Oil palms require fertilizer every three months to maintain productivity but Russia’s war in Ukraine has threatened world supplies and driven up prices. This is particularly hurting Indonesia, the world’s largest supplier of palm oil. The imposition of export restrictions by Jakarta drove down the price of palm fruit at the same time fertilizer fell into short supply, driving up the price by 72 percent.  The palm plantation area and production output in Malaysia has generally been flatter than in Indonesia, where area has been expanding and output growing even faster due to the increased use of fertilizer. Fertilizer use in Indonesia grew by 18 percent over the past decade but was flat in Malaysia. As a result, Malaysia ha...