Vol. 1 - Chap. 3 : Annidation & Allelopathy

After how many days of time lapse between the harvest of sunflower the next subsequent crop should cultivated ?

In which way sunflower can show allelo chemical activity?

Which of the following plant produce chemicals from their roots ?

When the toxic released by one species inhibit the plant of different species that is called as

When the toxic released by one species also harm itself and different species is called as

Cucumber produce allochemical from

When the toxic produced by a plant is activated by microorganisms which then show alleopathic activity it's called as

Consider this following two statement. A. Moong and maize has different peak of nutrient demand B. Moong and maize is an example of temporal annidation.

How much percentage of nitrogen is saved due to Legume effect ?

Which of the following statement is right ? A. Legumes have greater root cation exchange capacity than cereals. B. Cotton effect is suitable for the deep rooted subsequent crop.

To reduce Sorghum effect how much percentage of extra nitrogen is applied at the first time fertilizer dose ?

Which of the following cereal is exception because it shows rapid residue decomposition ?

Which of the following plant produce chemicals from the leaves ?