I want to know about the crops which prefer up taking nitrate or ammonium from the soil.
Good candidates for efficient nitrogen-fixing plants in a temperate climate are:
- ground cover: lupines, cowpea, fava bean, vetch, clover, alfalfa
- tall trees: black alder, black locust, empress tree.
- shrubs and short trees: Autumn olive, gumi, Siberian pea shrub, Russian olive, sea berry.
- Legume crops by nitrogen fixing bacteria
Rice crop being semiaquatic in its habitat, has adapted to absorb nitrogen as ammonium ion whereas all other crops which are not aquatic/semiaquatic have adapted to N absorption as nitrate nitrogen. This should not mean that the rice crop does not absorb nitrate nitrogen under given set of conditions where the process of nitrification occurs due to bacterial activity under aerated conditions.
All grass species (Fam. Poaceae), whether they are fodder, cover, or herbaceous crops are nitrogen loving crops.
Sajjad, please spend your scientific energies on biological fixation of nitrogen instead of worrying about N forms ammonium or nitrate for plant absorption. Explore different ways and means of enriching the soil with symbiotic associations between plant and N fixing bacteria. You would be saving farmers from additional economic burden due to application of chemical N fertilizers.
Why at all you need to know nitrate and ammonium loving crops. There are many but all depends upon climatic factors. In a nut shell the plant need N and it has tremendous capacity to absorv/utilize any form of N through various mechanism.
Mr Sajad Raja, put fourth your problem/question straight lookin to the utility
Nay be Mr. Sajjad needs the information for his research or guidance.
grass plants (grammineae) especially in the availability of water as rice , wheat , etc
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