NCDEX has marked 4,540 tonne of soybean for staggered delivery in the July contract, which expire Thursday. The bourse has also marked 780 tonne of castor seed, 550 tonne of wheat, 415 tonne of guar gum, 310 tonne of mustard seed, 240 tonne of cottonseed oilcake, 171 tonne of jeera, 100 tonne of guar seed and 20 tonne of mustard oilcake for staggered delivery in the July contract. Staggered delivery is used to check any artificial rise in prices. Under this mechanism, sellers can indicate intention of delivery to the exchange during the tender period, currently a 10-day span before the contract expires.