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library:articles:gypsum: 36 Hits

mple of material that may be in your area. Please note that the descriptions in table 1 have been edite... included in parentheses.||||| | ^d NA = not available||||| | ^e Material is not yet... cluded in parentheses.||||||| | ^d NR = not regulated.||||||| | ^e Ceiling concentr

library:articles:p_basics: 33 Hits

Fig. 1). It is obvious that without DNA plants cannot reproduce, which means that they cannot produce t... many crops. Without nucleic acids plant cells cannot develop or function properly. {{:library:arti... ion is restricted due to a P shortage, sugars are not converted into energy and they accumulate within

library:articles:n_basics: 24 Hits

cycle. Some features unique to N are that N does not accumulate in the soil to any significant degree.... osphere. Of course, most plants (non-legumes) are not able to directly utilize atmospheric N. Plant... sts primarily in large organic molecules which cannot be taken into plant roots. These N sources must b

library:articles:soil_test_p_and_k_buildup_and_drawdown: 18 Hits

oliar fertilizer or tree trunk injection, **we do not fertilize plants... we fertilize soil. Because of... b>5 and K₂O) into forms that are not available to the plants. This nutrient fixation is simply another way of saying that the soil is trying to build itself up in these nutrients... whet

library:articles:why_labs_have_different_soil_test_results: 16 Hits

emical extractants used by labs. At first, it may not seem logical for labs to use different chemicals ... results obtained by the different methods, it may not be possible to accurately convert the results of one method to another. It is possible that there will be multiple correlation's between any two meth

library:articles:soybean_cyst_nematodes: 16 Hits

hosts. Fortunately, most are weed and crop plants not commonly found in soybean fields or cropping rota... m 24-39 bu/ac (a yield loss of from 52% to 22%). Another study using aldicarb to control SCN found that... the direction of tillage. Many times growers will not be able to detect any differences between affecte

library:articles:soil_sampling_instructions: 15 Hits

senting the desired area of soil. A laboratory cannot improve the accuracy of a sample that does not re... Soils are formed over thousands of years, and are not easily changed in a short time. ===== The Metho... lastic bucket to mix the "cores" of soil in. Do **not** use equipment made of **galvanized** metal. The

library:articles:is_magnesium_a_hidden_problem_in_your_area: 15 Hits

ratio ratios saturation}} Magnesium (Mg) does not receive much attention in the popular press. Howe... more attention to the need for Mg fertilizer. He noted that the "boot-heel", in the Southeast part of ... ver, 57% of soil samples from Southwest Missouri (not the boot-heel area) were low in Mg. Reviewing fer

library:articles:presidedress_nitrate_nitrogen_test_university_summary: 14 Hits

initially developed to identify fields that would not be expected to respond to additional N. The test ... e crop response to a particular PSNT level. It is not within the scope of this paper to thoroughly disc... soil testing, the PSNT should be used as a guide, not a guarantee. Neither the PSNT result nor the N re

library:articles:ca_basics: 14 Hits

olecules and exchange must occur with calcium or another similar cation (e.g. Mg⁺⁺, Na^{+... p>, NH₄⁺, etc.). Calcium is not very mobile in the soil, or in plant tissue, ther... this state it is relatively insoluble. Calcium is not considered a leachable nutrient. However, over hu}

library:articles:soil_aluminum_and_test_interpretation: 12 Hits

minum test testing toxicity}} Aluminum is not an essential element for either plants or animals... (Al) can be harmful to plants. However, many may not be aware that there are multiple forms of Al in the soil and most of them are not directly harmful to plants. There are also multiple methods of test

library:articles:cornstalk_n_test: 12 Hits

econd indicates that supplies of available N were not limiting growth during this period. These respons... ould have resulted in higher yields. It should be noted that concentrations in this range give little i... producers. The ISU reports on this research do not discuss in the visual N deficiencies mentioned ab

library:articles:potassium_basics: 11 Hits

oxide form of K. While K₂O actually is not present in fertilizers and is not utilized by pla... nctions of K in the Plant===== Potassium does not form a structural part of any plant component or ... Soil K content varies widely. However, it is not uncommon for a soil to contain about 20 tons of K

library:articles:s_basics: 10 Hits

in soil organic matter and some fertilizers, are not available to crops. They must be converted to the... ir of gaseous sulfur compounds, and (2) Sulfur is not present in sufficient quantities in today's highe... d in irrigation or rain water. Excess sulfur does not normally present an agronomic problem for crops,

library:articles:interpretation_of_water_analysis_for_livestock_suitability: 9 Hits

library:articles:fertilizing_landscape_plants: 9 Hits

library:articles:fertilizer_lime_calculations: 9 Hits

library:articles:mn_basics: 7 Hits

library:articles:salt_index_calculation: 7 Hits

library:articles:mg_basics: 7 Hits

library:articles:state_lime_specifications: 7 Hits

library:articles:metal_concentrations_in_natural_soils: 7 Hits

library:articles:copper_sulfate_hoof_baths_and_copper_toxicity_in_soil: 7 Hits

library:articles:interpreting_lawn_and_garden_soil_results: 7 Hits

library:articles:cec_bph_and_percent_sat: 6 Hits

library:articles:lead_levels: 6 Hits