Demonstrated that it was beneficial to cultivate (stir) the soil.

Obtain the evidence showing that the main source of carbon, hydrogen and oxygen for plants were the air water.

Discover that plants took nitrogen from the soils.

He had proved water to essential element from his famous five years experiment with a willow free grown only addition of water.

Discover the symbiosis of bacteria and leguminous roots and the fixation of nitrogen by bacteria in the 19th century.

Proved that this transformation of ammonia into nitrates was done by living organism

He rediscovered the enrichment of solil with guano by the Incas in 1802

He found that the bacteria is the responsible for the transformation of ammonia to nitrates

He showed that plants and animals must "combust" oxygen internally to live and was able to deduce that most of the 165- pounds weight of van Helmont's willow tree derived from air.

Ability of soil to provide the nutrient needed by the crops plants to grow.

Soil that is rich in nutrients is?

Macro nutrient are compose of what elements?

Micro nutrients are compose of what elements?

Macro nutrients are compose of how many elements?

Micro nutrients are compose of how many elements?

This the most important national resources of any country?

Required for the growth and reproduction of plants, plays in the growth and development of plants.

Part of many proteins which serve as enzymes and also is a part of chlorophyll molecules.

These are all nitrogen deficiency symptom except one.

Essential in all cell metabolic process and apparently has a specific role in influencing the uptake the uptake of certain mineral elements.

These are Deficiency symptoms of calcium except.

These are 3 elements serve largely in the synthesis of carbohydrates, protein, fats, and related compounds. In order

Its a part of the chlorophyll molecule, aids in the translocation of phosphorus in plants.

These are deficiency symptoms of magnesium except 1?

It is the constituent of compounds including amino acids .

These are deficiency symptoms of BORON except.

These are component of enzymes . Both are apparently necessary for the formation of growth promoting substances.

Transition element, is an essential component of several enzymes and co enzymes.

A component of some plants enzymes, most notably urease, which metabolizes urea nitrogen into useable ammonia with in the plant.

Deficiency symptoms of cobalt except 1.

These are deficiency symptoms of chlorine except 1?

Molecules in food that all organisms need to make energy, grow, develop, and reproduce.

Essentials compound of all organic life on this planet. Both plants and animals use this as primary source of energy, which keep the body functioning at most basic levels.

This is molecule structure built out of amino acids that is fundamental to life.

Acts as a regulator of cell and tissue growth and differentiation.

Part of structure of ______ and is made up of three carbon atoms.

Biochemical function of______ in nutrition

Nutrient dissolved in soil water are transported to the root surface, this is called?

Movements of nutrients ions through the soil water and from the exchange site to exchange site long the soil surface of soil particles.

It is uptake or absorption of ions/nutrients that occur in the outer space through diffusion or contact exchange and does not involve energy use.

It is the uptake or absorption of nutrients that involves use of energy.

Plants roots come into physical contact with nutrients as the roots grows and expand in the available soil volume.

The bases which have been replaced by the exchange sites of soils are removed in the drainage water.

Different plants would remove different amounts of nutrients or bases.

Wearing away of lands surface by running water, wind, ice or other geological agents would result to decline in soil fertility.

Loss of nutrients in the form of ________ would also result to decline in soil fertility.

Soil testing provides the foundation of managing soil nutrients.

The non symbiotic nitrogen fixing bacterium.

This fungus which produces black spore can be used to assay for some of the available nutrients in the soil.

Soils contain a concentration of neutral soluble salt sufficient to seriously interfere more water evaporating than there is water coming into the area as precipitation

These soil do not contain any great amount of neutral soluble salts, the detrimental effect on plants being largely due to toxicity of Na.

Contains appreciable quantities of neutral soluble salts and enough absorbed Na ions to seriously affect most plants.

These are deficiency symptoms cobalt except 1

The essential element nutrient uptake form of CARBON is

The essential element nutrient uptake form of HYDROGEN is?

The essential element nutrient uptake form of NITROGEN is?

The essential element nutrient uptake form of PHOSPHORUS is?

The essential element nutrient uptake form of IRON is?

What is my complete name?