Best Foliar Fertilizer For Cotton

In areas where you think the cotton is not severely stunted you may want to apply some foliar fertilizer to replace some leaching and de nitrification losses.

Best foliar fertilizer for cotton.

With foliar feeding you either love it or hate it. Below are some general guidelines and rules of thumb to follow as you use foliar fertilizer to help you finish the season. In most situations the best strategy to avoid k deficiency is to 1 soil test 2 apply the recommended k fertilizer at planting and 3 consider foliar feeding k during peak bloom. Effect of method and time of potassium application on cotton lint yield better crops vol.

Don t feed when. Can i apply foliar fertilizer by pivot. Preplant applications of k fertilizer and in some cases mid season foliar applications are effective in correcting deficiencies. I have received questions about a lot of different foliar fertilizers.

Currently there are a number of commercially available fertilizer additives that are designed to improve the uptake efficiency of p and k fertilizers. If you re managing 1 bale ac cotton the extra expense of foliar fertilization won t be worth it. And if the soil is saturated cotton will need to recover somewhat before it can effectively take up foliar applications. Supplement to a good soil applied program.

Response to foliar k is unlikely if soil test k is adequate or greater than 125 ppm k. Petiole testing is the best way to tell whether you need to foliar feed cotton. Those plants will not take up foliar fertilizer until they get some oxygen and start recovering. Foliar kno 3 applied at 5 to 7 day intervals resulted in significant yield increase over the untreated plots in 1995.

Not all nutrients feed well. Editor s note michael j. A valuable feature of petiole testing programs is that weekly sampling tracks nutrient level trends and allows the detection of deficiencies or excesses up to two weeks in advance. Mulvaney is a uf ifas cropping system specialist and glen harris is a uga soil specialist.

Low volume not pivots. Jennifer and i have been getting questions about foliar feeding cotton.