SCREENING AND EVALUATION OF DROUGHT TOLERANT INDICES OF COLORED UPLAND COTTON (Gossypium hirsutum L.) IN GANSU An approach to the screening index for low nitrogen tolerant wheat genotype Phosphorous Uptakes and Uses of Different Soybean Varieties Preliminary evaluation on tolerance to phosphorous deficiency of 32 cultivars of cut chrysanthemum Aluminum-tolerant characteristics of different Chamaecrista genotypes.