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library:articles:p_basics:
37 HitsA (Fig. 1). It is obvious that without DNA plants cannot reproduce, which means that they cannot produc... rom many crops. Without nucleic acids plant cells cannot develop or function properly.
{{:library:a... d unavailable to plants. In fertile soil a significant portion of the total P is in moderately soluble
library:articles:gypsum:
26 Hitsthe severity of soil surface crusting
* Gypsum can reduce ammonia volatilization from urea and UAN f... a to support the claim that gypsum has any significant effect on reducing mechanical soil compaction.**... s too wet and/or improper implement selection. It can only be corrected through proper soil management
library:articles:n_basics:
23 Hitsor sometimes in the ratio of N to other elements, can have a negative impact on some aspects of various... t N does not accumulate in the soil to any significant degree. Nitrogen is highly subject to losses fro... e transformed to one of these forms before plants can utilize the N.
The N in organic residues exis
library:articles:soil_sampling_instructions:
20 Hitspresenting the desired area of soil. A laboratory cannot improve the accuracy of a sample that does not... soils, it takes more than one year to make significant changes to the soil test levels. As the soil imp... A Few Universal Basics =====
- Soil samples can be taken with a professional soil probe, or simpl
library:articles:soybean_cyst_nematodes:
18 Hitsder non-host crops.
Severe infestations of SCN can have a devastating effect on yields. Yield losses can range from slight to as much as 90% depending upon the degree of infestation, soil fertility, c... == Symptoms=====
Soybean cyst nematode injury can be easily confused with other crop production pro
library:articles:mn_basics:
15 Hitshe point of toxicity.
* **Organic Matter:** Mn can be "tied up" by the organic matter such that high organic matter soils can be Mn deficient.
* **Soil Moisture:** Under short-term waterlogged conditions, plant available Mn++ can be reduced to Mn+, which is unavailable to pl
library:articles:fertilizer_lime_calculations:
13 Hitsarea is in the place to be fertilized. The reader can do these simple calculations by going to our pape... to be fertilized .
Plant nutrient requirements can be supplied by a wide variety of fertilizers that... with it. If your application results in a significant shortage of P2O5 or K
library:articles:cu_basics:
12 Hitsvailability.
* **Flooding:** Waterlogged soils can reduce Cu availability while they are saturated, ... gh N uptake in the presence of marginal Cu levels can lead to a reduction of Cu transport into the grow... * **Cu:P Balance:** High soil and plant P levels can reduce Cu uptake due to reduced soil exploration
library:articles:potassium_basics:
11 Hits of the soil. The larger the CEC, the more K that can be held by the soil and the higher the soil test ... .
**Cation Balance:** Where there is a significant imbalance between available K and the other majo... ractions=====
**K/Mg ratio:** Each of K or Mg can reduce the uptake of the other when the "normal"
library:articles:why_labs_have_different_soil_test_results:
11 Hitse same sample, and why fertilizer recommendations can be significantly different between laboratories. ... al Results=====
The primary reason for significantly different analytical results is the different ... such as pH).
Some other, typically less significant, reasons for differences are
- The type of
library:articles:soil_test_p_and_k_buildup_and_drawdown:
11 Hitsve been in the soil for many years. Therefore you can think of fertilization as putting nutrients into ... soils as much as 65% of the applied fertilizer P can be fixed. In extremely poor soils, as much as 90%... evel increases, the buildup ratio gets lower. You can see by this data that the most common soil P leve
library:articles:fe_basics:
10 Hitsly Aerated Soils: **In acid soils, this condition can increase Fe availability (to the point of toxicit... f N Applied:** Increased NO3 -N uptake can reduce Fe uptake by causing an anion-cation imbal... . Some research indicates that low K availability can result in increased Fe uptake.
* **Fe:Mo Bala
library:articles:is_magnesium_a_hidden_problem_in_your_area:
10 Hitsroles in plant growth. A shortage of Mg in forage can lead to grass tetany in cattle. Dr. Tracy points ... her, as well as being affected by a fourth significant cation, hydrogen (H+). Hydrogen is significant because as the quantity of soil H+ increases, the soil becomes more acid and th
library:articles:soil_aluminum_and_test_interpretation:
9 Hits producers have heard that too much aluminum (Al) can be harmful to plants. However, many may not be aw... al, turf, or ornamental, should understand how Al can affect these plants.
===== Forms of Aluminum in... or easily soluble Al (Al+++). Growers can use this result to evaluate the potential of Al t
