EFFECT OF SOME TREATMENTS ON PEA PRODUCTIVITY AND SOME SOIL PROPERTIES

In light of the comprehensive agricultural renaissance strategy that the Egyptian government seeks to it for achieving food security, improving the growth and productivity of the pea plants has become an essential matter for workers in the plant nutrition field. So, a field experiment was executed during two successive winter seasons (2020/2021 and 2021/2022) aiming to evaluate the influence of soil addition of both potassium sulphate (K2SO4, 48% K2O) at different rates [100,75 and 50% of potassium recommended dose (KRD)] as main plots and potassium humate (KH) as sub main plots [applied (at rate of 15.0 kg fed-1) or not] as well as foliar application of some stimulants as sub-sub main plots i.e., control (without foliar application), boron (B) as boron ethanolamine (10% B) at rate of 100 mg L-1, salicylic acid (SA) at rate of 100 mg L-1 and combined treatment of both B and SA at the same rates on the performance and productivity of pea plants as well as soil fertility. The findings illustrated that 100% of KRD was the superior treatment followed by 75 and 50%, respectively. Also, pea plants treated with potassium humate possessed the growth performance, yield and quality traits better than that grown without potassium humate. Concerning the exogenous applications, the superior treatment was the combined treatment of both B and SA, while the treatment of SA alone came in the second order followed by B treatment alone and lately the control treatment (without spraying). Generally, it can be concluded that the best growth performance, yield and quality traits were realized with pea plants fertilized with 100% of KRD in the presence of potassium humate as soil addition and simultaneously with B and SA as a combined foliar application. Also, all studied soil properties, except soil pH, differed due to all studied treatment.