Agriculture Exams Library

2022-11-11 10:16:43 Methods of cropping

Monocropping /Sole Cropping:
 One crop or variety is grown alone in pure stands at normal density season after season or year after year in the same field.


Multiple Cropping: Cultivation of two or more crops on the same piece of land in a year.The intensification of cropping is in terms of time and space dimensions. Multiple cropping systems can be classified as follows.agriculture exams library

A. Sequential cropping
B. Intercropping
C. Mixed cropping


A)Sequential Cropping: Growing of two or more crops in sequence on the same piece of land in the same year.The succeeding crop is planted or sown only after harvest of the preceding crop. The crop intensification is only in terms of time dimension. Farmers will manage only one crop at a time. agriculture exams library
Types of Sequential Cropping

Double Cropping: Cultivation of two crops in succession on a piece of land in a year.

Triple Cropping: Cultivation of three crops in succession on a piece of land in a year.

Quadruple Cropping: Cultivation of four crops in succession on a piece of land in a year.

Ratoon Cropping/Ratooning: Cultivation of crop re-growth after its harvest is rationing. It is also a type of sequential cropping. In this, more than one harvest is done from one sowing /planting. Thus, ratooning consists of allowing stubbles of the original crop after harvesting and to raise another crop.

Growing two or more crops simultaneously on the same piece of land.Crop intensification is in terms of both time and space dimensions. 

Main Crop/Base Crop:It is one which is planted at its optimum population in an intercrop situation and the second crop is planted in between the rows of main or base crop, with a view to obtain some extra intercrop yield without sacrificing the main or base crop yield.
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Intercrop:The short duration crop is raised in widely spaced crop for getting an additional income from the same piece of land.

Component Crop: It is used to refer either of the individual crops making the intercropping situation.

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2022-11-08 14:15:55 Causes of colour/bitterness in fruits/vegetables

Yellow colour in papaya due to : Caricaxanthin.

Redness of apple is due to : Anthocyanin.

Red colour in tomato is due to: Lycopine.

Red colour in chilli is due to: Capcyanthin.

Pungency in chilli is due to: Capsaicin.

Orange colour in carrot is due to: Carotene.

Red colour in carrot is due to: Anthocyanin

Yellow colour in turmeric is due to: Curcumin

Bitterness in cucumber is due to: Cucurbitacin.

Yellow colour of onion is due to : Quercetin

Red colour in onion is due to:
Anthocyanin.

Pungency in onion is due to:
Allyl propyl di-sulphide.

Pungency in raphanus is due to : Isocyanate.

Pungency in mustard is due to : Glucosilates.

Pungency in garlic is due to:
Di allyl di sulphide.

Green colour in potato tuber due to: Solanin.

Sour taste of gram leaves is due to: Malic/oxalic acid.

Pungency in pepper is due to
Oleoresin

Pungency in cabbage leaves due to: Sinigrin.


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