Nitrogen fertiliser trial database: a valuable resource. Climatic factors and first cut response to nitrogen application.

G.S. Rajendram, J. Waller, C. Cameron, R. Longhurst, J. Luo, A. Ghani and M. O’Connor. AgResearch, Ruakura Research Centre, East St, Private Bag 3123, Hamilton. Abstract Data from 1,272 nitrogen (N) fertiliser trials from around New Zealand over the last 80 years were collated onto an electronic database.  Data collected included nitrogen (N) fertiliser forms, …

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EFFECT OF RATE OF NITROGEN FERTILISER ON CATION AND ANION LEACHING UNDER INTENSIVELY GRAZED DAIRY PASTURE

G.S. Rajendram1, S.F. Ledgard1, R. Monaghan2, J.W. Penno3, M.S. Sprosen1 and L. Ouyang1 1AgResearch, Ruakura Research Centre, Private Bag 3123, Hamilton 2AgResearch, Invermay, PO Box 50034, Mosgiel 3Dairying Research Corporation, Private Bag 3123, Hamilton Abstract Losses of Ca, Mg, K, Na, nitrate-N, sulphate-S, Cl and inorganic P were determined in intensively grazed dairy pastures at …

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Hamilton-based Soil Scientist Dr Gordon Rajendram (PhD) launches his new website on Friday.

Looking for independent soil advice? Then look no further than New Zealand’s leading expert in soil fertility, soil scientist Gordon Rajendram (PhD) on his new website which will be launched on Friday. “This website has been a long time coming and I am excited to finally share it,” says  Soil Scientist Dr Gordon Rajendram. Gordon …

Hamilton-based Soil Scientist Dr Gordon Rajendram (PhD) launches his new website on Friday. Read More »

Discover what’s going on with your farm nutrients with Hamilton-based Soil Scientist Gordon Rajendram (PhD).

“While you might be feeding 10 stock units per hectare (su/ha) above ground, you need to feed the equivalent of 250 su/ha beneath it,” says Eurofins expert soil scientist, Hamilton based Dr Gordon Rajendram, talking about the multitudes of soil microbes essential to soil, plant and animal health. Rajendram said 13 elements were needed for …

Discover what’s going on with your farm nutrients with Hamilton-based Soil Scientist Gordon Rajendram (PhD). Read More »

Benefits of testing your soil with New Zealand’s leading expert in soil fertility, Hamilton-based Soil Scientist Dr Gordon Rajendram (PhD).

Defining the pH and fertility level through expert soil testing is the first vital part in planning a nutrient management program that works for you and your farm says New Zealand’s leading expert in soil fertility, Hamilton-based Soil Scientist Dr Gordon Rajendram (PhD). “Testing and sampling is the most crucial step in the process of …

Benefits of testing your soil with New Zealand’s leading expert in soil fertility, Hamilton-based Soil Scientist Dr Gordon Rajendram (PhD). Read More »