What is the difference between dry matter production and biological yield?

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Imadeddin MOH'D Albaba

Dry matter means ( your yield without water content).

Biological yiled means the green yield.

Annangi Subba Rao

Mr.Arif,as I understand, the biological yield is the total dry matter produced which can be partitioned into root dry matter and shoot dry matter.The shoot dry matter can further be divided into,stem,leaf and reproductive part (bolls in case of cotton).It is possible that in biological yield the moisture content is not specified but in dry matter yield we refer to dried plant samples at 60 or 70 o C.Dry matter accumulation is increase in dry matter in different plant parts with time or at different growth stages.

Abadi Berhane Girmay

Plants produce their own food from photosynthesis. Dm accumulation is the amount of food produced and converted into dry matter. To calculate the amount of dm per day or 10 day interval; u can take sample are cut from the ground level, and oven dry for 48 hrs @ 65oC, and weigh, it; and at constant interval (e.g after 10 days) use the same procedure, until the crop reaches its maturity before harvesting; then u can see the growth or accumulation see it graphically, .....

Abdel-salam Abdel-hamid Reda

Biological yiled is the fresh weight , almost it determined for reproductive part .Dry matter is weight of the yeild after dried it in the oven at 70 oC ,heat until proven weight.

Hector Nolasco

Biological yield is the real content of dry matter, considering the fresh weight and the calculated water content. It allows you to calculate the biological yield, for example in a crop, to know the total dry matter produced by plant. You can calculate the production oif dry matter by the plant biological processess during its development in the nature or in the crop. i.e. How many tons of dry matter are produced by month in a crop.

The dry matter production, can be related to the dry matter obtained after drying. Also can be the yield of the process to get the dry matter, from a fresh material.

Yours,

CIBNOR

Zia Uddin Khan

What is the difference between biological yield and total plant biomass?

As I understand,the biological yield and total plant biomass are the same.If the total plant biomass is expressed on dry basis,then moisture/water content is the difference between the two parameters.