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Green grams
7 months ago

Green grams

Resource by Plusfarm

Green grams is an annual leguminous crop that is grown for its seeds. The crop is easy to cultivate and can grow up to a height of 30-120 cm producing pods. It’s an upright bushy plant that can grow to a height of 30-120cm. the color is usually green but can also be found in sheds of black and yellow. The pods are linear sometimes curved, round slender, and hairy. Green grams are a nutritious source of food with 25% protein content and can also be grown for hay, green manure, and cover crop. In Kitui county green grams are grown mainly for sale in local and export markets.


Varieties

Variety

Description

N26(Nylon)

Pods turn black when dry grains are shiny green in color flowers in 40-45

KS20(Uncle )

Pods turn brown when dry Grains are dull green in color Flowers in 60-65 days. Grains are bigger in size compared to N26.

 


Cultivation

Ecological requirements and Fertilization

Green grams are best grown at an altitude of 0-1600m above sea level well adapted to sandy loam and clayey soils at pH range of 5.5-7.5. They are drought tolerant with rain fall requirement range between 350- 700mm/annum. Heavy rain fall results to increased vegetative growth with reduced pod setting and development. Most parts of Kitui County are favorable for growing green grams.

Soil clods should be broken to medium tilth to create a soil structure that encourages seedlings emerge/germinate uniformly and rapidly. Green grams are planted at a rate of 4-6kgs/acre at a spacing of 45cm between rows and 15cm between the plants at a depth of 3-5cm.

Manure and fertilizer application Foliar feeds should be applied before flowering stage

 


Pests and Diseases / Commonly Used Agrochemicals

Pest/disease

Symptoms

Management

Thrips

Leaves have tiny holes surrounded by discolored areas

Match,karate, Duduthrin

 

Aphids

 

Attacked young leaves become twisted Excretion of honey dew leads to growth of sooty mould

Thiodan, Karate, actara.

Weevils

Bore holes on stored green grams 

Actellic super, skana super, sumi combi.

Pod borers

 

Bore into the pods and feed on the seeds They also cause damage to flower buds and flowers

Dimethoate

White flies

suck plant sap leading to retarded growth Attacked leaves become shrinked.

Actara,karate

Caterpillars

Leaves and pods are left with windows 

Bestox,karate

Foliage beetle

They feed on young plants leaves

Thiodan,karate

Powdery mildew

White patches appear on leaves and other green parts

Score,thiovit jet

Yellow mosaic virus

yellow patches appear on the new leaves of plants.These patches enlarge and coalesce and start to become necrotic and complete field appear yellow in color

Benomyl,copper oxychloride


Since, the white fly is the vector of this disease so this disease can also be controlled by using the spray of deltamethrin insecticid

Bacterial blight

Leaves become yellow and fall prematurely

 

Ridomil gold

Rust

It appears as circular reddish brown pustules

Score, ortiva

 


Post Harvest

Harvesting is done at the stage of growth in which the plant has completed its physiological development or when it has developed enough to provide a useful product to the farmer. Harvesting is generally done by hand-picking at weekly intervals. The legumes are harvested when the seed pod s are dry, shriveled and the seeds inside are hard. You can pick and dry individual pods or uproot the whole plant and dry it for about two days, then thresh and clean. Harvesting is the most expensive process in growing green grams. Threshing –can be done using either mechanical or manual methods, in mechanical u can use pulse thresher which makes work easier and faster, manually u can use beating stick. To avoid dirt and foreign materials spread on polythene paper. Winnow to separate grains from foreign materials.

Fumigate the store, let it be aerated, leak proof and avoid dampness. The grains should be dusted by use of any of the following chemicals; Actellic gold dust, Sumi combi and Skana super

 

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