Fertilizer Requirements of Selected Vegetable Crops.

Crop	Generalized Requirement Range			Apply These Amounts When Soil Test is Very Low
	N	P	K	N	P	K
Green Bean	60-80	80-100	60-80	75	90	100
Pinto Bean	40-60	80-120	80-120	70	80	100
Beets	60-80	60-80	80-100	100	80	100
Cantaloupe	40-100	60-100	60-100	120	80	120
Carrot	30-80	60-100	60-100	100	80	100
Cauliflower	60-100	120-170	60-80	150	90	120
Swiss Chard	120	80-100	100-120	120	90	160
Collards & Kale	60-100	80-100	80-100	150	90	150
Cucumber	40-100	90-100	140-150	120	80	120
Eggplant	70-115	90-120	150-200	145	90	160
Lettuce	60-90	100-120	120-170	100	80	120
Mustard	60-90	80-120	120-170	100	80	120
Okra	60-80	60-80	120-170	80	70	90
Onion (Dry Bulb)	60-90	60-70	100-170	120	80	100
Onion (Green)	60-80	80-120	60-80	100	80	100
Pea (Southern)	20-60	50-100	40-120	60	50	40
Pea (English)	20-80	50-80	40-150	20	50	40
Pepper	30-80	50-80	80-120	160	80	150
Potato (Irish)	80-160	80-120	80-120	180	100	200
Potato (Sweet)	40-60	50-120	120-180	80	90	160
Pumpkin	60-80	80-100	110-140	120	80	140
Radish	40-60	50-80	70-120	90	50	100
Spinach	60-70	110-140	110-140	150	80	125
Squash (Summer)	60-70	65-140	110-140	100	65	120
Squash (Winter)	60-70	110-140	110-140	110	80	125
Sweet Corn	120	70-120	80-100	140	85	100
Tomato	60-80	60-70	110-140	150	80	150
Turnip (roots)	36-80	50-120	70-120	80	50	100
Turnip (tops)	36-80	80-120	70-120	80	50	100
Watermelon	40-90	40-60	40-60	120	75	130

Texas Cooperative Extension Recommendations