices should be adequate for the farmer to realize a profit from fertilizer use. 

Nonpoint source sampling occurs where the analyte of interest is dispersed over a large area such that a specific point of origin cannot be ascertained. The innate occurrence of analytes of interest would be an example of a nonpoint source. The occurrence of plant nutrients, either naturally occurring or from fertilization, is an example of a nonpoint source of agricultural analytes. Herbicides, insecticides, and pest-control agents are, once applied on a field scale, also potential nonpoint sources of analytes. It is common to think of crop... 

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