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Why does salinity create problems for plants and how do they adapt?
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- Why is the Nitrogen content of Fertilizers so important?What are the effects of pH on plant growth rates?What are the main elements that determine soil capacity to produce higher yields? If a plant shows stunted growth as well as yellow leaves then what type of nutrients would be deficient? How to address the issue? Please please answer that
- What are the four components of the total water potential in a soil and what sign does each component have? What components of the total water potential most influence water flow in soil under unsaturated and saturated conditions?What would likely happen to an herbaceous plant if the soil water content is below optimal range and there is increased ambient temperature?What are ways to improve soil quality?
- Why is most nitrogen fertilizer added as ammonium ion?Which soil mineral is most likely to be leached away during heavy rain? O hydrogen ion (H+) O Potassium ion (K+) O chloride ion (Cl-) O Calcium ion (Ca2+) O Sodium ion (Na+)What are the major exchangeable cations in soils? How do the relative proportions change between acid and basic soils? What soil conditions typical of deficiency, sufficiency, and toxicity (if any) for these ions?
