Very interesting question.Role of PGPRs especially Azotobacter or Azospirillum alongside crop residues like paddy straw and vermicomposting of farm residues can collectively help us develop nitrogen-rich organic fertilizer..
Very interesting question.Role of PGPRs especially Azotobacter or Azospirillum alongside crop residues like paddy straw and vermicomposting of farm residues can collectively help us develop nitrogen-rich organic fertilizer..
Dear Waleed, For the nitrogen content for your citrus consider the intercropping with low lying legume cover. For instance under your conditions adaptable clovers or alfalfa would produce value forage for corraled animals while producing nitrogen for the citrus. If manures from the corrals were composted the compost would be excellent to give complete nutrition to the citrus grove. Legumes for optimizing nitrogen fixing will need to be supplemented with micronutrients and phosphorus depending on soil analysis.
Keeping entire concentration on nitrogen overlooking other nutrients like potassium is also not good for citrus since excess nitrogen will produce more vegetative flushes than generative ones and fruit size will be much smaller with greater number of fruits.So every fruit has it's own nutritional physiology...
Even vermicompost has nitrogen concentration 2.5-2.8% , provided feedstock material is animal dung..good point Paul..
Legumes can support several times the earthworm population as grass because of the improved nutrition. The proliferation of earthworms will depend on having sufficient Calcium and not too acid soil reaction. Legumes will provide ample nitrogen in excess of the need of the citrus requirement. The secret is using an adapted mixture on a soil balanced for the legume nutritional need.
Thanks for your answers,
I'm looking for new technique,
already we arrange nitrogen fertilizers from compost and animal manure.
Why dont you inoculate asymbiotic nitrogen fixers in the compost /animal manure, Waleed
Why dont you add organic materials with high nitrogen content as part of the component
Chilean nitrate is an organically certifiable nitrogen-rich fertilizer which would be especially useful for acid soil environment in vegetative growth stages. This fertilizer is highly soluble and can be applied in drip irrigation systems strategically. You may want to do soil and leaf tissue analysis and develop a nutrition plan. Another option for organic nitrogen provision is using inter-row cover cropping based on added legumes such as ornamental peanut. This would provide both nitrogen enrichment and weed control once it is established. Another tool for long-term fertility would be use strategically of manures for quick release and compost for long-term plant nutrition. A mixture of 1 part vermicast and 4 parts leaf compost would be able to give long term and short term complete nutrition which would include macronutrients NPK and secondary and minor nutrients. You may want to consider trying these practices and monitor how your orchards respond. Take care to read about the nutrient requirement of your citrus varieties and learn more about your soil and the resources you have locally to nourish your orchard.
Many practitioners add paddy husk into the composted material...
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